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:
Engine Overheating
The vehicle has several indicators
to warn of engine overheating.
There are two engine hot messages
that may be displayed in the Driver
Information Center (DIC). See
Engine Cooling System Mes ...
SIDE BLIND ZONE ALERT
SYSTEM OFF
This message indicates that the
driver has turned the system off. ...
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 ...