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:

    Cruise Control
    Your vehicle has cruise control. The controls are located on the end of the turn signal/ multifunction lever. (On): Move the switch to this position to turn the cruise control system on. ...

    Storing a Flat or Spare Tire and Tools
    WARNING! Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Stor ...

    Servicing Your Airbag-Equipped Vehicle
    Airbags affect how your vehicle should be serviced. There are parts of the airbag system in several places around your vehicle. You do not want the system to inflate while someone is working on yo ...