2007 Buick Lacrosse problems & reliability
249 owner complaints filed with NHTSA for the 2007 Buick Lacrosse, alongside 3 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
1 complaint report injuries (2 injured).
Federal crash records (FARS 2020–2023): 2007 Buick Lacrosse vehicles were involved in 33 fatal crashes with 24 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Exterior Lighting | 124 | 50% |
| Electrical System | 75 | 30% |
| Steering | 22 | 9% |
| Air Bags | 18 | 7% |
| Power Train | 10 | 4% |
| Engine | 9 | 4% |
| Engine and Engine Cooling | 7 | 3% |
| Service Brakes | 7 | 3% |
| Suspension | 7 | 3% |
| Structure | 6 | 2% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 67,700 miles (middle 50% between 46,053 and 97,401 miles), based on 174 complaints that included mileage.
Complaints by incident year
What owners report
“Odometer Fraud. The contact purchased a 2007 Buick Lacrosse. It was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. The mileage at the time of the purchase was 77,000. It was later discovered that the actual mileage was 131,000. The Carfax Report mileage was not available.”
Electrical System · filed Feb 10, 2026
“Car refuses to relearn the app sensor. Throttle body and sensor is good, always changed the EVAP Purge valve. Still throwing codes and reduce engine speed stays on..”
Engine · filed Oct 23, 2025
“Low beam headlights randomly turn off while driving at night and day. Causing not to be able to see the roadway at all. Very dangerous!!! They give no warning at all. Only the low beams do this. Bright lights are not affected. There was a recall for this issue but they said my car was not affected. But it is 100%…”
Visibility/wiper · filed Jun 6, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Loss of Headlights
Recall Query RQ17002 · opened Apr 24, 2017 · closed Mar 29, 2021
Technical service bulletins
857 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2007 Buick Lacrosse. The 10 most recent:
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may…
PIC5650M · Service Bulletin/Repair Instructions · issued Aug 7, 2025
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
PIP5601C · Service Bulletin/Repair Instructions · issued Jul 18, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or…
PIP5358D · Service Bulletin/Repair Instructions · issued Feb 20, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe…
PIT5074Q · Service Bulletin/Repair Instructions · issued Dec 7, 2024
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
04-06-04-051J · Service Bulletin/Repair Instructions · issued Sep 27, 2024
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a…
08-07-30-026I · Service Bulletin/Repair Instructions · issued Sep 16, 2024
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2007 Buick Lacrosse has 3 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2007 Buick Lacrosse?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 67,700 miles — budget accordingly if the car is approaching that mileage.