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:
Remote Vehicle Start
If available, this feature allows you to start the engine from outside of the vehicle. It may also start up the vehicle's heating or air conditioning systems and rear window defogger.
Normal operatio ...
Radios with CD and DVD Audio Output
Only one audio source can be heard through the speakers at one time.
An audio source is defined as DVD slot, CD slot, XM, FM/AM, Front Auxiliary Jack, or Rear Auxiliary Jack.
Press to turn the radi ...
Speedometer
The speedometer shows how fast the vehicle is moving in either kilometers per hour (km/h) or miles per hour (mph). The speedometer cannot be reset. ...