There are 6 owner-reported powertrain & transmission complaints for the 2006 Buick LaCrossein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE SHIFT LINKAGE TUBE CROSSES OVER THE FUEL LINE AT THE TOP OF THE ENGINE. WHEN SHIFTING OUT OF PARK, THE TUBE MOVES. THE MOVEMENT OF THIS TUBE IS ABRADING THE THE INSULATION ON THIS FUEL LINE.
WHILE TURNING CORNERS, CAR JERKS FORWARD AND WHEELS SEEMINGLY STICK TO GROUND AND SQUEAL. THIS ALSO HAPPENS WHEN STOPPING AT RED LIGHTS AND TRYING TO ACCELERATE OR WHEN ACCELERATING WHEN ON A HILL OR INCLINE. I'VE HAVE GOTTEN SEVERAL DIFFERENT ANSWERS ABOUT WHAT THIS COULD BE BUT NOTHING DEFINITIVE. WAS TOLD MAKE A TRANSMISSION ISSUE, OR SOMETHING TO DO WITH THE 4TH CLUTCH PISTON AND FRICTION PLATES. ALSO WHEN DRIVING CAR IS ABLE TO BE MOVED INTO DIFFERENT GEARS, GEAR BOX SHOULD NOT MOVE WHEN CAR HAS ALREADY BEEN PLACED INTO THE APPROPRIATE GEAR (P, R, D, 3, 2, 1). THERE HAS ALSO BEEN ISSUES W/ THOSE SITTING IN THE PASSENGER SEAT AND THE LIGHT DOES NOT DISPLAY SHOWING THAT IT RECOGNIZES A BODY IN THE SEAT AND THE AIRBAG HAS BEEN ACTIVATED. CHECKED W/ GM NO KNOWN RECALLS FOR ANY OF THIS ISSUES BUT THEY ARE ALL POTENTIALLY HAZARDOUS. *TR
TL* THE CONTACT OWNS A 2006 BUICK LACROSSE. THE CONTACT STARTED THE VEHICLE AND STATED THAT THE GEAR LEVER FAILED TO COMPLETELY ENGAGE INTO THE DRIVE POSITION. THE FAILURE OCCURRED INTERMITTENTLY. THE DEALER STATED THAT BOTH SHIFTER CABLES NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 37,800.
2006 BUICK LACROSSE. CONSUMER STATES INJURY AND ACCIDENT DUE TO A MECHANICAL ANOMALY STATING VEHICLE REVERSED ON ITS OWN. THE CONSUMER STATED SHE PUT THE GEAR IN PARK, OPENED THE DOOR AND LEFT IT OPEN WHILE SHE WALKED APPROXIMATELY EIGHT STEPS. AS THE CONSUMER TURNED AROUND, SHE SAW THE VEHICLE TRAVELING BACKWARDS AND RAN TO STOP IT. SOON, THE VEHICLE WAS IN THE MIDDLE OF THE STREET AND SHE REALIZED SHE COULDN'T GET IN THE VEHICLE, BUT AT THAT POINT THE DOOR APPARENTLY HIT THE CONSUMER AND KNOCKED HER TO THE PAVEMENT. THE INJURY RESULTED IN A CONCUSSION WHICH EVENTUALLY REQUIRED BRAIN SURGERY TO REMOVE A HEMATOMA. *JB
TL* THE CONTACT OWNS 2006 BUICK LACROSSE CX. WHILE THE VEHICLE WAS PARKED ON AN INCLINE, THE CONTACT STARTED THE IGNITION AND THE GEAR SELECTOR FAILED TO SHIFT INTO REVERSE OR DRIVE. AFTER NUMEROUS ATTEMPTS, THE CONTACT WAS ABLE TO SHIFT INTO DRIVE. THE CONTACT STATED THAT THE FAILURE WOULD ONLY OCCUR WHILE PARKED ON AN INCLINE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THEY INFORMED HIM THAT THE TRANSMISSION FAILURE WAS A COMMON ISSUE. THE VEHICLE WAS NOT REPAIRED AND THE FAILURE PERSISTED. THE FAILURE MILEAGE WAS APPROXIMATELY 22,000. UPDATED 03/29/11 *BF UPDATED 05/05/11
ON MY 2006 BUICK LACROSSE, AT ABOUT 48K MILES THERE WAS A LOUD CLICKING NOISE FROM UNDER THE HOOD.....LUCKILY I WAS STILL UNDER WARRANTY BECAUSE IT WAS A CRACKED FLYWHEEL (FLEX PLATE)......I GO ON MY HAPPY WAY AND ABOUT 10 MONTHS LATER I HAVE THE SAME PROBLEM....AND SINCE I AM OVER THE MILEAGE PORTION OF THE PART WARRANTY, GM REFUSED TO COVER IT 100%......OK, I REALIZE ITS TECHNICALLY OUT OF WARRANTY, BUT THERE IS NOTHING THAT I CAN DO TO THAT CAR TO CAUSE THE FLYWHEEL TO CRACK...SOMETHING IS MAKING THIS HAPPEN AND GM REFUSES TO REFUND ME. I SPENT HOURS AND HOURS ON THE PHONE WITH GM.... *TR
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