Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

    See also:

    SBZA Messages
    The following messages may appear on the infotainment display: SIDE BLIND ZONE ALERT SYSTEM OFF: This message indicates that the driver has turned the system off. SIDE BLIND ZONE ALERT SYS ...

    California Perchlorate Materials Requirements
    Certain types of automotive applications, such as airbag initiators, safety belt pretensioners, and lithium batteries contained in Remote Keyless Entry transmitters, may contain perchlorate material ...

    EPB Release
    To release the EPB, turn the ignition switch to the ON/RUN position, apply and hold the brake pedal, and push down momentarily on the EPB switch. If you attempt to release the EPB without th ...