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:

    Specification
    Use and ask for licensed engine oils with the dexos1™ approved certification mark. Engine oils meeting the requirements for the vehicle should have the dexos1 approved certification mark. T ...

    Competitive Driving Mode
    To select this optional handling mode, press the TCS/StabiliTrak button quickly two times and STABILITRAK COMPETITIVE MODE displays in the Driver Information Center (DIC). While in the Sta ...

    Exterior Lighting
    The exterior lamp control is located toward the end of the turn signal/lane change lever. : Turn the band with this symbol on it to operate the exterior lamps. The exterior lamp control h ...