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 2018-2026 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. When pressed, the current gap setting displays briefly on the instrument clus..

GMC Terrain 2018-2026 Owners Manual: Park Assist and Automatic Parking Assist (APA)

Park Assist If equipped, Rear Park Assist (RPA) uses sensors on the rear bumper to assist with parking and avoiding objects while in R (Reverse). It operates at speeds less than 8 km/h (5 mph). RPA may show a warning triangle on the infotainment display and a graphic on the instrument cluster to provide the object distance. In addition, multiple beeps or seat pulses may occur if very cl..