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:
Cleaning Exterior Lamps/Lenses and Emblems
Use only lukewarm or cold water, a
soft cloth, and a car washing soap
to clean exterior lamps and lenses.
Follow instructions under "Washing
the Vehicle" later in this section. ...
Automatic Transmission Fluid
How to Check Automatic
Transmission Fluid
It is not necessary to check the
transmission fluid level.
A transmission fluid leak is the only
reason for fluid loss. If a leak
occurs, take the v ...
Voice Pass-Thru
Voice pass-thru allows access to the voice recognition commands on the cell phone.
See your cell phone manufacturer's user guide to see if the cell phone supports
this feature. To access conta ...