See also:

Cargo Lamp
The cargo lamp is located in the rear compartment and is controlled by the dome lamp. See Dome Lamps. ...

DIC Compass
The vehicle may have a compass in the Driver Information Center (DIC). See Compass for information. ...

Turn-by-Turn
This display is used for the OnStar or Navigation System Turn-by-Turn guidance. See OnStar Overview or the navigation manual, if the vehicle has navigation, for more information. ...