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 2018-2026 Owners Manual: Steering


    Electric Power Steering The vehicle has electric power steering. It does not have power steering fluid. Regular maintenance is not required. If power steering assist is lost due to a system malfunction, the vehicle can be steered, but may require increased effort...

    GMC Terrain 2018-2026 Owners Manual: Approaching and Following a Vehicle


    The vehicle ahead indicator is in the instrument cluster. It only displays when a vehicle is detected in your vehicle’s path moving in the same direction. If this symbol is not displaying, ACC will not respond to or brake for vehicles ahead. ACC automatically slows the vehicle down and adjusts vehicle speed to follow a detected vehicle ahead at the selected following gap...

    Copyright © 2026 www.gmcterrain2.com