Hyundai Sonata in Washington, United States Jan 2010 - Jun 2011
Feb 2010 32000 mi	A buzzing heard in the background while the radio/cd player was on.

Hyundai Sonata in New Jersey, United States Aug 2010 - Jun 2022
Jun 2012 41000 mi	Check engine light came on, second o2 sensor on cat. converter failed, replaced under warrantee
Oct 2012 42000 mi US $200	Had to replace sticking caliper on rear brakes. Hyundai refused to accept that this car has a casting defect causing brake pads to overheat, and cooking the caliper.Love the Sonata, will never buy from Hyundai Corp. again. They hide defects.
Sep 2015 52000 mi US $300	REPLACED LEFT REAR CALIPER AND FRONT AND REAR ROTORS AND PADS.
Mar 2016 54000 mi US $35	BRAKE CALIPER ON REAR PASSENGER FROZE AND BURNED PADS. RETURNED CALIPER TO AUTOZONE AND RECEIVED A REPLACEMENT UNDER WARRANTEE. IT WAS IN CAR FOR 3 1/2 YEARS. BOUGHT NEW PADS FOR REAR SINCE PASS. SIDE WAS DESTROYED. ROTOR WAS OK.
Oct 2016 54000 mi US $460	Audio amplifier failed on front speakers. Hyundai wanted $650 for replacement. Replaced with Rockford Fosgate 5 ch. amp and new subwoofer. Had to do complete rewire.
Jan 2019 59000 mi US $22	Driver's side running/fog light burned out.Replaced both with halogens
Jun 2021 60000 mi US $20	REGULATOR ON DRIVERS SIDE HAD CABLE FRAY AND JAM PULLYS. DISASSEMBLED DOOR AND REPLACED WITH PART FROM AUTOZONE. LATCH ON CENTER CONSOLE BROKE AND WAS REPLACED WITH OEM FROM EBAY
Apr 2022 61000 mi US $240	REPLACED ROTORS, CALIPERS AND PADS ON REAR, REPLACED ROTORS AND PADS ON FRONT

Hyundai Sonata in Massachusetts, United States Mar 2010 - Dec 2015
Apr 2010 19000 mi	Replace a/c/heater blower motor assembly Fuel line leak; replaced fuel pipe
Oct 2011 31000 mi US $200	battery
Jan 2013 49700 mi	Actuator replaced (buzzing noise when temperature/mode switches activated).
Oct 2014 60200 mi US $600	battery

Hyundai Sonata in Oklahoma, United States Sep 2009 - Mar 2010
Nov 2009 14000 mi	Driver window will not roll down.

Hyundai Sonata in New York, United States Aug 2009 - Jan 2022
Dec 2009 5000 mi	Car pulls left at Highway speeds. Sun Roof Visor - not closing correctly. Stereo with occasional bad static even when playing CDs.
Feb 2011 25000 mi	Bad CD Player
Sep 2011 33000 mi	CD's Stuck in Stereo
Sep 2018 125000 mi US $600	Left front wheel bearing making a noise. Required Replacment

Hyundai Sonata in Illinois, United States May 2009 - Feb 2012
Nov 2009 20000 mi US $100	Driver seat's bottom cushion started deforming at 10k miles. I had it replaced at 20k miles. Rest was tire rotation + oil change + 21 point checkup.
Apr 2010 32800 mi US $84	REPLACEMENT OF TRANSMISSION FLUID.
Dec 2010 59000 mi US $60	Rear suspension bushings were replaced. Originals failed at 50K miles and produced noises.

Hyundai Sonata in West Virginia, United States Aug 2009 - Dec 2011
Aug 2011 19243 mi	fin on trunk was lose had to replace replaced weather trim on drivers door and air spoiler on trunk

Hyundai Sonata in California, United States Jul 2010 - Sep 2018
Aug 2010 27000 mi US $112	A month ago check engine light began to intermittently come on, the vehicle would occasionally lose power. We had the engine light checked and was told it was the TPS sensor. Warranty covered the TPS replacement-$112 for throtle body clean
Aug 2012 72000 mi US $14	Brake light switch needed to be replaced. I received a check engine light, checked the error code and found the brake light switch needed to be replaced. Picked up a new one from dealer for $14 and replaced it.
Jul 2014 99000 mi US $400	I replaced the rear brake rotors, pads and hub/bearing assembly for both rear wheels. Bearings seemed to be starting to "hum" at highway speeds and pads/rotors were worn, so I replaced them.

Hyundai Sonata in Minnesota, United States Jul 2010 - Dec 2014
Apr 2012 53500 mi US $189	Loose lower ball joint Small oil pan leak
Nov 2012 61700 mi US $75	The battery would not hold a charge if the radio was on, or head lights for even 10 without the car running. It was replaced at Sams' Club

Hyundai Sonata in Missouri, United States Jul 2014 - Apr 2017
Aug 2015 59700 mi	Check engine light comes on,goes out,4 times in past month engine light has come on,motor goes to idle and throttle does not respond. Have to pull off road,turn off,then it will restart. Dealer not able to diagnosis,says no code in history
Sep 2015 61000 mi US $300	Different dealer, where originally purchased. Replace faulty throttle body adjustment switch. Since out of warranty had to pay for replacement.
Oct 2015 61300 mi	Same problem as before, check eng. light on, engine goes to idle, no throttle response.

Hyundai Sonata in Ontario, Canada Jan 2015 - Jun 2022
Aug 2016 70680 mi C $50	A/C vent on passenger side would only blow hot air
Apr 2022 78740 mi C $200	Flex pipe in exaust system replaced Repair frozen handbrake Replace ball joint

Hyundai Sonata in New York, United States Feb 2017 - Jul 2018
Jun 2017 188450 mi US $200	I've been getting very poor mileage. The shop checked the ECU(?) and found nothing. They changed the spark plugs and I'm waiting to see if there's any improvement after driving at least a half tank of gas.
Jul 2018 89000 mi US $1200	Bank 1 cat converter

Hyundai Sonata in Georgia, United States May 2013 - Jul 2014
Nov 2013 96400 mi	Paint flaking off

Hyundai Sonata in Alberta, Canada Feb 2015 - Feb 2021
Apr 2017 118420 mi C $80	Spark Plug replacement.
Sep 2017 124000 mi C $250	Front Rotor and Pad replacement
Jun 2018 134540 mi C $50	Replaced both sets of low-beam bulbs.

Hyundai Sonata in Illinois, United States Oct 2010 - Dec 2018
Jun 2011 48000 mi US $135	I got my air conditioning recharged at Jiffy Lube.
Aug 2012 76300 mi US $325	I needed the throttle sensor replaced and the software reprogrammed.
Dec 2013 106000 mi	2 Hyundai Sonata recalls: 1) replace sensor that caused stability control light to come on unncessarily 2) put rust-proof treatment on rear axle Needed new battery
Nov 2014 120000 mi US $225	My (middle of the car) upper armrest storage bin latch was broken. I had the latch replaced so I could close my armrest.
Sep 2016 155000 mi US $550	Needed new alternator
Jun 2017 170000 mi US $1150	New rear bushings New front brakes and aftermarket rotors
Nov 2017 179000 mi US $318	New tires
Feb 2018 185000 mi US $170	Had new rear brake pads installed
May 2018 186000 mi US $900	Solenoid and arm for transmission
Dec 2018 199000 mi US $300	Needed a new power window switch for driver’s window.

Hyundai Sonata in Texas, United States Feb 2011 - Dec 2011
Mar 2011 63000 mi	The car had a issue with idling cold with no codes, The dealer reflashed the computer and sent us away. It helped for a while. 3 weeks later the car went into limp mode with codes and a new idle sensor was ordered after a tow to the dealer The idle sensor was replaced and successfully fixed the problem.

Hyundai Sonata in New York, United States Dec 2008 - Aug 2009
Aug 2008 3800 mi	Faulty Navigation unit. National back order on the item.
Oct 2008 4968 mi	Navigation unit installed by Dealer for repair of faulty unit.
Dec 2008 5528 mi	Navigation unit faulty again. Dealer replaced with one from Stock. Dealer inspected complaints of Suspension noise. No problem found.
Jan 2009 6312 mi	Faulty Nav unit once again. The 5th unit replaced in 7 months over ownership! This last failure was not the Ipod interface; it was a connection error for xm Radio. Navigation unit faulty again. Dealer replaced. Also had dealer inspect for Burning Rubber smell through air vents.- Nothing found. Surprise!
Apr 2009 8000 mi	Another faulty Nav unit. This makes number 5! Dealer claims that the OEM manufacturer knows there is an issue. Hyundai is working with them to send a new unit. Nav unit #6 replaced. Dealer claims unit functions perfectly now. This was a new unit directly from the Manufacturer instead of a Refurbished unit as the previous 5.
May 2009 7300 mi	The 7th nav unit was installed and did function for the 72 hours I owned the car before trading it in. I will certainly NOT be buying another Hyundai vehicle ever again.
Aug 2009 3800 mi	Faulty Navigation unit. National back order on the item.

Hyundai Sonata in Florida, United States Oct 2009 - May 2018
Nov 2010 18700 mi	FM radio reception degraded when rear window defroster was turned on. Dealer replaced rear window under warranty.
Mar 2014 49000 mi	intermittent 'limp-home' mode and intermittent 'check engine' light. Dealer replaced the throttle body assembly (warranty).

Hyundai Sonata in Texas, United States May 2008 - Oct 2013
Feb 2009 13000 mi	Car went into "limp" mode; check engine light and "ESC off" lights came on. Dealer replaced throttle body.
Nov 2009 30000 mi	The car surged then went into "limp mode" coasting to a stop. After restarting it was driveable but the check engine light stayed on. Dealer replaced throttle position sensor and "updated the computer" under warranty.
Nov 2010 43000 mi US $420	Grinding noise in left rear wheel was fixed when brake caliper was replaced.
Mar 2012 60000 mi US $286	Broken passenger side sun visor. Broken trunk strut.

Hyundai Sonata in Louisiana, United States Jul 2008 - Jun 2018
Dec 2012 26000 mi	Trunk lid struts replaced.
Oct 2016 65000 mi	Fuel door release switch does not function Have not repaired yet
Jan 2017 67000 mi	Pass window switch does not return when pressed, has not been repaired but must be manually pulled up, it still works

Hyundai Sonata in Ohio, United States Apr 2008 - Dec 2017
Apr 2010 15000 mi	There was a short in the external thermometer caused by water getting into it.
Apr 2011 27000 mi	Rattle in door during low notes from speaker
Mar 2014 58000 mi US $190	Rear brakes were seized. Front pads replaced as well.
Sep 2015 70000 mi US $400	Dealer reported a head gasket leak. Repeat problem with brakes. Told nothing is wrong. Bled line with no success.
Nov 2016 77500 mi	Dealer reported head gasket was leaking Replaced a bad battery

Hyundai Sonata in Pennsylvania, United States Aug 2008 - Jun 2011
Nov 2008 1000 mi	Needed to apply a TCM software update to solve a problem with abrupt shifts from 1st to 2nd and 2nd to 3rd gears.

Hyundai Sonata in New Jersey, United States May 2008 - Sep 2013
Apr 2009 25000 mi	TPMS ECM wouldn't recognize wheel sensors.
Oct 2009 37000 mi	TPMS warning light would not go out. Tire sensor was defective and replaced.
Jan 2013 117000 mi	Voice command and nav audio stopped working. Dealer wanted $2,100 to fix. Declined to repair.
Sep 2013 125000 mi	Driver window motor getting weak - can't close window sometimes

Hyundai Sonata in Minnesota, United States Aug 2008 - Jun 2013
Jun 2011 43000 mi US $250	AC not cooling. Evacuated and refilled system with freon and dye

Hyundai Sonata in Pennsylvania, United States Jan 2011 - Aug 2013
Apr 2013 47700 mi	Strut replaced under warranty

Hyundai Sonata in Missouri, United States Jul 2008 - Jul 2018
Jun 2012 40000 mi US $130	The brake calipers were sticking and not releasing causing intermittent squealing when driving. The brake pads had to be replaced to correct the problem.
Mar 2013 47000 mi US $85	The sun visor hinge broke and the whole assembly had to be replaced
Dec 2013 54000 mi	Had to replace a switch causing multiple problems in the electrical system due to a recal.
Feb 2015 68000 mi US $90	There was an issue with a hard downshift. Not sure if it was the adaptive driving feature or firmware. The adaptive driving was reset and new firmware was applied per a TSB. I had to pay diagnostic fee, but not repair cost.
May 2018 107000 mi US $2000	Continued problems with a hard downshift. Dealer determined the transmission needed to be replaced. Since it was just barely out of warranty Hyundai split the cost of the replacement and provided a rebuilt transmission and I paid for the labor to install it.

Hyundai Sonata in Arizona, United States Feb 2011 - Feb 2013
Feb 2013 87000 mi US $80	Gas tank door not opening from switch

Hyundai Sonata in Ohio, United States Feb 2011 - Jul 2011
Mar 2011 28000 mi US $1	transmission shift down to 1st gear real hard...dealer hooked the car up and did a software update ...took 30 min. and everything is ok

Hyundai Sonata in Illinois, United States Dec 2014 - Dec 2015
Dec 2014 48000 mi US $500	Starter went out

Hyundai Sonata in Texas, United States Jul 2008 - Sep 2012
Dec 2010 47000 mi	Fuel backed up when filling even less than a gallon. El Paso Hyundai replaced a sensor near the fill line. Some relief but still premature click off at the fuel nozzle. Lakeland FL worked with factory.Obstruction in fuel line (webs) Dealer noticed an update to tranny computer had not been done
May 2011 54200 mi	Putting fuel into tank still causes multiple click-offs of nozzle. BUT, it does not give an error code. I have been videoing my fillups; only happens some of the time.
Sep 2011 60000 mi	Unable to add fuel. Hose would click off within adding a gallon of fuel.

Hyundai Sonata in Florida, United States Oct 2010 - Dec 2011
Sep 2011 56000 mi US $400	Factory radio quit working, replaced with aftermarket radio.

Hyundai Sonata in Illinois, United States Sep 2010 - Jun 2018
Mar 2012 28000 mi US $350	Headlight lense needed replacing due to moisture seepeage. Rear tail light was replaced because it was burned out.
Jul 2013 41500 mi US $182	Battery died. Replaced.
Mar 2014 51000 mi US $750	Alternator was not fully charging battery. Car had to be jumped to start. Alternator and serpentine belt replaced.
Apr 2014 51500 mi	Car would not start and had to be towed. Starter needed replacement plastic engagement "fork." Part was replaced under warranty. Problem is mentioned in TSB.
Jun 2014 54000 mi	Passenger side front wheel bearing failed. Replaced under warranty.
Dec 2014 59000 mi US $600	Replace rear brakes, including rotors, pads and malfunctioning caliper on driver's side.
Sep 2015 67000 mi US $250	Replace broken center arm rest cover

Hyundai Sonata in Florida, United States Oct 2010 - Dec 2011
Nov 2010 49000 mi	power seat track replaced Trunk release button on door panel did not work, replaced button.

Hyundai Sonata in Ohio, United States Jul 2015 - Apr 2018
Jun 2017 181000 mi US $300	The Starter wouldn’t turn the engine

Hyundai Sonata in Indiana, United States Dec 2010 - Dec 2011
Jan 2011 53700 mi US $45	Oil leak from timing chain cover. Replaced seal. Factory steel wheels had rusted, Hyundai refused to pay to refinish, as car had over 36k miles on it. Dealer just sanded surface rust off, charged 45 dollars.

Hyundai Sonata in Oklahoma, United States Nov 2016 - Dec 2017
Dec 2017 152000 mi US $108	Oil leak, valve cover gasket replaced. Possible oil leaks in other areas as well.

Hyundai Sonata in South Carolina, United States Nov 2011 - Dec 2015
Jan 2012 US $155	reset computer, flushed transmission fluid

Hyundai Sonata in Tennessee, United States Dec 2015 - Dec 2015
Dec 2015 84000 mi US $150	Transmission was shifting very hard from 4th to 3rd. Had to have the transmission control computer reset and updated to newest firmware. Not covered by warranty.

Hyundai Sonata in New York, United States Oct 2014 - Oct 2017
Mar 2015 123000 mi US $225	Front struts and rear shocks
Aug 2015 125300 mi US $48	Upper a frame right front
Oct 2015 126200 mi US $250	changed upper control arms
Feb 2016 137000 mi US $35	Evaporated vent valve ng
Aug 2017 155000 mi US $25	Replaced left upper control arm
Oct 2017 155000 mi	Engine light on code is trans or lock up converter not working

Hyundai Sonata in New York, United States - Jun 2009
Jun 2009 9150 mi	Same issue, dealer had car for 18days, ended up having to replace the transmission. Took parts from stock car to verify it was not computers.

Hyundai Sonata in Oklahoma, United States Mar 2008 - Jun 2011
Jan 2010 33217 mi	Transmission jerks when downshifting while slowing down. Started doing it during a recent trip and when i checked, there was no oil. I refilled. Problem returned after 2 day. Dealer couldn't identify and told me to bring it back when it happens regularly.
Feb 2010 34000 mi US $486	Problem with transmission downshifting while slowing down. When cold, the transmission gives a big jolt when downshifting. As the car heats up the problem disappears. Did the 30k service which included tranny service but problem remains.
Nov 2010 54500 mi	While Cold, the transmission would jerk while downshifting. Problem went away after engine/trans heated up. Dealer reset the computer and problem is gone. TSB out from manufacturer. No Cost to me.

Hyundai Sonata in Ontario, Canada Jul 2014 - Jan 2018
Apr 2017 94860 mi C $300	Break pads and roters

Hyundai Sonata in New York, United States Dec 2013 - Sep 2015
Jan 2014 US $600	Dealer repair service stated that the serpentine belt was cracking and should be replaced. I questioned because mileage was low but they maintained that 5 years is life cycle for such a belt. I asked to save the used one and give it to me.

Hyundai Sonata in Maryland, United States Jun 2013 - Jun 2018
Jun 2014 37000 mi US $120	Replace condenser Replaced Liftomatics in trunk
Feb 2018 79000 mi US $150	replace emission sensor on gasoline intake replace front brakes

Hyundai Sonata in Pennsylvania, United States Jun 2008 - Sep 2011
Jan 2010 7700 mi	Odometer display cluster developed a crack. Dealer has ordered a replacement to be replaced under factory warranty.
Feb 2010 5900 mi	dealer replaced odometer cluster under warranty. Rear brake calipers froze and wore out pads. Dealer turned rotors and replaced pads per TSB. Problem is caused by winter salt corrosion causing calipers to stick/freeze. Hyundai is aware of problem.

Hyundai Sonata in Ontario, Canada Jun 2009 - Jun 2022
Nov 2009 6200 mi C $30	Fuel smell under the hood and inside when the car is stopped at the red light. Could smell it around the car after shutting engine off. 3 visits to the dealer (Richmond Hill Hyundai) said no problem, washed the engine, problem persists Fuel smell narrowed down to between ports 2 and 3. Pulled the intake - the groove for the intake gasket on port 3 is warped, gasket doesn't seal, thus a minor fuel leak. Replaced gasket, problem still persists. Pulled the intake again, applied Permatex gas-resistant high-temp silicone around the gasket. Fuel smell is almost gone, at acceptable level now - cannot smell it inside or outside. Ideally need to replace the intake - an $800 part.
May 2012 17860 mi	Hard(er) shifts. Acceptable, would not call them a problem, but not as smooth as when new. Drain and fill ATF with original SPIII ATF, shift quality noticeably improved. Required about 3.6L of ATF.

Hyundai Sonata in Virginia, United States Dec 2011 - Feb 2022
Jan 2012 88000 mi	vehicle stalled twice (once three days ago after fueling and then again last night while driving on I-95). Dealer found no error codes and could not find any issues with idling or starting. it was FINALLY discovered that the vehicle's fuel pump was faulty. It was replaced and another Hyundai dealership took very good care of me ( and my new car USED car)
Nov 2012 119900 mi US $100	A faulty sensor was found thanks to my check engine light. Not sure what the name of it was

Hyundai Sonata in Nevada, United States Nov 2011 - Sep 2012
Mar 2012 29000 mi	Hard downshift from 3rd to 2cnd when the car was cold. A software update was applied. This took care of the problem.

Hyundai Sonata in Alabama, United States Jul 2012 - Sep 2018
Aug 2012 82000 mi	gas mpg dropped by 15+ per cent in last 4 months. cleaned fuel injection system.
May 2013 101000 mi US $5	Key frequently sticks in the ignition and will not turn. Multiple inquiries have produced various possible solutions. O manual says to turn steering wheel and key simultaneously. Locksmith says to clean with Ballistol. Not happy.
Sep 2013 108000 mi US $450	Check engine light came on reportedly due to lack of airtight integrity in fuel delivery system - replaced gas cap. Dealer expressed concern about risk of fumes in the cockpit. Excessive costs for "diagnostics" $75+ - considering work done
Mar 2015 118000 mi	Replacement of malfunctioning starter.
Jul 2015 118000 mi US $730	Replace clogged fuel pump. Parts special ordered from Hyundai, with repairs delayed by 2 consecutive errors in special order fulfillment.
Nov 2016 139500 mi	oil pressure light flashed on for several seconds ; mechanic said:rn(1) dx computer old codes re possible issues with fuel injector in #4 cylinderrn(2) will need to use Lucas Oil Treatment w/ oil chg due to signs of engine inefficiency
May 2017 143000 mi US $121	Tire Pressure Management System. Unfortunately, the OBC failed to automatically reset; will need to take car to dealer for flash reset.
Aug 2018 155000 mi US $350	OBDC. Check engine light came on. Oxygen sensor and another sensor replaced. Check engine light came on again later that same day. Not interested in pouring more money into that sinkhole because I view the OBDC as more of an endless cash generator for mechanics than a useful tool for true diagnostics and repair. Car runs fine - just need to ignore the check engine light. I am thinking about sticking a small piece of black electrical tape over the "warning" light!!

Hyundai Sonata in California, United States Jun 2011 - Nov 2018
Dec 2015 72000 mi	TPMS light on. Reset attempted but it came back on.
Jan 2018 93000 mi	Reset program to eliminate clunk when shifting 1st to 2nd.

Hyundai Sonata in Texas, United States May 2010 - Jul 2018
Aug 2013 36000 mi	Starter died. Replaced.
Jan 2015 43800 mi US $600	Transmission was jumping when downshifting. Had to pay for a reprogramming of the latest firmware for the transmission computer as well as a transmission flush.

Hyundai Sonata in Florida, United States Apr 2009 - Aug 2015
Mar 2012 33000 mi	Car was downshifting into 3rd roughly. The dealer reset the computer values to the default.
Nov 2012 38400 mi	Passenger exterior door handle broke.
Mar 2013 42000 mi	Latch on armrest compartment broke.

Hyundai Sonata in Michigan, United States Mar 2009 - Apr 2017
Feb 2010 13000 mi	The right rear brake hung up and needed de-rusting, lubricating and cleaning up.
Dec 2013 68000 mi US $109	We had a "clunking" noise which was alarming, and took the car in to the dealer. They could not locate anything loose. Finally, they found ice impacted up in the top of the coil spring tower (right rear), cleared it. It's fine.
Aug 2014 70600 mi US $450	Left rear caliper hanging up, had to be replaced
Jun 2015 78000 mi	The right rear caliper locked up, nearly burning the car to the ground. I flatbedded it to dealer. Hyundai's dealer claim it is "wear item" to have caliper seize. Despite ongoing issue, I paid $400 they paid nothing zip nada. Subaru next.
Aug 2015 79000 mi US $850	After an accident (hitting a fox) and $3000 of body repairs and a/c condenser replacement, a/c went out. Hyundai dealer said not related, not our fault. Took to trusted independent dealer. New a/c compressor was installed.
May 2016 85100 mi US $750	Having had many issues over the past few years, I gave the dealer one more chance to repair the sticking rear brakes and when all was said and done, their warrantee was of no use and I ended paying to have the entire brake system redone

Hyundai Sonata in Virginia, United States Nov 2008 - Jun 2019
Sep 2013 55000 mi US $86	Replaced driver's side sunvisor. The sunvisor would no longer stay in any position and drooped.
Dec 2013 59000 mi US $120	Replaced left rear caliper and pads on both sides AGAIN due to piston seizure which had caused the pads to be worn down on the left side. This is the second time the rear brakes have locked up on this car and is apparently a known issue.
May 2015 78000 mi US $635	Starter replaced due to known issue with cracked fork. There is a TSB for this issue but Hyundai declined to cover it due to mileage.
Jun 2016 88000 mi US $150	Accessory drive belt idler started squealing. Replaced idlers (2), tensioner, and belt.
Dec 2016 100000 mi US $105	Battery failed to hold a charge overnight after accidental discharge and jump start.

Hyundai Sonata in Manitoba, Canada May 2009 - Jun 2022
Jun 2011 24800 mi	Brake pedal spongy.... did not have original breaking effect anymore. Master cylinder was replaced and this cured the problem
Sep 2011 28520 mi C $50	corrosion found on rear calipers, cleaned sliders and lubricated them... brakes now work as they should.
Jun 2013 42780 mi C $180	Right rear suspension link and stabilizer bar bushings required replacement as the rear suspension had become noisy.
Aug 2013 44020 mi C $50	Replaced opposite side suspension link due to noises.
Nov 2013 46080 mi	Starter failed.
Mar 2014 47120 mi C $80	noise in rear suspension, cause was worn bushing.
May 2014 48360 mi C $100	Swaybar bushings replaced, one was warrantied from a previous repair. These are not OEM parts, but they have lifetime replacement warranties.
May 2018 72540 mi C $100	1 rear caliper frozen/coroded requiring replacement. All other calipers cleaned and lubricated Ignition/key switch would not turn. It was resolved by removing the key cylinder and sending it out to a locksmith who apparently only found it dirty, so it was cleaned and re-installed. It works fine after the repair.
May 2022 86800 mi C $150	Parking brake stopped working, brake lever had zero resistance and no effect on braking. The parking brake caliper had broken and fallen off the car. Rear pads had also worn to the point of ruining the disks on both sides, disks, pads and one caliper replaced.

Hyundai Sonata in Texas, United States Jul 2009 - Sep 2017
Sep 2012 52000 mi	Drivers side sun visor won't stay in place. Dealer replaced under warranty. "Electronic Stability Control Off" warning light on the dashboard came on, would not reset until engine was turned off. There is a TSB released concerning the brake light switch causing this. Dealer replaced the switch under warranty.
Sep 2014 87000 mi US $65	Drivers side window stop functioning. Window regulator cable broke. Owner did the repair using after-market parts (window regulator).
Sep 2015 102000 mi US $120	Transmission had developed a hard downshift to 1st gear when transmission was cold. There was a TSB concerning the problem - dealer did the required computer update.
Mar 2017 123000 mi US $90	Replace front and rear pads for the first time, still had 25k of wear left on them. Used Hundai replacement parts.

Hyundai Sonata in Newfoundland / Lab., Canada Jun 2009 - Oct 2013
Jun 2010 11780 mi	Knocking in right front suspension. Owner suspect faulty strut. Dealer identified and replaced improperly installed sway bar bushing. Problem unchanged.
Aug 2010 19220 mi	Returned vehicle for regular maint 30200 km. Dealer says replaced worn left lower ball joint. Knocking is on passenger (opposite) side. I still suspect top left strut mount bushing/bearing. Ball joint replaced under Manf. Warranty.
Apr 2011 25420 mi	During regular service tech found worn front drivers side strut bushing.Replaced under warranty at 41700km.Original knocking on right front side still exists.Service Tech says these cars have loose type suspension and normal to knock.
Dec 2011 33480 mi	Replaced left rear door latch assy, warranty

Hyundai Sonata in California, United States Apr 2009 - May 2018
Jun 2013 53000 mi	Emissions leak from dirty fuel tank air filter
Dec 2015 99000 mi US $200	Camber bolt needed upgrade to adjustable kit to fix alignment. No accidents in car.
Sep 2016 115000 mi	Replaced starter.

Hyundai Sonata in Virginia, United States Apr 2009 - Oct 2021
Sep 2015 63000 mi US $500	Starter had to be replaced.

Hyundai Sonata in New York, United States Nov 2008 - Aug 2015
Oct 2010 16000 mi US $120	Brake maintenance, lube of brake pistons as recommended in in forums for Northern vehicles. A loud "boing" sound from right rear brake when starting from a stop. Returned and the brake assembly was lubricated and noise was eliminated
Nov 2010 16640 mi	Tuning knob worked occasionally, no solution so new radio ordered.  Tunning knob worked randomly on the radio, dealer replaced the unit. Also, they installed upgrades to control modules.
Feb 2011 18000 mi	Drivers side mirror trim had begun to separate, which would allow water to eventually enter this space. Dealership agreed it might be a potential problem, ordered and installed a new mirror assembly.
Aug 2013 40000 mi US $290	grinding noise from rear wheel, caliper was not releasing replaced rotors, pads and the caliper
May 2014 46000 mi US $550	Ignition cylinder would not function-- steering wheel locked. New key cylinder installed.  Also the starter would not function consistantly, it woo was replaced.

Hyundai Sonata in Wisconsin, United States Dec 2008 - Jan 2022
Oct 2012 104300 mi US $200	software upgrade to stop transmission from jerking when coming to a stop

Hyundai Sonata in Virginia, United States Dec 2008 - Mar 2010
Jan 2009 134 mi	The light on driver's side door would not go off. They had to replace the electrical harness inside the door. Part had to be ordered. The serpentine belt was defective and began separating. The dealer replaced the belt.  Serpentine belt was defective

Hyundai Sonata in Alberta, Canada Feb 2009 - May 2013
Jun 2010 6200 mi	No cold air from AC, refilled must return to check for leaks. Dealer says should not need refill so soon, I agree. Likely will be no charge.
Nov 2010 7320 mi	Leaking timing chain cover discovered doing routine oil change
Aug 2011 11160 mi	ac coolant leaking out hoses ordered but not arrived

Hyundai Sonata in Ohio, United States Nov 2009 - Jun 2018
Jul 2017 165000 mi US $350	Replaced left-rear brake caliper and pads for the third time. Note, the right-rear rotor has been replaced twice. Driver door window switch failed, replaced the driver door window switch module.

Hyundai Sonata in Pennsylvania, United States Jul 2009 - Dec 2015
Dec 2015 98000 mi	The lid for the dash console cubby hole cover got stuck. The plastic frame around the light switch in the ceiling cracked. The latch broke that holds the center armrest console cubby closed. These all broke after 5 years of ownership.

Hyundai Sonata in Nevada, United States Jul 2009 - Feb 2020
Aug 2014 21000 mi	Recall for "ESC" light on intermittently.

Hyundai Sonata in Illinois, United States Mar 2016 - Sep 2018
Jul 2017 93000 mi US $700	Torque clutch converter solenoid replacement
Apr 2018 96000 mi US $300	Serpentine belt and Idler pulley

Hyundai Sonata in Pennsylvania, United States Aug 2008 - Jun 2011
Oct 2008 8000 mi	Auto Transmission was repaired in early October. It shuddered and vibrated at between 40-60 miles/h. TCM was updated but didn't resolve the issue but improved shifting quality. Made another appointment to check it up at the end of October.
Nov 2008 8000 mi	The problem only occurred when the engine was cold or parked for a long time. I could not replicate the problem and when I explained them what was going on, they said they couldn't fix it unless they see the problem.
Jan 2009 15000 mi	The plastic cover under the center console of the passenger side started coming off in early November of 2008 and got worse as time went by.Dealer kept saying it would order a part, but I haven't received any service. The plastic cover under the center console on the passenger side came off. Addressed to dealer in Oct 2008. Dealer forgot to order a part, got the wrong part, forgot again, did a quick fix by pushing it back but happened again and again.
Mar 2009 15000 mi	The service manager said he repaired by replacing the clip that snaps plastic cover. It seemed OK when I picked up the car, but the crack occurred again after a few days.
May 2009 18000 mi	Center console fixed.
Jun 2009 19000 mi	Addressed transmission problem via e-mail and the dealer was willing to take a look at it again. In addition to that, the part for the center console arrived.
Jul 2009 20000 mi	I'm still having an issue with my transmission but the dealer didn't see any problem. I dropped off my car for 2 days in July, but the dealer said there was no problem which I'm still experiencing.

Hyundai Sonata in Missouri, United States Mar 2008 - Jun 2022
Sep 2016 102000 mi	Passenger side sun visor no longer stays in the full up position. and Driver side window switch sticks at times.

Hyundai Sonata in Washington, United States Jan 2010 - Jun 2018
Apr 2015 60000 mi US $450	Car would not start, replaced starter and fixed problem.

Hyundai Sonata in New York, United States Mar 2009 - Jun 2013
Dec 2011 48000 mi US $360	New caliper due to sticking rear brakes also wore out pads, poor

Hyundai Sonata in Texas, United States Jan 2010 - Dec 2017
Aug 2012 20900 mi	Driver's exterior door handle broke off when attempting to open car door normally.

Hyundai Sonata in Illinois, United States Nov 2017 - Mar 2018
Nov 2017 85000 mi US $349	The idler pulley, belt tensioner and the serpentine belt had to be replaced.
Mar 2018 87000 mi US $41	Replaced the spark plugs to eliminate rough idling.

Hyundai Sonata in California, United States Oct 2009 - Jul 2016
Aug 2011 63000 mi	Difficult to put gas in tank. Nozzles would keep shutting off. Told debris in filler neck. Repair attempt unsuccessful. Makes getting gas time consuming
Sep 2014 107000 mi US $35	Ignition switch was failing. Starter would stick in start position. Easy repair, $35 dealer part.
Jun 2015 115000 mi US $60	Power Steering pump solenoid (internal) failed causing loss of power steering above 2000rpm.
Dec 2015 116000 mi US $35	Driver side window switch failed. Would intermittently not work. $35 on ebay, about 1.5 hrs to replace myself. Easy.

Hyundai Sonata in Massachusetts, United States Aug 2009 - Apr 2017
Dec 2011 17000 mi	Harsh 4-3 downshift. Dealer reflashed transmission computer.
Sep 2015 45000 mi US $750	Drivers power window motor and regulator replaced.

Hyundai Sonata in Wisconsin, United States Jun 2017 - Jul 2022
May 2018 134000 mi US $400	One set of brakes replaced Car didn’t start all of a sudden after parked in rainstorm - wire in starter had to be replaced. Many repeated problems with car not starting after rainstorms,
Sep 2021 181000 mi US $400	Driver door handle spring failed and broke.
Oct 2021 183000 mi US $600	Alternator
Jun 2022 194000 mi US $450	Replace wheel due to pothole damage Wheel damage due to pothole

Hyundai Sonata in New York, United States Oct 2009 - Jun 2015
Oct 2010 50000 mi	Hard downshift on stopping. Reprogrammed chip for transmission. Perfect fix. No further problems.
Jan 2011 57800 mi	Replaced under warranty remote audio control switch on steering wheel. Radio still cuts off on its own if you touch this switch. Problem still in radio itself. Works okay if you don't touch switch. Will ignore to avoid $800 repair cost.

Hyundai Sonata in Virginia, United States Sep 2008 - Sep 2018
Dec 2015 99000 mi US $100	Starter went bad and replaced under warranty.
Jan 2018 131000 mi US $200	original front brake pads replaced

Hyundai Sonata in Pennsylvania, United States Nov 2014 - Apr 2017
Aug 2016 97000 mi US $350	Timing chain jumped 3 teeth and blew motor under warranty.

Hyundai Sonata in New York, United States Aug 2008 - Dec 2008
Sep 2008 1000 mi	5 days were a continuation of 27 days in Aug. at the dealership for repair of electrical problems first manifested by the shift lock mechanism. Modules, solenoids, brake light switches, main fuse box, and main wiring harness replaced.
Oct 2008 1200 mi	New car, in shop for 32 days with 285 miles. Electrical problems first manifested by trans. shift lock not releasing. Modules, brake switches, main fuse box, and main wiring harness replaced. Proceeding with Lemon Law procedures as the car is not "NEW

Hyundai Sonata in Indiana, United States Jan 2010 - May 2013
Jun 2010 24000 mi	Cruise Control-replace clutch and brake switch
Sep 2010 28000 mi	Clutch would not return back down to floor; after restart it worked and dealer could not replicate.
Oct 2012 55700 mi US $110	Dead battery (less than 4 years!)
Apr 2013 62000 mi	Airbag light on; system flashed to reset. Said that it was caused by low battery (?).
May 2013 62000 mi US $200	Starter-very early for starter failure-warranty ended at 60k, 62k on car. Tow truck able to get car started. Starter was $550; Hyundai paid $350, I paid $200; not real happy about it-am planning to complain to Hyundai.

Hyundai Sonata in Pennsylvania, United States Feb 2009 - Aug 2011
Mar 2009 1000 mi	Clunking noise over bumps.

Hyundai Sonata in Pennsylvania, United States Nov 2008 - Mar 2010
Dec 2008 1000 mi	Passenger side crackle sound at the windshield / dash interface over bumps. Shoved some soft foam into the crevice to give some dampening. Problem solved with amazing success. Will need to get it fixed properly under warranty in the future.

Hyundai Sonata in Connecticut, United States Aug 2008 - Mar 2010
May 2008 7305 mi	Check engine light, stalling, skipping, codes P0300 to P0304. Dealer kept it for over a week and replaced the Oxgen sensor. Dealer could not explain why it happened, They stated, "I hope this does it."
Sep 2008 13000 mi	The clutch pedal would grab high, low, then stay enguaged, then a popping noise and the clutch pedal went to the floor with fluid coming out of the transmission.  I had the car for 13 miles and the same condition came back, stopped working on my home street, had the service manager come out and confirm, and needed to be towed again.  Replaced some valve (Service advisor said they didn't know what it was) in the clutch system and replaced the slave cylinder again. At this point it was irrelevant,the car is unreliable. Hyundai and dealer refuse to work on the car anymore, I'm Stuck.
Oct 2008 13460 mi	Blown Clutch Again. replaced Slace Cyl,and reservior tube.

Hyundai Sonata in Georgia, United States Oct 2009 - Jun 2015
May 2015 59000 mi	Clutch and Clutch Slave Cylinder
Jun 2015 59000 mi US $350	Camshaft position sensor

Hyundai Sonata in Georgia, United States Oct 2010 - Apr 2012
Nov 2010 18000 mi	Weak clutch, required pumping pedal. Slave cyl rebuilt.

Hyundai Sonata in Illinois, United States Nov 2011 - Dec 2011
Dec 2011 45000 mi	Fuel pump went out. Fuel pump relay was bad.

Hyundai Sonata in California, United States Oct 2010 - Feb 2015
Mar 2011 29000 mi	Broken weld on exhaust pipe assembly - also damaged muffler
Apr 2011 29103 mi	Tailpipe and muffler replaced under warranty - follow-up to earlier trip when problem was diagnosed and parts ordered. Tailpipe and muffler replaced under warranty - follow-up to earlier trip when problem was diagnosed and parts ordered.
Apr 2014 48160 mi US $1317	Clutch, pressure plate & throwout bearing replaced. Flywheel refaced. Dealer says lining just wore out. I purchased the car as certified pre-owned with 25K on the odometer and the clutch never felt quite right and has a much different feel now. Clutch, pressure plate & throwout bearing replaced. Flywheel refaced.
Dec 2014 55000 mi	Transmission fluid leak from transaxle joint seal. Seal was replaced under warranty from earlier clutch repair performed by dealer.
Jan 2015 52268 mi US $255	Replaced front crank seal and resealed oil pan. Replaced front crank seal and resealed oil pan.

Hyundai Sonata in Oklahoma, United States Jun 2009 - Jun 2011
Jul 2009 8000 mi	clutch falls to floor on a soft foot. clutch pressure not spec. Dealer ordered new part. Same problem. Soft foot makes clutch fall to floor without pressure to pop up.