GMC Terrain: OnStar Services - OnStar - GMC Terrain Owner's ManualGMC Terrain: OnStar Services

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system s ...

Emergency
With Automatic Crash Response, the built-in system can automatically connect to help in a crash even if you cannot ask for it. Push to connect to an Emergency Advisor. GPS technology is used to ...

See also:

High/low beam change (dimmer)
High/low beam change (dimmer) To change from low beam to high beam, push the turn signal lever forward. When the headlights are on high beam, the high beam indicator light “” on the c ...

Front Fog Light Switch (if equipped)
Front Fog Light Switch (if equipped) The front fog light comes on when the fog light switch is pushed in with: • the lighting switch turned to the third position and the beams set to the low ...

Cooling System – Drain, Flush, And Refill
If the engine coolant (antifreeze) is dirty or contains a considerable amount of sediment, clean and flush with a reliable cooling system cleaner. Follow with a thorough rinsing to remove all de ...