See also:

Using the Store Command
The store command allows a phone number to be stored without entering the digits individually. 1. Press and hold for two seconds. The system responds with “Ready” followed by a tone. 2. S ...

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 ...

DIC Vehicle Customization
Your vehicle has customization capabilities that allow you to program certain features to one preferred setting. Customization features can only be programmed to one setting on the vehicle and ca ...