See also:

Safety Belt Messages
BUCKLE SEATBELT This message displays as a reminder when the safety belt is not buckled. ...

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 vehic ...

Initial Drive Information
This section provides a brief overview about some of the important features that may or may not be on your specific vehicle. For more detailed information, refer to each of the features which can be ...