See also:

Pairing a Phone
1. Press . ► For vehicles without a navigation system, the system responds “Ready,” followed by a tone. ► For vehicles with a navigation system, the system responds with a tone. Aft ...

Engine Oil Messages
CHANGE ENGINE OIL SOON This message displays when the engine oil needs to be changed. When you change the engine oil, be sure to reset the Oil Life System. See Engine Oil Life System  and Dr ...

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. Press and request a vehicle ...