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 Overview
Over the past few years, Cadillac has been removing one old nameplate after
another: Eldorado, Seville and now DeVille. All have been consigned to the
dustbin, at least for now, as Cadillac seeks ...
Scheduling Service Appointments (U.S. and Canada)
When the vehicle requires warranty service, contact your dealer and request an
appointment. By scheduling a service appointment and advising the service consultant
of your transportation needs, yo ...
New Vehicle Break-In
Follow these recommended
guidelines during the first
2 414 km(1,500 miles) of driving
this vehicle. Parts have a break-in
period and performance will be
better in the long run.
For the firs ...