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:
New for 2010
GM has dropped the long-running 6.0-liter V-8 engine from the Sierra lineup,
leaving the powerful 6.2-liter V-8 for heavy towing needs. The rest of the
Sierra's eight-cylinder lineup benefits from ...
Instrument Panel (Base/Uplevel Version)
Instrument Panel (Base/Uplevel Version)
A. Air Vents on page 8‑11.
B. Turn and Lane-Change Lever.
See Turn and Lane-Change Signals on page 6‑6.
Windshield Wiper/Washer on page 5 ...
Tow/Haul Mode
(Tow/Haul): The vehicle may have a Tow/Haul mode.
The button is located on the instrument panel under the climate controls.
Push the button to activate the system. Push it again to deactivate the s ...