See also:

Speedometer
The speedometer shows the vehicle speed in both kilometers per hour (km/h) and miles per hour (mph). ...

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 ...

Operation and Displays
The DIC has different displays which can be accessed by pressing the DIC buttons located on the instrument panel, next to the steering wheel. The DIC displays trip, fuel, and vehicle system informa ...