Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service.
Get subscription plan pricing and sign up for OnStar Vehicle Diagnostics. Click on the “My Account” tab on the home page.
See also:
Rear Side Window Antenna
The AM-FM antenna is located in the passenger rear side windows. Make sure the
inside surfaces of the rear side windows are not scratched and that the lines on
the glass are not damaged. If the in ...
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 ...
Shifting out of Park
This vehicle is equipped with an electronic shift lock release system. The shift
lock release is designed to:
Prevent ignition key removal unless the shift lever is in P (Park) with
the shift ...