See also:

Reading Lamps
There are reading lamps located on the overhead console and over the rear passenger doors. These lamps come on automatically when any door is opened. To manually turn the reading lamps on or off: ...

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 the v ...

Delayed Locking
With this feature, you can delay the actual locking of the doors. When the power door lock switch is pressed when the key is not in the ignition and the driver door is opened, a chime will so ...