See also:

Languages
The vehicle supports English, French (Canadian), and Spanish. The default language is English. Turn the TUNE/MENU knob to highlight the language. Press TUNE/MENU to change the display language. ...

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 ...

Headlamp High/Low-Beam Changer
(Headlamp High/Low-Beam Changer): Push the turn signal/lane change lever away from you and release, to turn the high beams on. To return to low beams, push the lever again or pull it toward y ...