See also:

Power Liftgate
On vehicles with a power liftgate, the vehicle must be in P (Park) to operate. The taillamps flash and a chime sounds when the power liftgate moves. WARNING You or others could be injured if caught ...

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 ...

Additional Factors Affecting System Operation
Safety belts help keep the passenger in position on the seat during vehicle maneuvers and braking, which helps the passenger sensing system maintain the passenger airbag status. See “Safety Belt ...