OnStar Services

See also:

DIC Operation and Displays
The DIC comes on when the ignition is on. After a short delay the DIC will display the information that was last displayed before the engine was turned off. If a problem is detected, a warning m ...

Dual Automatic Climate Control System
The heating, cooling, and ventilation for the vehicle can be controlled with this system. English Shown, Metric Similar A. Driver and Passenger Heated Seats (If Equipped) B. Driver and Passeng ...

Transmission Messages
SERVICE TRANSMISSION This message displays if there is a problem with the transmission. See your dealer. SHIFT TO PARK This message displays when the transmission needs to be shifted to P (Park). ...