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 height=17 id=, and an" width=19 height=17 id="_x0000_i1807" src="images/books/1183/10/index.2.gif" border=0>, and an Advisor can run a check.

    See also:

    Units
    Select to display English or metric units of measure. Press the set/reset button to select when units is displayed. ...

    Engine Cooling When Trailer Towing
    The cooling system may temporarily overheat during severe operating conditions. See Engine Overheating. ...

    PARKING ASSIST OFF
    After the vehicle has been started, this message displays to remind the driver that the URPA system has been turned off. This message also displays when there is a temporary condition causin ...