OnStar Personal Identification Number (PIN)

A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. To change the OnStar PIN, call OnStar and provide the Advisor with the current number.

    See also:

    Starting the Vehicle
    1. Aim the RKE transmitter at the vehicle. 2. Press . 3. Immediately after completing Step 2, press and hold until the turn signal lamps flash. When the vehicle starts, the parking lamps w ...

    Engine Power Messages
    ENGINE POWER IS REDUCED This message displays when the vehicle's engine power is reduced. Reduced engine power can affect the vehicle's ability to accelerate. If this message is on, but there i ...

    Footnotes — Maintenance Schedule Additional Required Services — Severe
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