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 2018-2022 Owners Manual: Replacing LATCH System Parts After a Crash

Warning A crash can damage the LATCH system in the vehicle. A damaged LATCH system may not properly secure the child restraint, resulting in serious injury or even death in a crash. To help make sure the LATCH system is working properly after a crash, see your dealer to have the system inspected and any necessary replacements made as soon as possible...

GMC Terrain 2018-2022 Owners Manual: Wiper Blade Replacement

Windshield wiper blades should be replaced periodically. See Maintenance Schedule. Replacement blades come in different types and are removed in different ways. For proper type and length, see Maintenance Replacement Parts. Caution Allowing the wiper arm to touch the windshield when no wiper blade is installed could damage the windshield...