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 ...

Liftgate
Power Liftgate Vehicles with an automatic transmission must be in P (Park) and a manual transmission must be in Neutral to operate the power liftgate. To open the liftgate from inside, s ...

Exiting the Feature Settings Menu
The feature settings menu will be exited when any of the following occurs: - The vehicle is no longer in ON/RUN. - The trip/fuel or vehicle information DIC buttons are pressed. - The end ...