TTY Users
OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar Turn-by-Turn Navigation.
See also:
Starter Switch Check
WARNING
When you are doing this inspection, the vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before starting this check, be sure there is enough room aroun ...
Transferring Service
Push to request account transfer
eligibility information. The Advisor can assist in canceling or removing account
information. If OnStar receives information that vehicle ownership has changed,
...
Vehicle Information Menu Items
(Vehicle Information): Press this button to scroll through the following menu items:
OIL LIFE
Press the vehicle information button until OIL LIFE REMAINING displays. This display shows an estimate ...





