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:

    Lockout Protection
    This feature stops the power door locks from locking when the key is in the ignition and a door is open to protect you from locking your key in the vehicle. If the power lock switch is pressed w ...

    Drunk Driving
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    Vehicle and Power Issues
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