Diagnostics

OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring System. If a diagnostics check is needed between e-mails, push Advisor can run a check., and an Advisor can run a check.

    See also:

    Erasing Speed Memory
    When you turn off the cruise control or the ignition, the cruise control set speed memory is erased. ...

    Parking
    If the vehicle has a manual transmission, before getting out of the vehicle, move the shift lever into R (Reverse) if parking on a downhill slope. On a level surface or an uphill slope, use 1 (First) ...

    Storing an XM Channel as a Favorite
    Channels from all bands can be stored in any order in the favorite pages. Up to six channels can be stored in each favorite page and the number of available favorite pages can be set. Storing a Ch ...