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:
Security Light
The security light should come on briefly as the engine is started. If the system
is working normally, the indicator light turns off. If it does not come on, have
the vehicle serviced by your de ...
Engine Compartment Overview
6.2L V8 Engine
A. Engine Air Cleaner/Filter .
B. Coolant Surge Tank and Pressure Cap. See Cooling System .
C. Remote Positive (+) Terminal. See Jump Starting .
D. Battery ...
Heated Mirrors
(Rear Window Defogger):
Press to heat the mirrors.
See Dual Automatic Climate Control
System. ...