Problems · by component

2005 Hyundai XG 350 vehicle speed control problems

40 owner complaints to NHTSA about the 2005 Hyundai XG 350 cite vehicle speed control, 28% of all 144 complaints for this model year.

Complaints
40
28% of all complaints
Crashes
9
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the vehicle speed control

Verbatim from NHTSA complaints, newest first
“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.”
Owner complaint to NHTSAFiled Nov 16, 2018Vehicle speed controlCrash reportedODI 11152103
“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”
Owner complaint to NHTSAFiled Mar 31, 2015Vehicle speed control, Service brakes, Fuel/propulsion systemCrash reportedODI 10702985
“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…”
Owner complaint to NHTSAFiled Mar 3, 2015Exterior lighting, Air bags, Vehicle speed controlODI 10691959
“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”
Owner complaint to NHTSAFiled Oct 29, 2014Structure, Vehicle speed controlCrash reportedODI 10651156
“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.”
Owner complaint to NHTSAFiled Mar 12, 2013Air bags, Vehicle speed controlCrash reportedODI 10502944
“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…”
Owner complaint to NHTSAFiled Feb 27, 2011Vehicle speed controlODI 10384634

Showing 6 of 40 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026NHTSA vehicle page

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Other 2005 XG 350 problem areas