See also:

Vehicle Overview
GMC's Terrain is the twin to the Chevrolet Equinox. The five-seat crossover comes in front- or all-wheel drive with a four-cylinder or V-6 engine. Competitors include the Ford Escape, Toyota RAV4 ...

Turn Signal Indicator
The vehicle may also have a turn signal indicator on the mirror. An arrow on the mirror flashes in the direction of the turn or lane change. ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...