Tow/Haul Mode; Full-Time Four-Wheel Drive - Hummer 2008 H2 Owner's Manual

Tow/Haul Mode

You can use this feature to assist when towing or
hauling a heavy load. See "Tow/Haul Mode" under
Towing a Trailer on page 4-55 for more information.

Full-Time Four-Wheel Drive

The transfer case on your Full-Time Four-Wheel Drive
vehicle is designed to constantly send the engine's
driving power to all four wheels for extra traction.
To get the most out of Full-Time Four-Wheel Drive,
you must be familiar with its operation.
Notice: Driving on pavement in Four-Wheel
High Lock or Four Wheel Low Lock for extended
periods may cause premature wear on your vehicle's
powertrain and tires. Do not drive in Four-Wheel
High Lock or Four-Wheel Low Lock on pavement for
extended periods.
2-36
Your vehicle is equipped
with a tow/haul mode.
The button is located on
the instrument panel
to the right of the
steering wheel.
Transfer Case Dial
The transfer case is a part of the Full-Time Four-Wheel
Drive system and allows the following four different
modes of operation:
m
4 (Full-Time Four-Wheel Drive): This setting is used
for driving in most street and highway situations.
It can be used for light or variable off-road conditions.
m Q
4 (Four-Wheel-High Lock): Use this mode when
you need extra traction in most off-road situations
such as sand, mud, snow, or level, rocky trails.
n Q
4 (Four-Wheel-Low Lock): This mode delivers
extra torque to all four wheels and is used for extreme
off-road conditions. Choose Four-Wheel-Low Lock while
driving off-road in deep sand, mud, or snow and climbing
or descending steep hills.
The transfer case dial is
located to the right of the
instrument panel cluster.
Use this switch to shift into
and out of the different
Full-Time Four-Wheel
Drive modes.