There are 3 owner-reported powertrain & transmission complaints for the 2009 Buick LaCrossein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
WHILE ENTERING INTERSTATE OFF RAMP I STARTED SLOWING DOWN AND VEHICLE ACCELERATED TO A VERY HIGH SPEED. WITH EXTREME BRAKE PEDAL PRESSURE WAS NOT ABLE TO SLOW VEHICLE DOWN FOR APPROXIMATELY 100 YARDS. I HAD TO CHANGE 3 LANES TO AVOID COLLIONS WITH VEHICLES IN FRONT.
TL* THE CONTACT OWNS A 2009 BUICK LACROSSE. WHILE THE VEHICLE WAS PARKED AND POWERED ON, THE GEAR SHIFT INADVERTENTLY SHIFTED TO REVERSE AND ROLLED BACKWARDS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 26,466.
TL* THE CONTACT OWNS A 2009 BUICK LACROSSE. THE CONTACT STATED THAT IT WAS DIFFICULT TO SHIFT THE VEHICLE FROM PARK INTO REVERSE. THE GEAR SHIFTER RESPONDED AS IF IT WOULD BREAK WHEN ATTEMPTING TO SHIFT GEARS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNAVAILABLE.
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