The harness connector to the left or right side roof rail air bag may have incompatible electrical terminals, which could prevent the air bags from deploying in a crash.
Risk: Roof rail air bags that do not deploy as intended increase the risk of injury in a crash.
The fix and full notice
Fix: Dealers will replace the harness connector to the roof rail air bags, free of charge. Owner notification letters were mailed on April 29, 2022. Owners may contact Buick customer service at 1-800-521-7300 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N212352140.
General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Traverse and 2021-2022 Buick Enclave vehicles.
During service by dealers, certain vehicles may have received incorrect air bag calibration software that may affect frontal airbag deployment.
Risk: Air bags that do not deploy as intended can increase the risk of injury.
The fix and full notice
Fix: Dealers will update the air bag calibration software, free of charge. Owner notification letters were mailed on July 29, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020 and Buick customer service at 1-800-521-7300. GM's number for this recall is N212340220.
General Motors, LLC (GM) is recalling certain 2021 Chevrolet Traverse and Buick Enclave vehicles.
Questions about any of these recalls: call NHTSA's Vehicle Safety Hotline at 888-327-4236 (TTY 888-275-9171) or check your VIN at nhtsa.gov/recalls.
What owners report
Owners have filed 25 complaints with NHTSA about the 2021 Enclave. Below, they are sorted by the problems owners describe and by the areas NHTSA files them under. NHTSA does not verify complaints.
Problems owners describe
Liftgate or tailgate problems4 · 16%
Seat belt problems3 · 12%
Counted from the complaint text: a complaint counts once for each problem it describes (how we match them). Some complaints describe none of these.
Areas named in complaints
Brakes6 · 24%
Electrical system6 · 24%
Body structure3 · 12%
Most named: body (3)
Seat belts3 · 12%
Engine2 · 8%
Latches, locks and linkages2 · 8%
Powertrain2 · 8%
Unknown or other4 · 16%
A complaint can name more than one area, so shares add up to more than 100%.
Buick Enclave recalls and complaints by model year
The highlighted bars are the 2021 model year. Newer model years have had less time on the road, so their counts are lower. Counting complaints filed in each model year's first three years, the 2018 Enclave drew the most (27) and the 2021 drew 11.
Owner complaints
2021: 25 complaintsTap or drag across the chart for other years.
Show as a table
Owner complaints by model year, Buick Enclave
Model year
Complaints
2016
141
2017
179
2018
64
2019
42
2020
59
2021
25
2022
13
2023
21
2024
7
2025
37
2026
2
Safety recalls
2021: 2 recallsTap or drag across the chart for other years.
Show as a table
Safety recalls by model year, Buick Enclave
Model year
Recalls
2016
4
2017
3
2018
0
2019
1
2020
6
2021
2
2022
1
2023
0
2024
0
2025
0
2026
1
Crash test ratings
NHTSA's 5-Star Safety Ratings for each version it tested. Rollover risk is NHTSA's estimate of the chance of rolling over in a single-vehicle crash.
Tested version
Overall
Frontal
Side
Rollover
Buick Enclave SUV AWD
Rollover risk 15.0%
Buick Enclave SUV FWD
Rollover risk 16.9%
Questions
What are the most common 2021 Enclave problems?
The areas owners name most often in NHTSA complaints: brakes (6), electrical system (6), body structure (3). NHTSA does not verify complaints, and one complaint can name several areas.
Is the 2021 Buick Enclave safe?
In NHTSA crash tests every tested version of the 2021 Buick Enclave earns 5 stars overall. The table above lists each tested version.
How do I check if my Enclave has an open recall?
Enter the 17-character VIN from your dashboard, door jamb or registration at nhtsa.gov/recalls. The lookup lists unrepaired recalls for that exact vehicle. Safety recall repairs are free at Buick dealers.
Sources and method
NHTSA recalls file (NHTSA datasets), dated Sep 29, 2026; every campaign checked against NHTSA's recalls API.
NHTSA owner complaints file, dated Sep 28, 2026. Counted by complaint number, so a complaint naming three components counts once in the total.
NHTSA 5-Star Safety Ratings (NCAP).
NHTSA model names covered: ENCLAVE.
Complaint counts are unverified owner reports. They rise with sales volume and time on the road, so compare model years with care. How we build these pages. Spotted an error? Tell us.