NHTSA owner reports · September 18, 2026 snapshot.
Vehicle Speed Control complaints
40 reportsClear category filter114,897 miles · Nov 16, 2018
Vehicle Speed ControlCrash
MY 2005 HYUNDAI XG350 HAS EXPERIENCED SUA, (SUDDEN UNWANTED ACCELERATION) TWICE IN THE LAST 3 MONTHS. THIS IS A VERY SERIOUS AND DANGEROUS SAFETY PROBLEM THAT HAS BEEN REPORTED TO HYUNDAI MOTOR AMERICA AND THE NHTSA TOO MANY TIMES. TWICE, I PULLED INTO A PARKING SPOT AND WHILE APPLYING THE BRAKE, THE CAR ACCELERATED AND I WAS UN…
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MY 2005 HYUNDAI XG350 HAS EXPERIENCED SUA, (SUDDEN UNWANTED ACCELERATION) TWICE IN THE LAST 3 MONTHS. THIS IS A VERY SERIOUS AND DANGEROUS SAFETY PROBLEM THAT HAS BEEN REPORTED TO HYUNDAI MOTOR AMERICA AND THE NHTSA TOO MANY TIMES. TWICE, I PULLED INTO A PARKING SPOT AND WHILE APPLYING THE BRAKE, THE CAR ACCELERATED AND I WAS UNABLE TO STOP IT , EVEN WHEN I STEPPED ON THE BRAKE VERY HARD. I WONDER WHY, AFTER SO MANY COMPLAINTS TO HYUNDAI MOTOR AMERICA AND THE NHTSA, THAT THIS VERY DANGEROUS SAFETY ISSUE DIDN'T WARRANT A RECALL, SINCE THIS PROBLEM GOES BACK TO 2006.
NHTSA ODI #11152103
75,000 miles · Mar 31, 2015
Fuel/propulsion SystemService BrakesVehicle Speed ControlCrash
WHILE FOLLOWING A LINE OF CARS THROUGH A LOCAL CITY STREET MY CAR ACCELERATED COMING CLOSE TO THE CAR IN FRONT. I BRAKE, THE CAR DID NOT RESPOND. I USED ALL MY STRENGTH ON THE BRAKE PEDAL AND THE CAR RESPONDED BY GOING FASTER. TO AVOID A COLLISION, I SWERVED TO THE RIGHT INTO A CONVENIENCE STORE DRIVEWAY. HOWEVER, I HIT THE BU…
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WHILE FOLLOWING A LINE OF CARS THROUGH A LOCAL CITY STREET MY CAR ACCELERATED COMING CLOSE TO THE CAR IN FRONT. I BRAKE, THE CAR DID NOT RESPOND. I USED ALL MY STRENGTH ON THE BRAKE PEDAL AND THE CAR RESPONDED BY GOING FASTER. TO AVOID A COLLISION, I SWERVED TO THE RIGHT INTO A CONVENIENCE STORE DRIVEWAY. HOWEVER, I HIT THE BUMPER OF THE CAR IN FRONT OF ME AND THIS FINALLY STOPPED MY CAR. I READ ON A WEBSITE THAT THIS IS NOT AN UNCOMMON PROBLEM WITH THIS MODEL. WHY HAS THERE BEEN NO RECALL TO SOLVE THIS PROBLEM? *TR
NHTSA ODI #10702985
127,000 miles · Mar 3, 2015
Air BagsExterior LightingVehicle Speed Control
HELLO. I WAS SOLD A LEMON BY [XXX] OF AL'S MOTOR SALES LOCATED ON 1126 N. MONTELLO ST, BROCKTON, MA 02301.WHEN I WENT FOR INSPECTION I GOT A REJECTION STICKER BECAUSE THE CAR NEEDED A CATALYTIC CONVERTER, TIMING BELTS, AIRBAG LIGHT BEING ON, HEADLAMPS AND A BACKLIGHT, AND WOULD MYSTERIOUSLY ACCELERATE ON ITS OWN FOR NO REASON W…
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HELLO. I WAS SOLD A LEMON BY [XXX] OF AL'S MOTOR SALES LOCATED ON 1126 N. MONTELLO ST, BROCKTON, MA 02301.WHEN I WENT FOR INSPECTION I GOT A REJECTION STICKER BECAUSE THE CAR NEEDED A CATALYTIC CONVERTER, TIMING BELTS, AIRBAG LIGHT BEING ON, HEADLAMPS AND A BACKLIGHT, AND WOULD MYSTERIOUSLY ACCELERATE ON ITS OWN FOR NO REASON WITHOUT MY FOOT BEING ON THE GAS PEDAL! ONCE I RAN A VIN SCAN REALIZED THAT HE RECEIVED THE CAR LIKE THIS BUT NEVER DISCLOSED THAT TO ME. HE ALSO LEFT THE INFORMATION OF THE PREVIOUS OWNERS IN THE VEHICLE. RATHER, HE TURNED OFF THE O2 SENSOR LIGHTS AND LED ME TO BELIEVE THAT THE CAR COULD PASS INSPECTION. I TRADED MY 1998 INFINITI I30 FOR A 2005 HYUNDAI XG 350 SO THAT THE PRICE OF THE VEHICLE WOULD NO LONGER BE $3500 BUT $2400. WITHIN TWO WEEKS THE CHECK ENGINE LIGHT CAME ON. [XXX] HAS AVOIDED MY CALLS AND GOTTEN VERY VERBALLY AGGRESSIVE IN PERSON WHEN I SPEAK TO HIM ABOUT HIS ACTIONS. HE HAS AGREED TO REFUND MY MONEY, INFINITI, CAR KEYS, $2400.00 AND BRAND NEW BATTERY I PUT IN THE HYUNDAI, BUT KEEPS PUTTING OFF THE TIMES WE'RE TO MEET. I BELIEVE HE IS TRYING TO BLEED OUT HIS TIME WITH THE LEMON LAW SO THAT HE DOESN'T HAVE TO ADHERE TO THE REFUND. WHEN ASKED TO READ THE TERMS OF HIS OWN FEDERAL BUYERS GUIDE, HE COULDN'T! I WOULD LIKE HIS WHOLE OPERATION INVESTIGATED AS HE IS NOT BEING TRUTHFUL AND KNOWINGLY ROBS PEOPLE CONTINUALLY. HE HAS HAD MY VEHICLE FOR 3 WEEKS GOING ON 4 WEEKS. MY TRUST AND RIGHTS HAVE BEEN RAPED AND I WOULD LIKE JUSTICE. AS A SCHOOL TEACHER I NEED THIS CAR TO GET WORK AND INSTEAD, I TAKE PUBLIC TRANSPORTATION WHILE PAYING CAR INSURANCE. THIS DEALER IS ILLEGALLY SELLING VEHICLES THAT ARE COMPROMISING THE SAFETY OF OTHER MOTORISTS AND PEDESTRIANS. PLEASE INVESTIGATE THE MATTER BEFORE IT EVOLVES INTO A TRAGIC FATALITY. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10691959
21,000 miles · Oct 29, 2014
StructureVehicle Speed ControlCrash
I WAS ALMOST PARKED AT THE CURB IN FRONT OF A DRUGSTORE WITH MY FOOT ON BRAKE EASING INTO SPOT WHEN CAR LURCHED FORWARD, JUMPED THE CURB AND VIOLENTLY CRASHED INTO THE CONCRETE WALL ABOUT 6-7 FEET AWAY. WALL, NOT BRAKE, STOPPED CAR. PEOPLE CAME OUT FROM STORE AS CRASH WAS HEARD/FELT INSIDE. I DON'T KNOW WHAT WOULD HAVE HAPPE…
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I WAS ALMOST PARKED AT THE CURB IN FRONT OF A DRUGSTORE WITH MY FOOT ON BRAKE EASING INTO SPOT WHEN CAR LURCHED FORWARD, JUMPED THE CURB AND VIOLENTLY CRASHED INTO THE CONCRETE WALL ABOUT 6-7 FEET AWAY. WALL, NOT BRAKE, STOPPED CAR. PEOPLE CAME OUT FROM STORE AS CRASH WAS HEARD/FELT INSIDE. I DON'T KNOW WHAT WOULD HAVE HAPPENED TO ME IF I DIDN'T HAVE SEATBELT ON. AS IT WAS, MY CHEST WAS EXTREMELY SORE FOR SEVERAL WEEKS FROM SEATBELT. AIRBAG DIDN'T DEPLOY. CAR WAS TOTALED THANK GOD AS I WOULD NEVER DRIVE IT AGAIN. SO MANY COMPLAINTS WITH SAME ISSUE NO RECALLS OR SERVICE BULLETINS. HYUNDAI LINE IS CAN'T FIND ANYTHING WRONG WHEN CAR WAS CHECKED BY THEM AFTER ACCIDENT SO IT IS DRIVER ERROR. I'VE BEEN DRIVING FOR MANY YEARS AND NEVER HAD AN ACCIDENT AND STILL CONSIDER THAT I DIDN'T HAVE AN ACCIDENT BUT NOT SURE OF INSURANCE COMPANY'S STAND IF I BUY ANOTHER CAR, IF I CAN FIND A SAFE ONE AFTER ALL OF THE RECALLS. THIS SITUATION IS UNACCEPTABLE. *TR
NHTSA ODI #10651156
Mileage unknown · Mar 12, 2013
Air BagsVehicle Speed ControlCrash
2005 HYUNDAI XG350L. CONSUMER WRITES IN REGARDS TO VEHICLE SUDDEN ACCELERATION ACCIDENT. *SMD THE CONSUMER STATED AS SHE WAS PREPARING TO PARK IN AN ANGLE PARKING SPACE ALONG THE WEST SIDE, GROUND LEVEL, OF THE PARKING GARAGE, SHE PRESSED THE BRAKE PEDAL TO SLOW THE VEHICLE TO MAKE A RIGHT TURN INTO THE PARKING SPACE, IT SUDD…
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2005 HYUNDAI XG350L. CONSUMER WRITES IN REGARDS TO VEHICLE SUDDEN ACCELERATION ACCIDENT. *SMD THE CONSUMER STATED AS SHE WAS PREPARING TO PARK IN AN ANGLE PARKING SPACE ALONG THE WEST SIDE, GROUND LEVEL, OF THE PARKING GARAGE, SHE PRESSED THE BRAKE PEDAL TO SLOW THE VEHICLE TO MAKE A RIGHT TURN INTO THE PARKING SPACE, IT SUDDENLY ACCELERATED RESULTING IN A SEVERE COLLISION WITH THE CONCRETE WALL. AS THE VEHICLE ACCELERATE FORWARD, THE CONSUMER DEPRESSED THE BRAKE PEDAL AS HARD AS SHE COULD. ALSO, THE AIR BAG DID NOT DEPLOY IN THE ACCIDENT. THE VEHICLE WAS DECLARED TOTALED.
NHTSA ODI #10502944
62,600 miles · Feb 27, 2011
Vehicle Speed Control
I PURCHASED THIS 2005 XG350 IN 2007 WITH 11,600 MILES AND UNDER WARRANTY AND TODAY'S MILEAGE IS 62,600 MILES. WHEN STARTING VEHICLE TODAY HUSBAND STATED CAR SEEMED TO BE RUNNING A LITTLE ROUGH AND I SAID IT HAS BEEN LIKE THAT SINCE WE PUT THE NEW BATTERY IN DECEMBER 2010. WE DROVE 30 MILES AT AVERAGE OF 55-60 MPH WITH LITTLE ST…
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I PURCHASED THIS 2005 XG350 IN 2007 WITH 11,600 MILES AND UNDER WARRANTY AND TODAY'S MILEAGE IS 62,600 MILES. WHEN STARTING VEHICLE TODAY HUSBAND STATED CAR SEEMED TO BE RUNNING A LITTLE ROUGH AND I SAID IT HAS BEEN LIKE THAT SINCE WE PUT THE NEW BATTERY IN DECEMBER 2010. WE DROVE 30 MILES AT AVERAGE OF 55-60 MPH WITH LITTLE STARTING OR STOPPING. AFTER TURNING INTO THE PARKING LOT WE HAD TO DRIVE ABOUT 200 FEET TO PARK. HE TOOK HIS FOOT OFF THE ACCELERATOR AND THEN STEPPED ON THE BRAKE TO STOP. THE ENGINE PROGRESSED TO 6500 RPM'S AND COULDN'T SHIFT TRANSMISSION OUT OF DRIVE, HAD BOTH FEET ON BRAKE AND THEN SMOKE STARTED COMING OUT OF HOOD. WHEN HE FELT LIKE THE BRAKES WASN'T GOING TO STOP IT HE THEN TURNED OFF THE KEY AND FRONT WHEELS CONTINUED TO ADVANCE FORWARD AND TRIED TO CLIMB THE SIDEWALK AND EVENTUALLY SHUT DOWN. AFTERWARDS HE STATED HE FELT THE ACCELERATOR PEDAL ACTUALLY MOVE UNDER HIS FOOT AND THEN TOOK HIS FOOT OFF AND PUT BOTH FEET ON THE BRAKES. WE WERE EXTREMELY SHAKENED BY THIS EVENT AND FEARFUL FOR THE RETURN DRIVE FOR OUR SAFETY AND OTHERS WE MAY ENCOUNTER. WE RETURNED HOME SAFELY WITHOUT FURTHER INCIDENT BUT VERY CONCERNED FOR OUR SAFETY IN FUTURE. THIS HAD NEVER HAPPENED BEFORE. HOWEVER I DID REPORT TWICE TO DEALERSHIP ABOUT DECELERATION PROBLEMS. OVER THE PAST 3 YEARS AFTER STARTING VEHICLE, IT HAD NO POWER TO ACCELERATE INTO TRAFFIC. FIRST TIME COULD TURN OFF CAR AND WAIT A FEW MINUTES AND THEN RESTART AND WOULD RUN FINE. SECOND TIME DROVE 1/2 MILE AND TURNED OFF CAR. WHEN RESTARTING THERE WASN'T ANY ACCELERATION POWER OVER 10 MPH HAD TO PULL OVER TURN OFF CAR 3 OR 4 TIMES BEFORE IT RAN FINE. THE 3RD TIME HAD TO TURN OFF CAR 3-4 TIMES TO GET IT TO RUN CORRECTLY. DEALERSHIP DID TAKE OUT BATTERY TO RESET THE COMPUTER TO CORRECT PROBLEM HOWEVER NOW I'M HAVING THE ACCELERATION PROBLEM THAT IS VERY SCARY. CALLED THE DEALERSHIP TO REPORT BUT IT WAS SATURDAY AFTERNOON AND THEY CLOSED AT 1PM. WILL CONTACT DEALER FOR FURTHER EXPLANATION, IF ANY. *TR
NHTSA ODI #10384634
1,500 miles · Feb 14, 2011
Vehicle Speed ControlCrash
TL*THE CONTACT OWNS A 2005 HYUNDAI XG350. THE CONTACT STATED THAT THE VEHICLE ATTEMPTED TO SURGE FORWARD WHILE IT WAS STOPPED WITH HIS FOOT ON THE BRAKE PEDAL. THE CONTACT APPLIED HEAVY PRESSURE TO THE BRAKE PEDAL TO KEEP THE VEHICLE STOPPED. THE FAILURE OCCURRED FOUR TIMES. ONE OF THE FAILURES RESULTED IN A CRASH. A POLICE REPO…
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TL*THE CONTACT OWNS A 2005 HYUNDAI XG350. THE CONTACT STATED THAT THE VEHICLE ATTEMPTED TO SURGE FORWARD WHILE IT WAS STOPPED WITH HIS FOOT ON THE BRAKE PEDAL. THE CONTACT APPLIED HEAVY PRESSURE TO THE BRAKE PEDAL TO KEEP THE VEHICLE STOPPED. THE FAILURE OCCURRED FOUR TIMES. ONE OF THE FAILURES RESULTED IN A CRASH. A POLICE REPORT WAS NOT FILED AND NO INJURIES WERE REPORTED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER ONCE WHERE THEY WERE UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 1,500 AND THE CURRENT MILEAGE WAS 44,000.
NHTSA ODI #10382617
90,000 miles · Jul 26, 2010
Vehicle Speed Control
ON THREE OCCASIONS OVER ABOUT 4-5 MONTH PERIOD ENDING JULY 2010 I EXPERIENCED SUDDEN UNINTENDED ACCELERATION WITH MY 2005 HYUNDAI XGL350. THE FIRST 2 TIMES I WAS STOPPED AT A RED LIGHT AND THE CAR STARTED TO ACCELERATE UNEXPECTEDLY. I ALREADY HAD THE BRAKE DEPRESSED FOR THE TRAFFIC STOP AND HAD TO PRESS THE BRAKE AS HARD AS POSS…
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ON THREE OCCASIONS OVER ABOUT 4-5 MONTH PERIOD ENDING JULY 2010 I EXPERIENCED SUDDEN UNINTENDED ACCELERATION WITH MY 2005 HYUNDAI XGL350. THE FIRST 2 TIMES I WAS STOPPED AT A RED LIGHT AND THE CAR STARTED TO ACCELERATE UNEXPECTEDLY. I ALREADY HAD THE BRAKE DEPRESSED FOR THE TRAFFIC STOP AND HAD TO PRESS THE BRAKE AS HARD AS POSSIBLE TO PREVENT THE CAR FROM TAKING OFF. THE UNEXPECTED ACCELERATION SURGE LASTED ABOUT 5 SECONDS THEN ENDED. THE CAR DID MOVE FORWARD BUT IN BOTH CASES I DID NOT HAVE ANY INJURIES OR DAMAGES. I DID NOT TAKE THE CAR IN FOR SERVICE AFTER EITHER OF THESE INCIDENTS. THE THIRD INCIDENT HAPPENED ON JULY 25, 2010 IN NORFOLK, VA. I WAS PARKING BETWEEN TWO CARS IN A RESTAURANT PARKING LOT. THE PARKING SPACE FACED A CURB WHICH BOARDED SOME FLORAL LANDSCAPING. WITH MY FOOT ON THE BRAKE AT ALL TIMES I VERY SLOWLY PULLED IN AND STARTED BRINGING THE CAR TO A STOP THE CAR ABOUT 3 - 4 FEET FROM THE CURB. BEFORE THE CAR CAME TO A STOP IT BEGAN TO UNEXPECTEDLY REV UP AND ACCELERATE FORWARD. I PRESSED ON THE BRAKE AS HARD AS POSSIBLE BUT THE CAR'S FRONT WHEELS MANAGE TO CLIMB OVER THE CURB AND MOVE THE FRONT OF THE CAR INTO BUSHES BEFORE THE ACCELERATION ENDED AND I WAS ABLE TO REGAIN CONTROL OF THE CAR. I PUT THE CAR IN REVERSE AND BACKED DOWN OVER THE CURB. ON THAT SAME DAY I DROVE THE CAR FOR ABOUT 12 HOURS RETURNING FROM VIRGINIA TO NEW YORK AND DID NOT EXPERIENCE ANY UNEXPECTED ACCELERATION PROBLEMS. I PLAN TO BRING THE CAR INTO THE HYUNDAI SERVICE ON JULY 27, 2010 TO INVESTIGATE AND HOPEFULLY FIX THE PROBLEM. *TR
NHTSA ODI #10345289
Mileage unknown · May 4, 2010
Vehicle Speed ControlCrash
2005 HYUNDAI XG350L - INTERMITTENTLY WHEN DEPRESSING THE ACCELERATOR PEDAL, VEHICLE WILL NOT RESPOND AND AFTER A FEW SECONDS WILL SURGE FORWARD. THIS OCCURRED WHEN PULLING INTO PARKING LOT AND UPON REMOVING FOOT FROM THE GAS PEDAL, THE VEHICLE SURGED FORWARD. THE VEHICLE JUMPED A 10" CURB AND TOOK OUT A SUPPORT COLUMN. THE …
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2005 HYUNDAI XG350L - INTERMITTENTLY WHEN DEPRESSING THE ACCELERATOR PEDAL, VEHICLE WILL NOT RESPOND AND AFTER A FEW SECONDS WILL SURGE FORWARD. THIS OCCURRED WHEN PULLING INTO PARKING LOT AND UPON REMOVING FOOT FROM THE GAS PEDAL, THE VEHICLE SURGED FORWARD. THE VEHICLE JUMPED A 10" CURB AND TOOK OUT A SUPPORT COLUMN. THE VEHICLE THEN HIT THE FRONT OF THE BUILDING. *TR
NHTSA ODI #10328828
35,000 miles · Feb 24, 2010
Fuel System, GasolineVehicle Speed Control
FAILS TO ACCELERATE WHEN PEDAL IS DEPRESSED. THEN AFTER 1 TO 3 SECONDS IT ACCELERATES LIKE A JACK RABBIT BECAUSE THE PEDAL IS DEPRESSED TOO FAR. *TR
NHTSA ODI #10313526