See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...

Making Turns
Notice: Making very sharp turns while trailering could cause the trailer to come in contact with the vehicle. The vehicle could be damaged. Avoid making very sharp turns while trailering. When tur ...

Power Liftgate Operation
On vehicles with a power liftgate, the switch is on the overhead console. The vehicle must be in P (Park) to use the power feature. The taillamps will flash and a chime will sound when the power li ...