2021 GMC Terrain Service and Repair Manual
2021 GMC Terrain service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
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General Motors, LLC (GM) is recalling certain 2020-2023 Chevrolet Equinox and GMC Terrain vehicles. The four rear-seat lower child seat LATCH anchorage bars may have excessive powder coating, which c
The inability to install a child seat with the LATCH anchorage bars could result in an unsecured chi
Owners are advised to install child seats using the vehicle's rear seat belts until the remedy is co
General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet Equinox and GMC Terrain vehicles equipped with certain Hankook tires. The tires may have been manufactured with an insufficient amoun
Tread separation can result in a loss of vehicle control, increasing the risk of a crash.
Dealers will inspect the tire DOT numbers, and replace any affected tires, free of charge. Owner no
Pi created to provide GM dealers with information on gathering information for projection issue
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
This preliminary information announces the end of an engineering investigation into a brake pad noise.
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
Improvements to OnStar functionality.
This preliminary information discusses a condition that may arise from the drivers window switch sending an errant message causing the vehicle to enter manual fob learn mode.
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Showing the 8 most recent of 691 technical service bulletins on file with NHTSA.
The contact owned a 2021 GMC Terrain. The contact stated while the brake pedal was depressed, it was released and the vehicle suddenly accelerated aggressively. The contact attempted to avoid crashing
I was in a in a 70 miles an hour highway accident and was hit in front driver side door, went up embankment and hit a tree then rolled backwards onto the highway. No airbags deployed.
i WAS GOING TO MY SONS HOME WHICH IS LOCATED ON A STEEP DOWHILL STREET WITH SEVERAL TURNS, ONE OF THER ALMOST 90 DEGREES.aS i STARTED TO DESEND THE HILL AND GAIN SPEED, I DEPRESSED THE FOOT BRAKE.
I was backing out of a parking spot when I came in contact with a vehicle going east bound in the parking lot the contact was on the rear right side of my vehicle before I could do anything my vehicle
I was backing out of a parking spot when I came in contact with a vehicle going east bound in the parking lot the contact was on the rear right side of my vehicle before I could do anything my vehicle
Showing the 5 most serious of 50 complaints filed with NHTSA.
Need a manual for a different year? Browse every GMC Terrain we cover.
2024
GMC Terrain
$49.99
2023
GMC Terrain
$49.99
2022
GMC Terrain
$49.99
2020
GMC Terrain
$49.99
2019
GMC Terrain
$49.99
2018
GMC Terrain
$49.99
2017
GMC Terrain
$49.99
2016
GMC Terrain
$49.99
2015
GMC Terrain
$49.99
2014
GMC Terrain
$49.99
2013
GMC Terrain
$49.99
2012
GMC Terrain
$29.99
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