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:
Cooling System
The cooling system allows the engine to maintain the correct working temperature.
A. Coolant Surge Tank
B. Coolant Surge Tank Pressure Cap
C. Engine Cooling Fan(s) (Out of View)
WARNING
An ...
RELEASE PARK BRAKE SWITCH
For vehicles with the electric parking
brake, this message displays if the
switch is pulled while the vehicle is
moving. See the electric parking
brake information under Parking
Brake (Elect ...
Call Waiting
Call waiting must be supported on the cell phone and enabled by the wireless
service carrier.
- Press to answer an incoming call when another call is active. The original call
is placed on hold.
...