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 2018-2026 Owners Manual: Cooling System

1.5L Gas Engine Engine Cooling Fan (Out of View) Engine Coolant Surge Tank and Pressure Cap 1.6L Diesel Engine Engine Cooling Fan (Out of View) Engine Coolant Surge Tank and Pressure Cap 2.0L Gas Engine Engine Cooling Fans (Out of View) Engine Coolant Surge Tank and Pressure Cap Warning An underhood electric fan can start up even when the engine is not running and can ..

GMC Terrain 2018-2026 Owners Manual: Connections

The following services help with staying connected. For coverage maps, see www.onstar.com (U.S.) or www.onstar.ca (Canada). Ensuring Security Change the default passwords for the Wi-Fi hotspot and myGMC mobile application. Make these passwords different from each other and use a combination of letters, numbers, and symbols to increase the security. Change the default name of th..