Add-on Electrical Equipment

The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

    See also:

    Setting the Clock
    To set the time and date for the radio with CD (MP3): 1. Turn the ignition key to ACC/ACCESSORY or ON/RUN. 2. Press to turn the radio on. 3. Press and the HR, MIN, MM, DD, YYYY (hour, minut ...

    Checking Coolant
    The vehicle must be on a level surface when checking the coolant level. Check to see if coolant is visible in the coolant surge tank. If the coolant inside the coolant surge tank is boiling, do not ...

    DIC Buttons
    A. SET/CLR: Press to set or clear the menu item when it is displayed. B. (Thumbwheel): Use to scroll through the items in each menu. A small marker will move across the bottom of the pag ...