Battery Voltage and Charging Messages

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Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...

Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer/retailer. Maintenance Replacement Parts ...

Compass Operation
Press the on/off button once to turn the compass on or off. There is a compass display in the window in the upper right corner of the mirror face. The compass displays a maximum of two character ...