See also:

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. ...

Shifting Into Four-Wheel Drive Low
When Four-Wheel Drive Low is engaged, vehicle speed should be kept below 72 km/h (45 mph). Extended high-speed operation in Four-Wheel Drive Low may damage or shorten the life of the drivetrain. To ...

Power Outlet 120 Volt Alternating Current
The vehicle may have a power outlet that can be used to plug in electrical equipment that uses a maximum limit of 150 watts. The power outlet is located on the rear of the center console. An indic ...