GMC Terrain: In Brief / Performance and Maintenance

Sunroof

Sunroof Switch Sunshade Switch If equipped, the sunroof only operates when the ignition is on or in ACC/ACCESSORY, or when Retained Accessory Power (RAP) is active...

Traction Control/Electronic Stability Control

The Traction Control System (TCS) limits wheel slip. The system is on when the vehicle is started. The StabiliTrak/Electronic Stability Control (ESC) system assists with directional control of the vehicle in difficult driving conditions...

Other information:

GMC Terrain 2018-2023 Owners Manual: Seat Belts

This section describes how to use seat belts properly, and some things not to do. Warning Do not let anyone ride where a seat belt cannot be worn properly. In a crash, if you or your passenger(s) are not wearing seat belts, injuries can be much worse than if you are wearing seat belts...

GMC Terrain 2018-2023 Owners Manual: Headlamp High/Low-Beam Changer anf Flash-to-Pass

Headlamp High/Low-Beam Changer Push the turn signal lever away from you and release, to turn the high beams on. To return to low beams, push the lever again or pull it toward you and release. This indicator light turns on in the instrument cluster when the high-beam headlamps are on...