Cellular and GPS Antennas

Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle.

    See also:

    Power Outlets
    The accessory power outlets can be used to plug in electrical equipment, such as a cell phone or MP3 player. There are two accessory power outlets. One is located under the armrest inside the ...

    Jump Starting (On-board with eAssist Only)
    If the vehicle fails to crank, it may be jump started by using the eAssist battery to charge the 12-volt battery. Use the following procedure to activate the on-board jump start using the DIC ...

    Battery
    Refer to the replacement number shown on the original battery label when a new battery is needed. See Engine Compartment Overview  for battery location. WARNING Battery posts, terminals, an ...