NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
144 reports26,350 miles · Jul 18, 2007
Vehicle Speed Control
PURCHASED XG350 IN DECEMBER 2005 ON TWO OCCASIONS WHEN FIRST LEAVING THE DRIVEWAY NOTICED THAT WHEN PRESSING THE ACCELERATOR THE CAR DID NOT RESPOND. AFTER RELEASING AND TRYING A COUPLE MORE TIMES THE CAR THEN LURCHED FORWARD. THAT WAS SHORTLY AFTER THE PURCHASE. NOW HAVE A LITTLE OVER 26,000 MILES ON SEVERAL OCCASIONS W…
Read full complaint
PURCHASED XG350 IN DECEMBER 2005 ON TWO OCCASIONS WHEN FIRST LEAVING THE DRIVEWAY NOTICED THAT WHEN PRESSING THE ACCELERATOR THE CAR DID NOT RESPOND. AFTER RELEASING AND TRYING A COUPLE MORE TIMES THE CAR THEN LURCHED FORWARD. THAT WAS SHORTLY AFTER THE PURCHASE. NOW HAVE A LITTLE OVER 26,000 MILES ON SEVERAL OCCASIONS WHEN PRESSING THE ACCELERATOR THE CAR SEEMED TO SURGE FORWARD FOR THE AMOUNT OF PRESSURE. ON JULY 16, 2007 LEFT THE DRIVEWAY AND THE CAR WOULD NOT RESPOND TO PRESSURE. KEPT TRYING FOR ABOUT 1/2 MILE PRESSING AND RELEASING AND JUST AS I WAS GOING TO TURN AROUND THE CAR SURGED FORWARD AND DROVE FINE FOR THE LAST TWO DAYS. I WILL BE TAKING IT TO A HYUNDAI REPAIR SERVICE DEPARTMENT SOON AS THIS COULD BE VERY DANGEROUS IF PULLING INTO OR DRIVING IN HEAVE TRAFFIC. *AK
NHTSA ODI #10196736
Mileage unknown · Jun 12, 2007
Vehicle Speed Control
ON TWO SEPARATE OCCURANCES MY 05 HYUNDAI XG350, WHEN IN CITY TRAFFIC AT APPROX 35MPH, FAILED TO DROP ENGINE RPM WHEN THE BRAKES WERE APPLIED DURING A TRAFFIC LIGHT STOP. TO STOP THE CAR, I HAD TO SHIFT THE CAR TO NEUTRAL. THE ENGINE RACED THEN IMMEDIATELY DROPED TO AN IDLE. THIS EASILY COULD HAVE RESULTED IN AN INCIDENT HAD I NO…
Read full complaint
ON TWO SEPARATE OCCURANCES MY 05 HYUNDAI XG350, WHEN IN CITY TRAFFIC AT APPROX 35MPH, FAILED TO DROP ENGINE RPM WHEN THE BRAKES WERE APPLIED DURING A TRAFFIC LIGHT STOP. TO STOP THE CAR, I HAD TO SHIFT THE CAR TO NEUTRAL. THE ENGINE RACED THEN IMMEDIATELY DROPED TO AN IDLE. THIS EASILY COULD HAVE RESULTED IN AN INCIDENT HAD I NOT SHIFTED TO NEUTRAL. LOCAL DEALER ADVISED THAT ALL WAS OK - NO PROBLEMS!
NHTSA ODI #10193080
34,620 miles · Mar 3, 2007
Vehicle Speed ControlCrash
SPEED CONTROL - ACCELERATION. ON 10 OCCASIONS SINCE 03/05 THE ACCELERATOR PEDAL CAN BE DEPRESSED, NOTHING HAPPENS, AND THEN THE VEHICLE TAKES OFF. YESTERDAY WAS THE LAST STRAW - BACKING UP AND IT DID IT. WHEN IT DID TAKE OFF WITH ACCELERATOR DEPRESSED ABOUT HALF WAY, IT TOOK OFF AND EVEN THOUGH I WAS READY FOR IT TO DO THAT I C…
Read full complaint
SPEED CONTROL - ACCELERATION. ON 10 OCCASIONS SINCE 03/05 THE ACCELERATOR PEDAL CAN BE DEPRESSED, NOTHING HAPPENS, AND THEN THE VEHICLE TAKES OFF. YESTERDAY WAS THE LAST STRAW - BACKING UP AND IT DID IT. WHEN IT DID TAKE OFF WITH ACCELERATOR DEPRESSED ABOUT HALF WAY, IT TOOK OFF AND EVEN THOUGH I WAS READY FOR IT TO DO THAT I COULDN'T GET IT STOPPED QUICK ENOUGH AND IT HIT A POLE. IT TORE REAR BUMPER. I HAVE HAD IT TO DEALER 4 TIMES AND THEY KEPT CAR FOR 5 DAYS AND COULD NOT DUPLICATE THE PROBLEM. TOLD US UNTIL THEY CAN GET IT TO DO IT WHILE THEY HAD IT - THERE ISN'T ANYTHING THEY CAN DO. SO FAR WHEN IT HAS HAPPENED PULLING OUT INTO TRAFFIC WE WERE ABLE TO AVOID GETTING HIT. CANNOT UNDERSTAND WHY NHTSA HASN'T ADDRESSED THIS PROBLEM. PERHAPS BECAUSE NO DOCUMENTED DEATHS HAVE OCCURRED.....*JB
NHTSA ODI #10184099
Mileage unknown · Feb 3, 2007
Vehicle Speed Control
CAR ACCELERATES/LURCHES FORWARD WHEN IDLE OR STARTING TO DRIVE FROM A STANDSTILL. THIS HAPPENS INTERMITTENTLY AND MY WIFE HAS TAKEN IT TO THE DEALER TWICE FOR THIS. THE DEALER STATES THEY CANNOT FIND ANYTHING WRONG. WELL, BY READING THE COMPLAINTS ON THIS SITE ABOUT THE SAME PROBLEM MY WIFE IS EXPERIENCING, THERE IS A PROBLEM,…
Read full complaint
CAR ACCELERATES/LURCHES FORWARD WHEN IDLE OR STARTING TO DRIVE FROM A STANDSTILL. THIS HAPPENS INTERMITTENTLY AND MY WIFE HAS TAKEN IT TO THE DEALER TWICE FOR THIS. THE DEALER STATES THEY CANNOT FIND ANYTHING WRONG. WELL, BY READING THE COMPLAINTS ON THIS SITE ABOUT THE SAME PROBLEM MY WIFE IS EXPERIENCING, THERE IS A PROBLEM, AND A SERIOUS ONE. *JB
NHTSA ODI #10181469
22,000 miles · Jan 30, 2007
Power TrainVehicle Speed Control
TL* - THE CONTACT OWNS A 2005 HYUNDAI XG 350. WHEN ACCELERATING THE VEHICLE WOULD NOT RESPOND; THE CONTACT COULD FEEL THE GEARS SHIFT AND THE VEHICLE MOVING SLOWLY. THE DEALER STATED THEY WERE UNABLE TO DIAGNOSE THE FAILURE. THE CONTACT CALLED THE MANUFACTURER AND WAS UNABLE TO GET A RESPONSE. *AK UPDATED 03/19/07.…
Read full complaint
TL* - THE CONTACT OWNS A 2005 HYUNDAI XG 350. WHEN ACCELERATING THE VEHICLE WOULD NOT RESPOND; THE CONTACT COULD FEEL THE GEARS SHIFT AND THE VEHICLE MOVING SLOWLY. THE DEALER STATED THEY WERE UNABLE TO DIAGNOSE THE FAILURE. THE CONTACT CALLED THE MANUFACTURER AND WAS UNABLE TO GET A RESPONSE. *AK UPDATED 03/19/07. *JB
NHTSA ODI #10181159
30,000 miles · Jan 12, 2007
Air Bags
I HAVE A 2005 HYUNDAI XG350. THE AIR BAG LIGHT SUDDENLY CAME ON IN THE CAR. I BROUGHT THE CAR TO THE DEALER. THE DEALER EXPLAINED THAT A PLUG BENEATH THE SEAT CAME OUT. ALTHOUGH IT COULD HAVE BEEN CAUSED BY SOMETHING GETTING CAUGHT UNDER THE SEAT, THERE WAS NO EVIDENCE OF THAT. THE DEALER EXPLAINED THAT HE HAS SEEN THIS MAN…
Read full complaint
I HAVE A 2005 HYUNDAI XG350. THE AIR BAG LIGHT SUDDENLY CAME ON IN THE CAR. I BROUGHT THE CAR TO THE DEALER. THE DEALER EXPLAINED THAT A PLUG BENEATH THE SEAT CAME OUT. ALTHOUGH IT COULD HAVE BEEN CAUSED BY SOMETHING GETTING CAUGHT UNDER THE SEAT, THERE WAS NO EVIDENCE OF THAT. THE DEALER EXPLAINED THAT HE HAS SEEN THIS MANY TIMES AND HAS ATTEMPTED TO FILE A CLAIM WITH HYUNDAI BUT IT HAS ALWAYS BEEN TURNED DOWN. I FEEL THAT THIS IS A SAFETY ISSUE AND IF IT IS HAPPENING MANY TIMES AS THE DEALER DESCRIBED IT IS OBVIOUSLY A DEFECT IN THE DESIGN. *JB
NHTSA ODI #10178506
16,000 miles · Dec 22, 2006
Electrical System
TL* - THE CONTACT STATES THAT WHILE DRIVING HE CAN'T READ THE TEMPERATURE GAUGE OR FAN SPEED LOCATED UNDER THE RADIO ON THE DASHBOARD. THE CONTACT ONLY EXPERIENCES THIS PROBLEM DURING THE DAY HE DOES NOT EXPERIENCE IT AT ALL AT NIGHT. THE MANUFACTURER STATED THAT THEY COULDN'T DO ANYTHING ABOUT IT, THAT IS THE VEHICLE'S DESI…
Read full complaint
TL* - THE CONTACT STATES THAT WHILE DRIVING HE CAN'T READ THE TEMPERATURE GAUGE OR FAN SPEED LOCATED UNDER THE RADIO ON THE DASHBOARD. THE CONTACT ONLY EXPERIENCES THIS PROBLEM DURING THE DAY HE DOES NOT EXPERIENCE IT AT ALL AT NIGHT. THE MANUFACTURER STATED THAT THEY COULDN'T DO ANYTHING ABOUT IT, THAT IS THE VEHICLE'S DESIGN.
NHTSA ODI #10176816
1,900 miles · Dec 20, 2006
Power Train
TL* - THE CONTACT STATED THAT NO MATTER HOW FAR DOWN SHE PUSHES THE ACCELERATOR HER VEHICLE WILL NOT GO OVER 15 -20 MPH. THE CONTACT STATED THAT SHE HAS CONTACTED THE DEALER APPROXIMATELY 6 TIMES AND SHE WAS TOLD THAT THEY CANNOT DO ANYTHING UNTIL THE CHECK ENGINE LIGHT COMES ON. THE CONTACT SAYS THAT THE PROBLEM OCCURS OCCAS…
Read full complaint
TL* - THE CONTACT STATED THAT NO MATTER HOW FAR DOWN SHE PUSHES THE ACCELERATOR HER VEHICLE WILL NOT GO OVER 15 -20 MPH. THE CONTACT STATED THAT SHE HAS CONTACTED THE DEALER APPROXIMATELY 6 TIMES AND SHE WAS TOLD THAT THEY CANNOT DO ANYTHING UNTIL THE CHECK ENGINE LIGHT COMES ON. THE CONTACT SAYS THAT THE PROBLEM OCCURS OCCASIONALLY AND SHE DOES NOT KNOW WHEN IT WILL HAPPEN.
NHTSA ODI #10176664
36,274 miles · Dec 4, 2006
Air Bags
DT*: THE CONTACT STATED A COUPLE OF WEEKS AFTER THE VEHICLE WAS PURCHASED, THE AIR BAG LIGHT ILLUMINATED. IT WAS TAKEN TO THE DEALER FOR REPAIRS HOWEVER, THE PROBLEM PERSISTED. THE VEHICLE WAS TAKEN BACK TO THE DEALER FOR REPAIRS BUT, AFTER THE REPAIRS THE AIR BAG LIGHT ILLUMINATED IMMEDIATELY. THE VEHICLE WAS TAKEN BACK TO T…
Read full complaint
DT*: THE CONTACT STATED A COUPLE OF WEEKS AFTER THE VEHICLE WAS PURCHASED, THE AIR BAG LIGHT ILLUMINATED. IT WAS TAKEN TO THE DEALER FOR REPAIRS HOWEVER, THE PROBLEM PERSISTED. THE VEHICLE WAS TAKEN BACK TO THE DEALER FOR REPAIRS BUT, AFTER THE REPAIRS THE AIR BAG LIGHT ILLUMINATED IMMEDIATELY. THE VEHICLE WAS TAKEN BACK TO THE DEALER ON OCTOBER 16, 2006 WHO REPAIRED THE CONNECTOR FOR THE HIGH HARNESS, WHICH LATER FRACTURED ON NOVEMBER 27TH. THE MANUFACTURER WAS CONTACTED, WHO RECOMMENDED THAT THE VEHICLE BE TAKEN TO THE DEALER FOR A DIAGNOSIS BUT THE DEALER REFUSED.
NHTSA ODI #10175122
2,000 miles · Dec 4, 2006
Air Bags
DT*: THE CONTACT STATED THE AIR BAG LIGHT ILLUMINATED WHICH INDICATED THAT THE AIR BAGS WERE INOPERATIVE. THE VEHICLE WAS TAKEN TO THE SERVICE DEALER, WHO WAS NOT ABLE TO FIND THE PROBLEM.
NHTSA ODI #10175049