Mobile Apps

Mobile apps are available for download through iTunes® to then access the iPhone® App Store and Google™ Marketplace for Android™. Search for the apps to download. The apps are free of charge; however, the myCadillac app requires the user to link their own vehicle and OnStar MyLink requires an active OnStar subscription.

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    Finish Care
    Application of aftermarket clearcoat sealant/wax materials is not recommended. If painted surfaces are damaged, see your dealer to have the damage assessed and repaired. Foreign materials su ...

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

    Disc Messages
    DISC ERROR: If this message displays and/or the disc ejects, it could be for one of the following reasons: - The radio system does not support the playlist format, the compressed audio form ...