Radio Messages for XM™ Only

See XM Radio Messages later in this section for further detail.

    See also:

    Theft-Deterrent Feature
    THEFTLOCK® is designed to discourage theft of your vehicle’s radio. The feature works automatically by learning a portion of the Vehicle Identification Number (VIN). If the radio is moved to a ...

    Power Steering Fluid (3.6L V6 Engine)
    See Engine Compartment Overview for information on the location of the power steering fluid reservoir. ...

    TTY Users
    OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle acce ...