wheel LEXUS LX570 2015 Owners Manual
[x] Cancel search | Manufacturer: LEXUS, Model Year: 2015, Model line: LX570, Model: LEXUS LX570 2015Pages: 960, PDF Size: 11.33 MB
Page 323 of 960

3232-4. Using other driving systems
2
When driving
LX570_OM_OM60L96U_(U) Conditions for changing the vehicle height mode
Some modes may not be selectable depending on the vehicle speed
when the four-wheel drive control sw itch is in the “H4” position. Refer to
the following table.
Easy access mode
You can select this mode for easy
access and easy loading of the
vehicle.
If the “ENGINE START STOP” switch is turned to OFF within 30 seconds after
the vehicle stops while this mode is on, the vehicle height is lowered automati-
cally.
When the vehicle begins to lower a beep will sound twice, and while the vehicle
is lowering the indicator light will flash to alert the driver and surrounding peo-
ple that the vehicle is lowering. Low mode Normal mode High mode
Under 7 mph (12 km/h) Yes Yes Yes
7 mph (12 km/h) to
18 mph (30 km/h) No Yes Yes
18 mph (30 km/h) or over No Yes No
Page 325 of 960

3252-4. Using other driving systems
2
When driving
LX570_OM_OM60L96U_(U) ■
Operating conditions ●
The engine must be running. ●
Vehicle height control must be turned off. ●
All side doors and the back door must be closed.■
Switching vehicle height mode while the engine is stopped●
If the engine is stopped while the vehicle height is being lowered, lowering will
continue. ●
If any luggage is removed from the vehicl e or if any occupants leave the vehicle
within approximately 30 seconds of the “ENGINE START STOP” switch being
turned OFF, the vehicle height may be lo wered by the auto leveling function.●
Operating the height select switch will have no effect while the engine is
stopped.■
Automatic change in vehicle height when the four-wheel drive control switch is
in the “L4” position
If the vehicle speed exceeds 2 mph (3 km/h) while driving on an uneven road with
the four-wheel drive control switch in the “L4” position, high mode is automatically
selected. (On even roads, the height mode will not change.) ■
Automatic change in vehicle height when in the high mode ●
If the vehicle speed exceeds 18 mph (30 km/h) with the four-wheel drive con-
trol switch in the “H4” position, normal mode is automatically selected. ●
If the vehicle speed exceeds 25 mph (40 km/h) with the four-wheel drive con-
trol switch in the “L4” position, the ve hicle height is lowered to 1.0 in. (25 mm)
higher than the normal mode height. If the vehicle speed drops to 12 mph (20
km/h) or less, high mode is automatically resumed.
Page 326 of 960

3262-4. Using other driving systems
LX570_OM_OM60L96U_(U) ■
Extra high mode
If the vehicle becomes stuck or the Craw l Control system requests the vehicle
height be raised, extra high mode may be automatically selected when the vehicle
height is in high mode with the four-wheel drive control switch in the “L4” position.
The vehicle height is raised to 0.8 in. (20 mm) higher than the high mode height, or
slightly higher. ●
Extra high mode will change back to high mode when:
• The vehicle speed exceeds 6 mph (10 km/h)
• The four-wheel drive control switch is shifted to “H4”. ●
If you pull the height select switch to “ ” when in extra high mode, normal mode
is selected. ●
Extra high mode cannot be manually selected.■
Turning off the height control ●
The system will rema in off until the height contro l OFF switch is pushed again,
even if the “ENGINE START STOP” switch is turned off. ●
Even if the system is turned off, the sy stem automatically modulated if the vehi-
cle speed exceeds following.
• 18 mph (30 km/h) with high or low mode
• 50 mph (80 km/h) with normal mode
Page 327 of 960

3272-4. Using other driving systems
2
When driving
LX570_OM_OM60L96U_(U) ■
Automatic leveling function
The vehicle is adjusted to a fixed height for each mode, regardless of the number of
occupants and the luggage load. ●
However the vehicle cannot be raised if the vehicle load exceeds the following
limits:
• Up to 4 occupants
* plus approximately 661 lb. (300 kg) in the normal mode
• Up to 4 occupants
* plus approximately 441 lb. (200 kg) in the high mode
* : average weight 150 lb. (68 kg) per person●
If the vehicle height cannot be raised when in the normal mode, and “LO”
appears on the display, the vehicle is loaded too heavily. Take extra care when
driving in this condition.
If the vehicle height cannot be raised ev en after unloading the vehicle, pull the
height select switch to “ ” then push to “ ”. If the vehicle height still cannot be
raised, turn the ignition off then on again, then try once more.■
When the vehicle is st opped during driving
The activation of the automatic leveling function may cause the vehicle height to
change. This is not a malfunction. ■
If the vehicle height does not change
If the vehicle is loaded too heavily, or the undercarriage has come into contact with
the road surface, the vehicle height cannot be raised/lowered. ■
In the following cases the 4-Wheel AHC will not operate ●
The brake pedal has been depressed for a few seconds or longer while the vehi-
cle is stopped. ●
Vehicle height control has not been frequently used. ●
The suspension fluid temperature is lower than -22°F (-30°C). ●
There is ice on the suspension. ●
Driving on bumpy roads which may caus e the suspension to fully elongate.●
If the steering wheel is abruptly turned more than 3/4 of a revolution with the
center differential lock system activated.
Page 328 of 960

3282-4. Using other driving systems
LX570_OM_OM60L96U_(U) ■
Cold weather operation
It may take longer for the vehicle height to change if the suspension fluid tempera-
ture drops below 5°F (-15°C).
The 4-Wheel AHC does not operate when the suspension fluid temperature drops
below -22°F (-30°C). ●
In this case, even if the height select switch is pressed, the vehicle height will not
change. Once the vehicle has been driven for a short time and the suspension
fluid has been warmed to within normal operating limits, the 4-Wheel AHC will
begin operating and the vehicle height wi ll automatically change to the selected
mode. ●
When the suspension fluid is around -22°F (-30°C), the vehicle height may not
be able to be raised, even if the 4-Wheel AHC is operating. In this case, pull the
height select switch to “ ” then push to “ ” after driving for a short time longer
to select the desired vehicle height.■
Parking and stopping tips ●
If you immediately stop the engine after off-road driving, the vehicle height may
gradually lower. When parking, make su re there is nothing under the vehicle
that may come in contact with the underbody. The vehicle will return to the set
height when the engine is started. ●
The vehicle height may change as the temperature changes when the engine is
stopped. The vehicle will return to the set height when the engine is started.■
Propeller shaft noise
If the vehicle height is adjusted on a slope, or with the shift lever in a position other
than “P” or “N” while the vehicle is stop ped, you may hear a sound caused by the
expansion and contraction of the propeller shaft. This does not indicate a malfunc-
tion. ■
4-Wheel AHC failure warning
If a malfunction occurs in the 4-Wheel AHC, normal mode is automatically
selected. However, the system may not sw itch to normal mode depending on the
location of the malfunction.
The warning message is displayed on the multi-information display, and the 4-
Wheel AHC cannot be activated until the malfunction is corrected.
Stop the engine and start it again. If th e warning message turns off, the system is
operating correctly. If the warning message continues to be displayed, have the
vehicle checked at your Lexus dealer as soon as possible.
Page 331 of 960

3312-4. Using other driving systems
2
When driving
LX570_OM_OM60L96U_(U) AVS (Adaptive Variable Suspension system) ■
Driving mode ●
Mode is suitable for ordinary driving. ●
Mode is suitable for heavy load or driving on a unpaved road. ●
With the four-wheel drive control switch at “L4”, the damping effect suitable for
off-road driving will be provided.AVS controls the suspension according to the road and driving conditions.
Selecting an optimum driving mode assists good riding comfort and stabil-
ity.
For driving on a bumpy road
For ordinary driving such as
in the city traffic
For sporty type driving such
as on winding mountain
roads and high speed driving
Page 332 of 960

3322-4. Using other driving systems
LX570_OM_OM60L96U_(U) Four-wheel drive system Use the four-wheel drive control switch and center differential lock/
unlock switch to select the following transfer and center differential
modes.
■ Four-wheel drive control switch
“H4” (high speed position) Normal driving on all types of
roads.
“L4” (low speed position) Driving requiring maximum
power and traction such as
climbing or descending steep
hills, off-road driving, and hard
pulling in sand or mud, etc.
■ Center differential lock/unlock switch
Lock the center differential
when your vehicle’s wheels get
stuck in a ditch or when driving
on a slippery or bumpy surface. Unlock the center differential
after the wheels have been
freed, or after moving to a flat,
Page 333 of 960

3332-4. Using other driving systems
2
When driving
LX570_OM_OM60L96U_(U) Shifting between “H4” and “L4”
■ Shifting from “H4” to “L4”
Stop the vehicle completely.
Shift the shift lever to “N”.
Push and shift the fo ur-wheel drive contro l switch to “L4”.Maintain this condition until the low speed four-wheel drive indicator
light turns on.
■ Shifting from “L4” to “H4”
Stop the vehicle completely.
Shift the shift lever to “N”.
Shift the four-wheel drive control switch to “H4”.Maintain this condition until the low speed four-wheel drive indicator
light turns off.■
The four-wheel drive control switch can be operated when ●
The “ENGINE START STOP” switch is in IGNITION ON mode. ●
The shift lever is in the “N” position. ●
The vehicle is stopped completely.■
The low speed four-wheel drive indicator light
The indicator light blinks while shifting between “H4” and “L4”. STEP 1
STEP 2
STEP 3
STEP 1
STEP 2
STEP 3
Page 334 of 960

3342-4. Using other driving systems
LX570_OM_OM60L96U_(U) ■
Advice for driving on slippery roads ●
If you shift the four-wheel drive control switch to “L4” and the shift lever to the
“2” range of “S” or “D” (vehicles with paddle shift switches) while driving in
steep off-road areas, the output of the brake can be controlled effectively by the
Active TRAC, which assists the driver to control the driving power of 4 wheels. ●
Use the “1” range of “S” or “D” (vehicles with paddle shift switches) of the shift
lever for maximum power and traction wh en your wheels get stuck or when
driving down a steep incline.■
The center differential lock indicator light
The indicator light blinks while lock ing/unlocking the center differential.■
The center differential lock/unlock switch can be operated when ●
The “ENGINE START STOP” switch is in IGNITION ON mode.●
The vehicle speed is less than 60 mph (100 km/h).■
Locking/unlocking the center differential ●
When the four-wheel drive control switch is in L4 with the center differential
locked, VSC is automatically turned off. (The center differential lock and VSC
OFF indicator lights come on.) ●
If the operation is not completed, the center differential lock indicator blinks. If
the indicator light does not turn off when unlocking the center differential, drive
straight ahead while accelerating or decelerating, or drive in reverse. ●
If the center differential lock/unlock is not completed within 5 seconds while
the cruise control system is on, cancel the cruise control system.
Page 335 of 960

3352-4. Using other driving systems
2
When driving
LX570_OM_OM60L96U_(U) ■
If the low speed four-wheel drive indicato r light or the center differential lock
indicator light blinks ●
If the low speed four-wheel drive indicat or light continues to blink when using
the four-wheel drive control switch, stop the vehicle completely, move the shift
lever to “N” and operate the switch again. ●
If the shift lever is moved before the low speed four-wheel drive indicator turns
on/off, the transfer mode may not be shifted comple tely. The transfer mode dis-
engages both the front and rear driveshafts from the powertrain and allows the
vehicle to move regardless of the shift po sition. (At this time, the indicator blinks
and the buzzer sounds.)
Therefore, the vehicle is free to roll even if the automatic transmission is in “P”.
You or someone else could be seriously injured. You must complete the shifting
of the transfer mode.
To complete the shifting, stop the vehicle completely, return the shift lever to “N”,
and confirm that the shift was comp leted (the indicator turns on/off).●
If the engine coolant temperature is t oo low, the four-wheel drive control sys-
tem may not be able to shift. When the engine is warmer operate the switch
again.
If the low speed four-wheel drive indicator li ght or the center diff erential lock indi-
cator light continues to blink even after attempting the above, there may be a mal-
function in the engine, the brake system or the four-wheel drive system. In this case,
you may not be able to shift between “H4” and “L4”, and the center differential lock
may not be operable. Have the vehicle in spected by your Lexus dealer immedi-
ately.