See also:

ENGINE OIL LOW — ADD OIL
This message displays when the engine oil level is too low. Check the oil level. See Engine Oil. ...

Chime Volume
This allows selection of the chime volume level. Press SELECT when Chime Volume is highlighted. Turn the Menu knob to select Normal or High. Press SELECT to confirm the selection. Press BAC ...

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 ...