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:

    Heated Mirrors
    (Rear Window Defogger): Press to heat the mirrors. See “Rear Window Defogger” under Dual Automatic Climate Control System for more information. ...

    Keyless Liftgate Opening
    Press the touch pad on the liftgate handle to open the liftgate if the keyless entry transmitter is within range. ...

    SERVICE KEYLESS START SYSTEM
    If the vehicle has the keyless access system, this message displays when there is a problem with this feature. See your dealer. ...