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:

    Gasoline Specifications
    At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclopentadie ...

    Tire Rotation and Required Services Every 12 000 km/7,500 mi
    Rotate the tires, if recommended for the vehicle, and perform the following services. See Tire Rotation. • Check engine oil level and oil life percentage. If needed, change engine oil and ...

    Infotainment
    Read the following pages to become familiar with the audio system's features. WARNING Taking your eyes off the road for extended periods could cause a crash resulting in injury or death to y ...