See also:

Your Responsibility
Increase the volume of the radio if the OnStar Advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Push and request a vehicle diagnos ...

Vehicle Messages
Messages displayed on the DIC indicate the status of the vehicle or some action that may be needed to correct a condition. Multiple messages may display one after the other. The messages that do not ...

Jump Starting
For more information about the vehicle battery, see Battery . If the battery has run down, try to use another vehicle and some jumper cables to start your vehicle. Be sure to use the following step ...