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:
Online Owner Center
Manage your vehicle (U.S.)
at cadillac.com. Click on
“Owners,” then “Manage my
Cadillac/Owners Login.”
Information and services
customized for your specific
vehicle — all in one convenient ...
Multi-Band Antenna
The multi-band antenna is on the roof of the vehicle. The antenna is used
for the AM—FM radio, OnStar, the XM Satellite Radio Service System, and GPS
(Global Positioning System), if the vehicle has ...
Tire Pressure for High-Speed Operation
WARNING
Driving at high speeds, 160 km/h (100 mph) or higher, puts an additional strain
on tires. Sustained high-speed driving causes excessive heat buildup and can cause
sudden tire failure ...