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 2018-2026 Owners Manual: Remote Vehicle Start


    If equipped, the engine can be started from outside of the vehicle. Starting the Vehicle Press and release on the RKE transmitter. Immediately press and hold for at least four seconds or until the turn signal lamps flash. When the vehicle starts, the parking lamps will turn on...

    GMC Terrain 2018-2026 Owners Manual: Diesel Exhaust Fluid


    Warning Avoid getting Diesel Exhaust Fluid (DEF) on your skin or in your eyes as it could cause irritation. For more safety, handling, and storage information, see the Diesel Exhaust Fluid container label. Diesel Exhaust Fluid (DEF) is used with diesel engines to reduce the amount of regulated emissions produced...

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