See also:

Express-Down Window
AUTO (Express-down): The driver’s and front passenger’s window switches have an express-down feature that allows you to lower the window without holding the switch down. Press down briefly on ...

Radiator Pressure Cap
Notice: If the pressure cap is not tightly installed, coolant loss and possible engine damage may occur. Be sure the cap is properly and tightly secured. ...

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 ...