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:
Using the Store Command
The store command allows a phone number to be
stored without entering the digits individually.
1. Press and hold for two seconds.
The system
responds with “Ready” followed by a tone.
2. S ...
Rear Door Security Locks
Your vehicle may have this feature. You can lock
the rear doors so they cannot be opened from
the inside by passengers. To use one of
these locks do the following:
1. Open one of the rear doors. ...
Checking Engine Oil
It is a good idea to check the engine oil every time
you get fuel. In order to get an accurate reading,
the oil must be warm and the vehicle must be
on level ground.
The engine oil dipstick hand ...