OnStar

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Weatherstrips
Apply silicone grease on weatherstrips to make them last longer, seal better, and not stick or squeak. See Recommended Fluids and Lubricants  . ...

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 ...

Side Bolster
To adjust the side bolster support, if equipped: - Press the top or bottom of the control (A) to increase or decrease support in the seat cushion bolsters. - Press the top or bottom of the ...