There are 4 stored owner reports matching the speed control & cruise leading-label group for the 2009 Buick LaCrosse in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 4 of 4 matching reports.
Open the full vehicle complaint log (all categories)REDUCED POWER/TRACTION CONTROL LIGHT CAME ON SUDDENLY AND REDUCED CAR POWER IMMEDIATELY. THIS MADE FOR A VERY DANGEROUS SITUATION WHILE PASSING A TRUCK AND ENTERING THE HIGHWAY. THE CAR DROPPED SPEED VERY QUICKLY MAKING FOR A POTENTIALLY DEADLY SITUATION. THIS PROBLEM COMES AND GOES WITH NO WARNING UNTIL IT HAPPENS. RESEARCH SHOWS THIS IS A BIG PROBLEM FOR GM VEHICLES ESPECIALLY THE 2009 BUICK LACROSS MODELS. IT'S A DISASTER WAITING TO HAPPEN IF IT HASN'T HAPPENED ALREADY. THIS NEEDS TO BE RECALLED ASAP.
TL* THE CONTACT OWNS A 2009 BUICK LACROSSE. WHEN THE CONTACT STARTED THE VEHICLE, THE CHECK ENGINE AND SERVICE TRAC SYSTEM WARNING INDICATORS ILLUMINATED. ALSO, THE VEHICLE WOULD NOT EXCEED 15 TO 20 MPH WHEN THE ACCELERATOR PEDAL WAS DEPRESSED. THE CONTACT TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC WHERE THE ACCELERATOR PEDAL WAS REPLACED, BUT THE FAILURE RECURRED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STARTED AN INVESTIGATION. THE MANUFACTURER INFORMED THE CONTACT TO CALL NHTSA TO FILE A COMPLAINT. THE FAILURE MILEAGE WAS 99,000.
TL* THE CONTACT OWNS A 2009 BUICK LACROSSE. WHILE DRIVING APPROXIMATELY 40 MPH, THE THROTTLE BEGAN TO FAIL. THERE WERE NO WARNING INDICATORS ILLUMINATED BEFORE OR AFTER THE FAILURE. THE VEHICLE WAS NOT TAKEN TO A DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 92,648.
WHILE ENTERING A PARKING LOT AT APPROXIMATELY 20 MPH VEHICLE SUDDENLY ACCELERATED AT VERY HIGH RPMS AND JUMPED THE CURB HITTING A TREE, EXTREME PRESSURE ON BRAKE PEDAL WOULD NOT STOP VEHICLE.. THIS WAS THE SECOND TIME IN 2 DAYS THIS PROBLEM OCCURRED..
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.