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:
Changing a Flat Tire
If a tire goes flat, avoid further tire and wheel
damage by driving slowly to a level place. Turn on
your vehicle’s hazard warning flashers.
CAUTION:
Changing a tire can be dangerous. The
veh ...
Power Door Locks
: Press to unlock the doors.
: Press to lock the doors. ...
At Each Fuel Fill
Engine Oil Level Check
Check the engine oil level and add the proper
oil if necessary.
Notice: It is important to check your oil
regularly and keep it at the proper level.
Failure to keep your ...