Battery Voltage and Charging Messages

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Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month. Replace the tire if: - The indicators at three ...

PARK BRAKE SET
For vehicles with the electric parking brake, this message displays when the parking brake has been applied to the set position. See the electric parking brake information under Parking Brak ...

Storing and Deleting Phone Numbers
The system can store up to 30 phone numbers as name tags in the Hands—Free Directory that is shared between the Bluetooth and OnStar systems. The following commands are used to delete and store ph ...