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:

    Automatic Door Lock
    The doors are programmed to automatically lock when the shift lever is moved out of P (Park). The automatic door lock feature cannot be disabled. ...

    Instrument Panel
    Instrument Panel A. Outlet Adjustment. B. DIC Operation and Displays (If Equipped). C. Turn Signal/Multifunction Lever. D. Instrument Panel Cluster. E. Hazard Warning Flashers. F. Audio Syst ...

    Cruise Control
    With cruise control, the vehicle can maintain a speed of about 40 km/h (25 mph) or more without keeping your foot on the accelerator. Cruise control does not work at speeds below 40 km/h (25 ...