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:
Manual Operation
(Power): Press to turn the
climate control system on or off.
When the climate control system is
turned off the air inlet defaults to
outside air.
(Fan Control): Press the
buttons to increa ...
Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical
system overload.
When the current electrical load is too heavy, the circuit breaker opens and
closes, protecting the ci ...
Dome Lamp Override
The dome lamp override button is located next to the exterior lamps control.
: Press the button in and the dome
lamps remain off when a door is opened. Press the button again to return it to the ...