GMC Terrain

GMC Terrain

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Engine Oil Viscosity
SAE 5W-20 engine oil is recommended for all operating temperatures. This engine oil improves low temperature starting and vehicle fuel economy. The engine oil filler cap also shows the recommend ...

Radio Theft Protection
Your vehicle’s audio system will disable itself if it is disconnected from electrical power for any reason. To make it work again, you must enter a specific code using the preset buttons (i ...

Programming MyKey Optional Settings
Turn the ignition on using an admin key. To program the optional settings, use the message center buttons to do the following: 1. Press SETUP until RESET FOR MYKEY SETTINGS is displayed. 2. Press ...