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:
Vehicle Information Menu Items
(Vehicle Information): Press to
scroll through the following menu items:
Oil Life
Press the vehicle information button until OIL LIFE REMAINING displays. This
display shows an estimate of the o ...
Tires
Use a stiff brush with tire cleaner to
clean the tires.
Notice: Using petroleum-based
tire dressing products on the
vehicle may damage the paint
finish and/or tires. When applying
a tire dr ...
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 place. ...