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:
Removal and Installation of the Sealant Canister
To remove the sealant canister:
1. Unwrap the sealant hose.
2. Press the canister release button.
3. Pull up and remove the canister.
4. Replace with a new canister which is available from your ...
Fuel System Messages
FUEL LEVEL LOW
This message displays when the vehicle is low on fuel. Refuel as soon as
possible
TIGHTEN GAS CAP
This message displays when the fuel cap is not on tight. Tighten the fuel
ca ...
Customer Assistance for
Text Telephone (TTY)
Users (U.S. and Canada)
To assist customers who are deaf,
hard of hearing, or speech-impaired
and who use Text Telephones
(TTYs), Cadillac has TTY equipment
available at its Customer Assistance
Center. Any TTY user ...