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 Messages
Messages displayed on the DIC indicate the status of the vehicle or some action
may be needed to correct a condition. Multiple messages may appear one after another.
The messages that do not requir ...
Battery Replacement
Notice: When replacing the
battery, do not touch any of the
circuitry on the transmitter.
Static from your body could
damage the transmitter.
1. Remove the key from the
transmitter by pres ...
Setting the Power Liftgate 3/4 Mode
To change the liftgate stop position.
1. Turn the liftgate switch to either the MAX, or the 3/4 mode position and
power open the liftgate.
2. Stop the liftgate movement at the desired height by p ...