GMC Terrain: Keys, Doors, and Windows / Vehicle Security

GMC Terrain 2018-2026 Owners Manual / Keys, Doors, and Windows / Vehicle Security

This vehicle has theft-deterrent features; however, they do not make the vehicle impossible to steal.

Hands-Free Operation

The liftgate may be operated with a kicking motion under the rear bumper between the left exhaust pipe and the license plate. The RKE transmitter must be within 1 m (3 ft) of the rear bumper to operate the power liftgate hands-free...

Vehicle Alarm System

This vehicle has an anti-theft alarm system. The indicator light, on the instrument panel near the windshield, indicates the status of the system: Off : Alarm system is disarmed...

Other information:

GMC Terrain 2018-2026 Owners Manual: Diesel Particulate Filter

The Diesel Particulate Filter (DPF) system filters soot particles out of the exhaust gases. The DPF is under the vehicle in the exhaust system. Depending on a number of factors monitored by the engine computer, the DPF will need to be cleaned of accumulated solids...

GMC Terrain 2018-2026 Owners Manual: Lumbar Adjustment and Reclining Seatbacks

Lumbar Adjustment If equipped, press and hold the front or rear of the control to increase or decrease lumbar support. Reclining Seatbacks Warning Sitting in a reclined position when the vehicle is in motion can be dangerous. Even when buckled up, the seat belts cannot do their job...

Vehicle Personalization

The following are all possible vehicle personalization features. Depending on the vehicle, some may not be available.

For System, Apps, and Personal features and functions, see “Settings” in the infotainment manual.

To access the vehicle personalization menu: