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:

    Canceling a Remote Start
    To cancel a remote start, do one of the following: Aim the RKE transmitter at the vehicle and press and hold / until the parking lamps turn off. Turn on the hazard warning flashers. Turn th ...

    Setting the Month and Day Format
    1. Press the CONFIG button and select Time and Date Settings, or press . 2. Highlight Set Date Format. 3. Press SELECT to select MM/DD/YY (month/day/year) or DD/MM/YY (day/month/year). ...

    Battery
    The battery supplies power to start the engine and operate any additional electrical accessories. • To avoid break-down or failure to start the vehicle, maintain a battery with full crankin ...