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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Towing the vehicle on four wheels
If the vehicle battery is disconnected or disabled, do NOT attempt to tow the vehicle. Towing may result in serious damage to the transmission. The vehicle should NOT be towed on all four whee ...

Replacing Rear Bulbs
1. Open the tailgate. Place a cloth on the edge of the cover to prevent scratches. Remove the covers by carefully prying on the edge with a small flat-tip screwdriver. 2. Use a Phillips-h ...

Outside Air Intake
Make sure the air intake, located directly in front of the windshield, is free of obstructions such as leaves. Leaves collected in the air intake may reduce airflow, and if they enter the plenum ...