Courtesy Lamps
The courtesy lamps come on automatically when any door is opened and the dome lamp is in the door position.
See also:
Tire Pressure Light
For vehicles with the Tire Pressure
Monitor System (TPMS), this light
comes on briefly when the engine is
started. It provides information
about tire pressures and the TPMS. ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have
them sent to the vehicle navigation screen. Destinations can also be forwarded to
the v ...
Vehicle Messages
Messages displayed on the DIC indicate the status of the vehicle or some action
may be needed to correct a condition. Multiple messages may appear one after another.
The messages that do not requir ...