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:
Boost Gauge
Metric
English
For the CTS-V, this gauge is located
in the instrument panel cluster.
This gauge indicates positive
manifold pressure, which is the
induction air pressure level in the
in ...
Infotainment
Read the following pages to
become familiar with the audio
system's features.
WARNING!
Taking your eyes off the road for
extended periods could cause a
crash resulting in injury or death
t ...
Folding and Tumbling the Seat from the Third Row Seat
WARNING
Using the third row seating position while the second row is folded, or folded
and tumbled, could cause injury in a sudden stop or crash. Be sure to return the
seat to the passenger ...