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:

    Using the Tire Sealant and Compressor Kit without Sealant to Inflate a Tire (Not Punctured)
    To use the air compressor to inflate a tire with air only and not sealant: If a tire goes flat, avoid further tire and wheel damage by driving slowly to a level place. Turn on the hazard wa ...

    Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
    To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Cadillac has TTY equipment available at its Customer Assistance Center. Any TTY user can com ...

    Heated Rear Seats
    The buttons are on the Rear Sear Audio (RSA) panel on the rear of the center console. Press or to heat the left outboard or right outboard seat cushion and to cycle through the temperature s ...