See also:

Odometer
The vehicle's odometer works together with the Driver Information Center (DIC). The Trip odometer can be set. See “Trip Odometer” under Driver Information Center (DIC)   for more inf ...

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. ...

Service Vehicle Messages
SERVICE AC SYSTEM This message is displayed if there is a problem with the air conditioning system. Take the vehicle to your dealer for service. SERVICE POWER STEERING This message is displa ...