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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Driving Characteristics and Towing Tips
WARNING The driver can lose control when pulling a trailer if the correct equipment is not used or the vehicle is not driven properly. For example, if the trailer is too heavy, the brakes may not ...

Automatic operation (AUTO)
The AUTO mode may be used all year around as the system automatically controls constant temperature, air flow distribution and fan speed. To turn off the heater and air conditioner, turn the fa ...

Wiper blade replacement
This subject is covered in the Maintenance section. See 175, WIPER BLADE REPLACEMENT. ...