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:
Fuel Range
Displays the approximate remaining
kilometers (km) or miles (mi) you
can drive without refilling the fuel
tank. This estimate is based on the
current driving conditions and
changes if the dr ...
Auxiliary Devices (Radio with CD/DVD and MEM)
The optional AUX input allows portable devices to be connected using the
3.5mm (1/8 in) input jack or the USB port.
Portable devices are controlled by using the menu system described in
Operation ...
Recommended Fuel
Use premium unleaded gasoline with a posted octane rating of 91 or higher. You
can also use regular unleaded gasoline rated at 87 octane or higher, but the vehicle's
acceleration could be slig ...