See also:

OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advi ...

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 ...

Fuel Gauge
When the ignition is on, the fuel gauge shows about how much fuel the vehicle has left in the tank. An arrow on the fuel gauge indicates the side of the vehicle the fuel door is on. The gauge ...