Cellular and GPS Antennas

Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception.

Cellular reception is required for OnStar to send remote signals to the vehicle.

    See also:

    Radio Frequency Statement
    This vehicle has systems that operate on a radio frequency that comply with Part 15 of the Federal Communications Commission (FCC) rules and with Industry Canada Standards RSS-GEN/210/220/310. Op ...

    Storing a Radio Station as a Favorite
    Drivers are encouraged to set up their radio station favorites while the vehicle is stopped. Tune to favorite stations using the presets, favorites button, and steering wheel controls, if th ...

    Vehicle Overview
    Over the past few years, Cadillac has been removing one old nameplate after another: Eldorado, Seville and now DeVille. All have been consigned to the dustbin, at least for now, as Cadillac seeks ...