See also:

SERVICE BRAKE ASSIST
This message displays if there is a problem with the brake system. The brake system warning light and the antilock brake system (ABS) warning light may also display on the instrument panel cl ...

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 ...

Universal Remote System Programming
If the vehicle has this feature, you will see these buttons with one indicator light next to them in the overhead console. This system provides a way to replace up to three remote control tran ...