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 ...

Manual Locks
From the outside, unlock the door using either the key or the RKE transmitter. From the inside, use the power door lock switches or manual lock knobs located at the top of the door panel near t ...

Interior Lighting
Courtesy Lamps When any door is opened, the interior lamps turn on to enter and exit the vehicle. Turn the instrument panel brightness control located on the left side of the steering wheel, ...