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:

    Owner Information
    Owner publications are written specifically for owners and intended to provide basic operational information about the vehicle. The Owner Manual includes the Maintenance Schedule for all m ...

    Rolling Ding Factory
    I noticed another anomaly that didn't stand out in previous tests: a flawed interior handle design. Doors usually have an unlatch handle and a separate grab handle nearby for closing the door. The ...

    Turn and Lane-Change Signals
    Turn and Lane-Change Signals Move the lever all the way up or down to signal a turn. An arrow on the instrument panel cluster flashes in the direction of the turn or lane change. Raise or l ...