Problems · NHTSA complaints

2009 Buick Lacrosse problems

Owners filed 106 complaints about the 2009 Buick Lacrosse with NHTSA between Jun 2009 and Jun 2024. The most-cited component is exterior lighting (47).

Complaints
106
Filed with NHTSA
Crashes
3
Reported by owners
Fires
4
Reported by owners
Injuries
2
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Exterior lighting47
  2. Electrical system31
  3. Air bags27
  4. Vehicle speed control9
  5. Engine5
  6. Fuel/propulsion system5
  7. Electronic stability control (esc)3
  8. Service brakes3
  9. Seats3
  10. Power train3
  11. Structure2
  12. Latches/locks/linkages1
  13. Equipment1
  14. Steering1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Nov 9, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20091
20100
20112
20121
20134
201422
201544
201620
20173
20183
20192
20200
20210
20221
20232
20241

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Exterior lighting

47 reports2 fires1 related recall
“TL* THE CONTACT OWNS A 2009 BUICK LACROSSE. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 14V755000 (EXTERIOR LIGHTING); HOWEVER, THE PART NEEDED TO REPAIR THE VEHICLE WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT. UPDATED 09/28/16*LJ UPDATED 03/14/17*JB”
Owner complaint to NHTSAFiled Jul 28, 2016Exterior lightingODI 10889202

Electrical system

31 reports3 fires1 related recall
“WAS DRIVING DOWN ROAD GOT TO MY DESTINATION PARKED IT AND WHEN I CAME OUT IT WOULD NOT START FOUND A BURNT FUEL PUMP RELAY CHANGED IT AND DROVE IT HOME. 20 MIN LATER I DROVE IT AGAIN AND MADE IT 2 MILES SAME THING HAPPENED TO RELAY ONLY WHEN I WAS DRIVING IT.”
Owner complaint to NHTSAFiled Dec 14, 2018Electrical system, Fuel/propulsion systemODI 11161487

Air bags

27 reports1 crash
“The passenger airbag light started coming on and going off intermittently. After several weeks of this, it was on every time the car is driven. Testing by an ASE certified mechanic revealed that the permanent light results in no front seat airbags. The failed part is the seat presence sensor. The part is - and hasn't been for quite a while - manufactured by GM. Aftermarket parts are costly and the installation cost is in the hundreds of dollars. Research indicates that this is a well-known and long reported issue. Why not a recall years ago? Other than brakes and steering, could there be any more unsafe components than those affecting airbags? The only remedy other than continuously replacing the faulty part, is a bypass module. If it functions correctly, the airbag will deploy regardless of passenger weight. This puts any child or underweight rider in danger. And, of course, considering the expense, many owners will do nothing with possibly grave consequences. I think you "dropped the ball" big time on this one!”
Owner complaint to NHTSAFiled Jun 9, 2024Air bagsODI 11593279

Vehicle speed control

9 reports1 crash
“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.”
Owner complaint to NHTSAFiled Sep 30, 2019Vehicle speed control, Engine, Fuel/propulsion systemODI 11258915

Engine

5 reports1 fire
“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.”
Owner complaint to NHTSAFiled Apr 9, 2019Vehicle speed control, EngineODI 11194921

Fuel/propulsion system

5 reports
“ORIGINAL PURCHASER OF VEHICLE WITH UNDER 120,000 MILES AND HAVE A "REDUCED POWER / ACCELERATOR PEDAL POSITION SENSOR" PROBLEM AS RECALLED BY GM FOR SOME MAKE AND MODELS AS SAME, BUT NOT MINE AS IT DID NOT MANUFACTURED AT SAME PLANT AS OTHERS (AS I WAS TOLD)? I'M FINDING IT COINCIDENTAL THAT I WOULD HAVE THE SAME PROBLEM?”
Owner complaint to NHTSAFiled Dec 28, 2016Fuel/propulsion systemODI 10937879
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 9, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.