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 an Advisor can run a check., and an Advisor can run a check.

    See also:

    Safety
    Six airbags, including front-seat side-impact and side curtain-type devices, are standard. All-disc antilock brakes include brake assist. GM's StabiliTrak electronic stability system is standard. ...

    When to Check Lubricant
    Refer to Maintenance Schedule   to determine how often to check the lubricant. ...

    Fuses and Circuit Breakers
    If the vehicle is a hybrid, see the hybrid supplement for more information. The wiring circuits in the vehicle are protected from short circuits by a combination of fuses, circuit breakers and fusi ...