OnStar Services

See also:

Blank Display
This display shows no information. ...

Battery Voltage
This display shows the current battery voltage. The vehicle's charging system regulates voltage based on the state of the battery. The battery voltage may fluctuate when viewing this informat ...

Power Door Locks
Select Power Door Locks and the following will be displayed: - Unlocked Door Anti Lock Out - Auto Door Unlock - Delayed Door Lock ...