See also:

When the System Does Not Seem to Work Properly
The following messages may be displayed on the DIC: SERVICE PARKING ASSIST: If this message occurs, take the vehicle to your dealer for repair. PARKING ASSIST OFF: This message occurs if the drive ...

Battery Replacement
Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC. See “Replace Battery In Remote Key” under Key and Lock Messages for additional information. Notice: When ...

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 ...