Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Lamps On Reminder
For vehicles with the lamps on reminder light, it comes on when the lights are
in use. ...
Entry Lighting
The dome lamp, cargo lamp, and foot lamp inside the vehicle come on when any
door is opened, if the dome lamp is in the door position. In addition, these lamps
come on when the Remote Keyless Entr ...
Danger, Warnings, and Cautions
Warning messages found on vehicle labels and in this manual describe hazards and what to do to avoid or reduce them.
Danger indicates a hazard with a high level of risk which will result in serious i ...