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Forward collision avoidancePart report

2025 GMC Terrain Forward collision avoidance Problems

Complaints
2about this part
Share
15%of 13 total for the year
Median mileage
—not reported
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 2 complaints about the forward collision avoidance of the 2025 GMC Terrain, 15% of the 13 complaints for this model year.

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.

“Two problems with this vehicle: 1) Transmission occasionally slips on the 2-3 shift which the dealer says he cannot duplicate. Vehicle was brought in four times for this problem. According to the dealer GM corporate has stated the transmission is working within normal parameters, since no codes were found. 2) Vehicle auto braking randomly slams on the brakes with nothing in its path. Dealer states turn off system to just Alert only not Alert and Brake. No codes were set. Fortunately no one was behind me as this could have caused me to be rear ended by another vehicle. …”

NHTSA complaint #11760586, filed 2026-08

“Top of roof pops when you shut car door, Leaking either transmission fluid or oil, Left turn signal doesn't stay engaged when turning, Side mirror warning lights randomly go off when no car is around. Car is not shifting correctly when driving”

NHTSA complaint #11709231, filed 2026-01

Related service bulletins

Forward collision avoidance: other model years

YearComplaintsShare of year
2026618%
2025215%
202436%
202325%
202223%
202138%
202084%
201963%
201884%
201611%
201510%
201410%
201321%
201210%

Other parts of the 2025 GMC Terrain

Electrical system
4 complaints
Transmission and drivetrain
4 complaints
Brakes
3 complaints
Steering
3 complaints
Engine
2 complaints
Other or unknown
2 complaints
Suspension
2 complaints
Wheels
2 complaints
Air bags
1 complaints
Lane departure
1 complaints
Body and structure
1 complaints
Vehicle speed control
1 complaints

← All problems reported for the 2025 GMC Terrain

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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