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:
Under the Hood
A 3.5-liter V-6 produces 201 horsepower in front-wheel-drive Terrazas, and
196 hp in all-wheel-drive models. The new 3.9-liter V-6 features variable valve
timing and develops 240 hp and 240 pounds ...
Tire Pressure Light
For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on
briefly when the engine is started. It provides information about tire pressures
and the TPMS. ...
Limited-Slip Differential
Vehicles with a limited-slip
differential can give more traction on
snow, mud, ice, sand, or gravel.
It works like a standard differential
most of the time, but when traction
is low, this fea ...