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:
Fuses and Circuit Breakers
If the vehicle is a hybrid, see the hybrid supplement for more information.
The wiring circuits in the vehicle are protected from short circuits by a combination
of fuses, circuit breakers and fusi ...
Automatic Operation
AUTO (Automatic): The system
automatically controls fan speed,
air delivery, and air conditioning in
order to heat or cool the vehicle to
the desired temperature. When the
indicator light is ...
Tow/Haul Mode
The vehicle has a Tow/Haul Mode. The Tow/Haul Mode adjusts the transmission shift
pattern to reduce shift cycling, providing increased performance, vehicle control,
and transmission cooling when ...