GMC Terrain: Vehicle Checks / 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.

  1. Before starting this check, be sure there is enough room around the vehicle.
  2. Apply both the parking brake and the regular brake. Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts.
  3. Try to start the engine in each gear. The vehicle should start only in P (Park) or N (Neutral).

If the vehicle starts in any other position, contact your dealer for service.

    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...

    Park Brake and P (Park) Mechanism Check

    Warning When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begins to roll...

    Other information:

    GMC Terrain 2018-2025 Owners Manual: Driver Mode Control


    The Driver Mode Control has the following Modes: Tour (FWD), All-Wheel Drive (AWD), Snow/Ice, and Tow/Haul. Turn the Driver Mode Control knob on the center console to make a mode selection. Continue turning the knob through the available modes...

    GMC Terrain 2018-2025 Owners Manual: Customer Assistance Offices


    GMC encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail GMC, the letter should be addressed to: United States and Puerto Rico GMC Customer Assistance Center P.O. Box 33172 Detroit, MI 48232-5172 www...

    Copyright © 2025 www.gmcterrain2.com