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STARTING AND OPERATING 127
Normal Ride Height (NRH) – This is the standard posi-
tion of the suspension and is meant for normal driving.
Off-Road 1 (OR1) (Raises the vehicle approximately
1.2 inches [30 mm]) – This is the primary position for
all off-road driving until OR2 is needed. A smoother and
more comfortable ride will result. Push the toggle
switch forward once from the NRH position while the
vehicle speed is below 38 mph (61 km/h). When in the
OR1 position, if the vehicle speed remains between
40 mph (64 km/h) and 50 mph (80 km/h) for greater
than 20 seconds or if the vehicle speed exceeds
50 mph (80 km/h), the vehicle will be automatically
lowered to NRH
Ú page 183. OR1 is unavailable on
4x2 air suspension vehicles.
Off-Road 2 (OR2) (Raises the vehicle approximately
2.0 inches [51 mm]) – This position is intended for
off-roading use only where maximum ground clearance
is required. To enter OR2, push the toggle switch
forward twice from the NRH position or once from the
OR1 position while vehicle speed is below 20 mph
(32 km/h). While in OR2, if the vehicle speed exceeds
25 mph (40 km/h) the vehicle height will be automati-
cally lowered to OR1
Ú page 183. OR2 is unavailable
on 4x2 air suspension vehicles.
Aero Height (Lowers the vehicle approximately
-0.6 inches [-15 mm]) – This position provides
improved aerodynamics by lowering the vehicle. The
vehicle will automatically enter Aero Height when the
vehicle speed remains between 62 mph (100 km/h)
and 66 mph (106 km/h) for greater than 20 seconds
or if the vehicle speed exceeds 66 mph (106 km/h).
The vehicle will return to Default Ride Height from Aero
Height if the vehicle speed remains between 30 mph
(48 km/h) and 35 mph (56 km/h) for greater than
20 seconds or if the vehicle speed falls below 30 mph
(48 km/h). The vehicle will enter Aero Height, regard-
less of vehicle speed if the vehicle is in “SPORT” mode.
Entry/Exit Height (Lowers the vehicle approximately
-1.6 inches [-40 mm]) – This position lowers the
vehicle for easier passenger entry and exit as well as
lowering the rear of the vehicle for easier loading and
unloading of cargo. To enter Entry/Exit Height, push the
toggle switch down twice from NRH while the vehicle
speed is below 6 mph (10 km/h). To exit Entry/Exit
Height, push the UP button once while in Entry/Exit
Height or drive the vehicle over 4 mph (6 km/h).
NOTE:
Automatic lowering of the vehicle into Entry/Exit Height
can be enabled through the Uconnect Touchscreen Radio.
If this feature is enabled, the vehicle will only lower if the
gear selector is in PARK, the terrain switch is in AUTO, the
transfer case is in AUTO and the vehicle level is either in
Normal or Aero Height. The vehicle will not automatically
lower if the air suspension level is in OR2 or OR1. When
towing, the automatic Entry/Exit feature may be disabled
through the Uconnect Touchscreen Radio to prevent
vehicle and trailer movement when gear selector is moved
to PARK.
The Selec-Terrain system will automatically change the
vehicle to the proper height based on the position of the
Selec-Terrain switch. The height can be changed from the
default Selec-Terrain setting by normal use of the air
suspension buttons
Ú page 125.
The system requires that the engine be running for all
changes. When lowering the vehicle all of the doors,
including the liftgate, must be closed. If a door is opened
at any time while the vehicle is lowering the change will not
be completed until the open door(s) is/are closed.
The Quadra-Lift Air Suspension system uses a lifting and
lowering pattern which keeps the headlights from
incorrectly shining into oncoming traffic. When raising the
vehicle, the rear of the vehicle will move up first and then
the front. When lowering the vehicle, the front will move
down first and then the rear.
After the engine is turned off, it may be noticed that the air
suspension system operates briefly; this is normal. The
system is correcting the position of the vehicle to ensure a
proper appearance.
To assist with changing a spare tire, the Quadra-Lift Air
Suspension system has a feature which allows the
automatic leveling to be disabled
Ú page 186.
NOTE:
Default Ride Height:
Select Aero Height or Normal Ride Height as the default
for all vehicle speeds and operation. This is the
selected height that the suspension will level for speed
changes (e.g. raising from Entry/Exit Height at speed,
lowering from Off Road Height at speed, etc.).
Default ride height can be changed by manually
adjusting the Quadra-Lift switch to Normal Ride Height
or Aero Ride Height and stay in the selected height for
2.5 seconds. It will be stored as the default ride height
and the height will be maintained until a new default
ride height is selected.
If equipped with a Uconnect Touchscreen Radio, all
enabling/disabling of air suspension features must be
done through the radio
Ú page 186.
4
22_WS_OM_EN_USC_t.book Page 127
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