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:
Under the Hood
Available only with rear-wheel drive, the 3.6-liter V-6 engine produces 255
horsepower and 252 pounds-feet of torque. Cadillac's 4.6-liter Northstar V-8
generates 320 hp and 315 pounds-feet of tor ...
Power Outlets
Accessory power outlets can be
used to plug in electrical equipment,
such as a cell phone or MP3 player.
There are three accessory power
outlets. The power outlets located
below the climate c ...
Shifting Into Park
WARNING
It can be dangerous to get out of the vehicle if the shift lever is not fully
in P (Park) with the parking brake firmly set. The vehicle can roll. If you have
left the engine running ...