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:
Turn Signals When Towing a Trailer
The turn signal indicators on the instrument panel flash whenever signaling a
turn or lane change. Properly hooked up, the trailer lamps also flash, telling other
drivers the vehicle is turning, c ...
Trip Odometer Reset Stem Menu Items (with DIC Buttons)
Use the trip odometer reset stem to view the odometer and trip odometer. The Language selection and Engine Hours display can also be accessed with the trip odometer reset stem. ...
Lamps On Reminder
For vehicles with the lamps on reminder light, it comes on when the lights are
in use. ...