Towing
See also:
Power Liftgate 3/4 Mode
To program the liftgate opening height:
1. Turn the liftgate switch to either the MAX , or the 3/4 mode position and
power open the liftgate.
2. Stop the liftgate movement at the desired height by ...
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 ...
Hill and Mountain Roads
Driving on steep hills or through mountains is different than driving on flat or rolling terrain. Tips for driving in these conditions include:
• Keep the vehicle serviced and in good shape.
• C ...





