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:
Tachometer
The tachometer displays the engine
speed in revolutions per
minute (rpm).
For eAssist vehicles, when the
ignition is in ON/RUN, the
tachometer indicates the vehicle
status. When pointing to ...
Driver Information Center (DIC)
The Driver Information Center (DIC) displays information about the vehicle. It
also displays warning messages if a system problem is detected. See Vehicle Messages
for more information. All ...
Towing
General Towing Information
The vehicle is neither designed nor intended to tow a trailer. ...