GMC Terrain: Performance and Maintenance / Roadside Assistance Program

GMC Terrain 2018-2024 Owners Manual / In Brief / Performance and Maintenance / Roadside Assistance Program

U.S.: 1-888-881-3302

TTY Users (U.S. Only): 1-888-889-2438

Canada: 1-800-268-6800

New GMC owners are automatically enrolled in the Roadside Assistance Program.

See Roadside Assistance Program.

Diesel Exhaust Fluid

Diesel Exhaust Fluid (DEF) is used with diesel engines to reduce the amount of regulated emissions produced. The DEF system must be maintained for the vehicle to run properly...

Other information:

GMC Terrain 2018-2024 Owners Manual: Heated Steering Wheel and Horn

Heated Steering Wheel : If equipped, press to turn it on or off. A light next to the button displays when the feature is turned on. The steering wheel takes about three minutes to start heating. Horn Press on the steering wheel pad to sound the horn...

GMC Terrain 2018-2024 Owners Manual: 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. See Engine Compartment Overview for battery location. For replacement of the battery, see your dealer. The vehicle has an Absorbed Glass Mat (AGM) 12-volt battery. Installation of a standard 12-volt..

Tire Pressure Light

GMC Terrain. Tire Pressure Light

For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on briefly when the engine is started. It provides information about tire pressures and the TPMS.