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:

    Airbag System Messages
    SERVICE AIR BAG This message displays if there is a problem with the airbag system. Have your dealer inspect the system for problems. See Airbag Readiness Light   and Airbag System  ...

    Vehicle Overview
    Going more than a decade without one, Cadillac added a two-passenger sports car to its lineup for 2004. Named the XLR, the retractable-hardtop coupe gave Cadillac a luxury roadster with a performa ...

    Remote Left in Vehicle Reminder
    This allows the Remote Left In Vehicle reminder feature to be turned on or off. If on, the horn will chirp if a remote is left in the vehicle. Press the MENU/SELECT knob when Remote Left In Vehicl ...