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:

    How to Add Coolant to the Recovery Tank
    WARNING: You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine. ...

    Updating Station & Category Lists
    If stations stored in the station list can no longer be received: 1. Turn the TUNE/MENU knob. 2. Select Update AM or FM Station List, if the stations stored in the station list are no longer recei ...

    Power Seats
    Power Seats To adjust the seat: • Move the seat forward or rearward by moving the horizontal control forward or rearward. • Raise or lower the front or rear part of the seat cushion b ...