GMC Terrain: Vehicle Checks / All-Wheel Drive

Transfer Case

Under normal driving conditions, transfer case fluid does not require maintenance unless there is a fluid leak or unusual noise. If required, have the transfer case serviced by your dealer.

    Battery - North America

    The original equipment battery is maintenance free. Do not remove the cap and do not add fluid. Refer to the replacement number shown on the original battery label when a new battery is needed...

    Starter Switch Check

    Warning When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. Before starting this check, be sure there is enough room around the vehicle...

    Other information:

    GMC Terrain 2018-2024 Owners Manual: Cleaning the Sensing System


    The camera sensor on the windshield behind the rearview mirror can become blocked by snow, ice, dirt, mud, or debris. This area needs to be cleaned for ACC to operate properly. The vehicle headlamps may need to be cleaned due to dirt, snow, or ice...

    GMC Terrain 2018-2024 Owners Manual: Climate Control Systems


    With this system the heating, cooling, and ventilation in the vehicle can be controlled. Fan Control A/C (Air Conditioning) Air Delivery Mode Controls Defrost TEMP (Temperature Control) Rear Window Defogger Air Recirculation : Turn clockwise or counterclockwise to increase or decrease the fan speed or turn the fan off...

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