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:
If No Steam Is Coming from the Engine Compartment
If an engine overheat warning is displayed but no steam can be seen or
heard, the problem may not be too serious. Sometimes the engine can get a
little too hot when the vehicle:
- Climbs a long h ...
Engine Compartment
Fuse Block
(CTS-V Wagon)
The underhood fuse block is
located on the left side of the engine
compartment.
Lift the fuse block cover to access
the fuses.
The vehicle may not be equipped
with all of the fuses and rel ...
Parking Brake (Manual)
he parking brake pedal is located
on the lower portion of the
instrument panel to the left of the
steering wheel.
To set the parking brake, hold the
brake pedal down, then push the
parkin ...