GMC Terrain: Keys, Doors, and Windows

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...

Keys and Locks

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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. The selected mode’s icon will light up on the knob. The vehicle must be in Park to switch between modes. Driver Mode Control Knob for Front-Wh..

GMC Terrain 2018-2025 Owners Manual: Dual Automatic Climate Control System

With this system the heating, cooling, and ventilation in the vehicle can be controlled. Driver Temperature Control A/C (Air Conditioning) Air Delivery Mode Controls Fan Control Defrost Passenger Temperature Control SYNC (Synchronized Temperature) Rear Window Defogger Power Button Air Recirculation AUTO (Automatic Operation) Automatic Operation The system automatically controls the..