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 Compartment Fuse Block
The Engine Compartment Fuse Block is located in the engine compartment, on the
driver side of the vehicle. Lift the cover for access to the fuse/relay block.
If the vehicle is a hybrid, see the h ...
Services Provided
- Flat Tire Change: If unable to
change a flat tire, Roadside
Assistance will provide towing
service to the nearest authorized
Cadillac dealership. It is the
owner's responsibility for the
...
Engine Oil
To ensure proper engine performance and long life, careful attention must be
paid to engine oil. Following these simple, but important steps will help protect
your investment:
Always use engin ...