There are 3 owner-reported speed control & cruise complaints for the 2004 Buick Rendezvousin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2004 BUICK RENDEZVOUS. WHILE DRIVING AT APPROXIMATELY 45 MPH, THE VEHICLE EXPERIENCED UNINTENDED ACCELERATION. THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE HAS NOT YET BEEN DIAGNOSE. THERE WERE CONSEQUENCES BUT THE CONTACT WAS CONCERNED FOR HIS SAFETY. WHEN THE CHECK ENGINE WARNING LIGHT ILLUMINATED, THE VEHICLE UNINTENDEDLY ACCELERATED. THE CONTACT ALSO STATED THAT THE VEHICLE HAD BEEN EXPERIENCING THE FAILURE FOR APPROXIMATELY EVERY DAY FOR THE PAST TWO WEEKS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE NATURE OF THE FAILURE WAS UNDETERMINED. THE VEHICLE WAS NOT TAKEN TO NOT TAKEN TO A DEALER FOR DIAGNOSTIC TESTING OR REPAIRS. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 110,000.
WHILE DRIVING THE ANTI-LOCK AND AWD LITE ON AND SMELL OF GAS FROM INSIDE OF CABIN AND SOMETIMES FROM UNDER THE HOOD . ALSO WHEN TRYING TO ACCELERATE THE CAR BOGS AND THE RPM FO HIGH BUT THE CARVSEAMA TO LOSE POWER . OB2 CODE IS P0445
DT*: THE CONTACT STATED WHILE PARKING THE VEHICLE AT DRIVING 3 MPH, THE VEHICLE ACCELERATED WITHOUT WARNING, COLLIDING WITH A NEARBY RETAINING WALL. THE VEHICLE WAS TAKEN TO A SERVICE DEALER, WHERE THE DEALER WAS UNABLE TO DETERMINE THE PROBLEM. THE MANUFACTURER WAS ALSO NOTIFIED.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026