What 169 owners told NHTSA about the 2011 Buick Lacrosse Hybrid

SUDDEN AND UNEXPECTED ACCELERATION DURING A LOW SPEED (<5 MPH) TIGHT LEFT HAND TURN. FIRST INCIDENT RESULTED IN CRASH AGAINST HOUSE WALL, DAMAGE TO VEHICLE. VEHICLE REPAIRED BELOW INSURANCE DEDUCTIBLE, NO DAMAGE TO STRUCTURE. SECOND INCIDENT IN A PARKING LOT, ON OR ABOUT MAY 16, 2012, ABLE TO STOP VEHICLE WITH NO CRASH. THIRD INCIDENT OCCURRED AT NEIGHBORS HOUSE JUNE 26, 2012, CAUSING CRASH. DAMAGE TO VEHICLE AND GARAGE DOOR. ALL INCIDENTS OCCURRED WHEN LIFTING FROM ACCELERATOR PRIOR TO STEPPING ON THE BRAKE TO SHIFT INTO REVERSE (VEHICLE STILL IN DRIVE, NO BRAKING). AFTER 3RD INCIDENT VEHICLE WAS DRIVABLE BUT WAS TOWED TO THE SELLING/SERVICING BUICK DEALER. VEHICLE IS STILL BEING INVESTIGATED BY DEALER. CONDITION DOES NOT OCCUR EVERY TIME IN THE SAME TIGHT LEFT HAND TURN. TYPE OF TURN IS 90 DEGREES IN DRIVEWAYS TO SIDE LOADING GARAGES AND INTO PARKING SPACES. *TR

NHTSA ODI 10463391

TL* THE CONTACT OWNS A 2011 BUICK LACROSSE. WHILE THE VEHICLE WAS PARKED IN A RESIDENTIAL GARAGE WITH THE ENGINE TURNED OFF, THE VEHICLE UNEXPECTEDLY REVERSED INTO THE SIDE OF THE GARAGE DOOR AND CONTINUED TO ROLL, CRASHING INTO A CURB WHICH STOPPED THE VEHICLE. THE DRIVER SIDE DOOR AND FOUR RIMS WERE DAMAGED. THE DRIVER SIDE DOOR REQUIRED REPLACEMENT AND IN ADDITION, THERE WAS A DENT ABOVE THE FRONT PASSENGER SIDE BUMPER. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THEY INFORMED THE CONTACT THAT THE FAILURE WAS RELATED TO THE POWER TRAIN. THE CONTACT SCHEDULED AN APPOINTMENT WITH THE DEALER FOR DIAGNOSIS AND COLLISION REPAIR. THE MANUFACTURER WAS NOT MADE AWARE OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 9,142. THE VIN WAS UNAVAILABLE.

NHTSA ODI 10418208