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 ...

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Safety precautions
- For safety reasons, avoid operating the cell phone while driving. - Do not make a phone call while driving. When you have an incoming call, stop the vehicle in a safe location before ta ...

Rain sensor
Ensure that the wipers are switched off before entering a car wash. If the rain sensitive wipers operate during the car washing process, damage may occur to the wiper mechanism. The rain senso ...

Powered tailgate opening height
The maximum opening height can be set as required. This is useful in parking areas with low ceiling heights or just for ease of use. 1. Open the tailgate to the position which you want to set as t ...