GMC Terrain: Customer Information / Publication Ordering Information

Service Manuals

Service manuals have the diagnosis and repair information on the engine, transmission, axle, suspension, brakes, electrical system, steering system, body, etc.

Customer Literature

Owner’s manuals are written specifically for owners and are intended to provide basic operational information about the vehicle. The owner’s manual includes the Maintenance Schedule for all models.

Customer literature publications available for purchase include owner’s manuals, warranty manuals, infotainment manuals, and portfolios. Portfolios include an owner’s manual, warranty manual, infotainment manual, if applicable, and zip lock bag or pouch.

Current and Past Models

Service manuals and customer literature are available for many current and past model year GM vehicles.

To order, call 1-800-551-4123 Monday–Friday, 8:00 a.m.–6:00 p.m. eastern time

For credit card orders only (VISA, MasterCard, or Discover), see Helm, Inc. at: www.helminc.com.

To order by mail, write to:

Helm, Incorporated

Attention: Customer Service

47911 Halyard Drive

Plymouth, MI 48170

Make checks payable in U.S. funds.

    Collision Damage Repair

    If the vehicle is involved in a collision and it is damaged, have the damage repaired by a qualified technician using the proper equipment and quality replacement parts...

    Radio Frequency Statement

    This vehicle has systems that operate on a radio frequency that complies with Part 15/Part 18 of the Federal Communications Commission (FCC) rules and with Innovation, Science and Economic Development (ISED) Canada's RSP-100 / license-exempt RSS's / ICES-001...

    Other information:

    GMC Terrain 2018-2022 Owners Manual: Selecting the Follow Distance Gap


    When a slower moving vehicle is detected ahead within the selected following gap, ACC will adjust the vehicle's speed and attempt to maintain the follow distance gap selected. Press on the steering wheel to adjust the following gap. Each press cycles the gap button through three settings: Far, Medium, or Near...

    GMC Terrain 2018-2022 Owners Manual: Instrument Panel


    Air Vents Turn Signal Lever. See Turn and Lane-Change Signals. IntelliBeam System Button (If Equipped). See Exterior Lamp Controls. Instrument Cluster (Base and Midlevel) or Instrument Cluster (Uplevel).Driver Information Center (DIC) Display. See Driver Information Center (DIC) (Base and Midlevel)  or Driver Information Center (DIC) (Uplevel)...

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