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 ...

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotel ...

If the Off Indicator is Lit for an Adult-Size Occupant
If a person of adult-size is sitting in the right front passenger seat, but the off indicator is lit, it could be because that person is not sitting properly in the seat. If this happens, use the ...