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138 STARTING AND OPERATING
Selec-Terrain consists of the following positions:
ROCK – Off-road calibration is only available in
4WD LOW. The vehicle is raised (if equipped
with air suspension) for improved ground clear-
ance. Traction-based tuning with improved
steerability for use on high traction off-road
surfaces. Use for low speed obstacles such as
large rocks, deep ruts, etc. If equipped with air
suspension, the vehicle level will change to
Off-Road 2 (OR2). If the Selec-Terrain switch is
in ROCK mode, and the transfer case is
switched from 4WD LOW to 4WD HI, the
Selec-Terrain system will return to AUTO.
SAND/MUD – Off-road calibration for use on low
traction surfaces such as mud or sand. Driveline
is maximized for traction. Some binding may be
felt on less forgiving surfaces. The electronic
brake controls are set to limit traction control
management of throttle and wheel spin. If
equipped with air suspension, the level will
change to Off-Road 1 (OR1).
SNOW – Tuning set for additional stability in
inclement weather. Use on and off-road on
loose traction surfaces such as snow. When in
SNOW mode (depending on certain operating
conditions), the transmission may use SECOND
gear (rather than FIRST gear) during launches,
to minimize wheel slippage. If equipped with air
suspension, the default ride height for SNOW is
Normal Ride Height (NRH).
AUTO – Fully automatic full-time four-wheel
drive operation can be used on and off-road.
Balances traction with seamless steering feel to
provide improved handling and acceleration
over two-wheel drive vehicles. If the suspension
is already in OR1 or OR2, the vehicle will not
lower to NRH with Auto selection as to maintain
capability.
NOTE:
If equipped with air suspension, the level will only
raise to Normal Ride Height (NRH) in the AUTO
mode. If the vehicle is in OR1 or OR2 the height will
not lower automatically until defined speed
thresholds are exceeded.
SPORT – This mode is only available in 4WD HI.
When activated, the engine and transmission,
steering and suspension (if equipped with air
suspension) are all set to their SPORT settings.
SPORT mode will provide improved throttle
response and modified transmission shift
points as well as firmer suspension and
steering, the vehicle will also be dropped to Aero
Height for an enhanced driving experience.
When SPORT mode has been activated, an indi-
cator light will illuminate in the instrument
cluster.
INSTRUMENT CLUSTER DISPLAY
M
ESSAGES
When the appropriate conditions exist, a message
will appear in the instrument cluster Ú page 99.
QUADRA-LIFT — IF EQUIPPED
DESCRIPTION
The Quadra-Lift Air Suspension system provides
full time load leveling capability along with the
benefit of vehicle height adjustment by a toggle
switch. The vehicle will automatically raise and
lower the ride height to adapt to the appropriate
driving conditions. At higher speeds, the vehicle
will lower to an aerodynamic ride height and when
operating in off-road modes, the vehicle will raise
the ride height accordingly. The buttons near the
terrain switch in the center console area can be
used to set preferred ride height to match the
appropriate conditions.
22_WL_OM_EN_USC_t.book Page 138
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