GMC Terrain: Driving and Operating / Driver Assistance Systems

Cleaning the Sensing System

The camera sensor on the windshield behind the rearview mirror can become blocked by snow, ice, dirt, mud, or debris. This area needs to be cleaned for ACC to operate properly...

Driver Assistance Systems

This vehicle may have features that work together to help avoid crashes or reduce crash damage while driving, backing, and parking. Read this entire section before using these systems...

Other information:

GMC Terrain 2018-2026 Owners Manual: If the Off Indicator Is Lit for an Adult-Sized Occupant

If a person of adult size is sitting in the front outboard passenger seat, but the OFF indicator is lit, it could be because that person is not sitting properly in the seat or that the child restraint locking feature is engaged. Use the following steps to allow the system to detect that person and enable the front outboard passenger frontal airbag: Turn the vehicle off...

GMC Terrain 2018-2026 Owners Manual: Tire Changing

Removing the Spare Tire and Tools Tow Eye (If Equipped) Capless Funnel Adapter (If Equipped) Wheel Wrench Strap Jack Screwdriver (If Equipped) To access the spare tire and tools: Open the liftgate. See Liftgate. Fold the rear part of the load floor to the front, pull it rearward to disengage the clips, then pull upward to remove it...