2020 GMC Terrain Seats Problems
- Complaints
- 1about this part
- Share
- 1%of 197 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the seats of the 2020 GMC Terrain, 1% of the 197 complaints for this model year. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The back passenger seat exploded and caught fire, burning the back of the seat in front and burning the ceilings. Inside the whole vehicle is black from smoke damage. Incident assessed by fire marshal who has ruled as electrical issue. No warning lights or systems displayed anything.”
NHTSA complaint #11751287, filed 2026-07Related service bulletins
- 11013269Jan 16, 2025This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
- 11000158May 1, 2024This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover…
- 10251926Mar 15, 2024This service bulletin provides information on No Heated Seats or Heated Steering Wheel During Remote Start.
- 10250274Jan 29, 2024This technical bulletin provides a procedure to replace the radiator brackets if found loose to correct a customer concern of excessive vibration in the steering wheel or seat or…
- 10249764Jan 18, 2024This service bulletin provides a procedure to check for water intrusion at the door electrical connectors and repair the wiring if found the cause of customer concerns of Power…
Seats: other model years
Other parts of the 2020 GMC Terrain
72 complaintsEngine
58 complaintsOther or unknown
36 complaintsFuel system
31 complaintsTransmission and drivetrain
28 complaintsElectrical system
27 complaintsVehicle speed control
11 complaintsForward collision avoidance
8 complaintsBack-over prevention (rear camera)
6 complaintsBody and structure
5 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsAir bags
3 complaints
← All problems reported for the 2020 GMC Terrain
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology