Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

    See also:

    Rear Window Defogger
    The rear window defogger uses a warming grid to remove fog or frost from the rear window. (Rear Defogger): Press to turn the rear window defogger on or off. An indicator light below the button ...

    Home Page
    The infotainment system displays a home page that makes accessing many of the features an easy process. Back: If on page two of the Home Page, press Back to return to page one of the Home P ...

    Checking Coolant
    The vehicle must be on a level surface when checking the coolant level. Check to see if coolant is visible in the coolant recovery tank. If the coolant inside the coolant recovery tank is boili ...