2014 LEXUS LX570 stop start

3232-4. Using other driving systems
2
When driving
LX570_OM_OM60L21U_(U) ■
Switching vehicle height mode while the engine is stopped●
If the engine is stopped wh ile the vehicle height is being lowered, lowering will
continue. ●
If any luggage is removed from the vehicle 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 lowered 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, no rmal 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 vehicle 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.■
Extra high mode
If the vehicle becomes stuck or the Crawl 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. (2 0 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.

3242-4. Using other driving systems
LX570_OM_OM60L21U_(U) ■
Turning off the height control ●
The system will remain of f until the height control OFF switch is pushed again,
even if the “ENGINE START STOP” switch is turned off. ●
Even if the system is turned off, the system 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■
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 even 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.

3252-4. Using other driving systems
2
When driving
LX570_OM_OM60L21U_(U) ■
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 cause 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.■
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.

3262-4. Using other driving systems
LX570_OM_OM60L21U_(U) ■
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 stopped, you may hear a sound caused by the
expansion and contraction of the propeller shaft. This does no t 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 th e 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 messag e continues to be displayed, have the
vehicle checked at your Lexus dealer as soon as possible.

3312-4. Using other driving systems
2
When driving
LX570_OM_OM60L21U_(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 four-wheel drive control 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

3322-4. Using other driving systems
LX570_OM_OM60L21U_(U) ■
Advice for driving on slippery roads ●
If you shift the four-wheel drive control sw itch 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 when your wheels get stuck or when
driving down a steep incline.■
The center differential lock indicator light
The indicator light blinks while locking/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, ca ncel the cruise control system.

3402-4. Using other driving systems
LX570_OM_OM60L21U_(U) ■
Function limitations
Crawl Control ●
In the following situations, brake control can be used to drive downhill at a con-
stant speed. However, engine control is not available when driving uphill at a
constant speed.
• When switched to second start mode. ●
In the following situation, engine control and brake control will stop temporarily.
In this event, the Crawl Control indicator will flash.
• When the vehicle speed exceeds approximately 15 mph (25 km/h).
Tu r n A s s i s t f u n c t i o n
In the following situations, the Turn Assist fu nction will stop temporarily. In this event,
the Turn Assist indicator will flash. ●
When the vehicle speed exceeds approximately 6 mph (10 km/h).●
When the shift lever is moved to “R”.■
When the Crawl Control system is operated continuously ●
If Crawl Control is used continuously for a long time, the buzzer will sound, a
malfunction notification will be displaye d on the multi-information display, the
Crawl Control indicator will go off, and Crawl Control will be temporarily inop-
erable as a result of the brake system over heating. In this event, stop the vehicle
immediately in a safe place, and allow the brake system to cool down sufficiently
until the “TRAC OFF” on the multi-inform ation display goes off. (In the mean-
time, normal driving is possible.) ●
If Crawl Control is used continuously for a long time, the buzzer will sound, the
system will be temporarily canceled, and a malfunction notification will be dis-
played on the multi-information display as a result of the automatic transmission
system overheating. Stop the vehicle in a safe place until the display goes off.

3412-4. Using other driving systems
2
When driving
LX570_OM_OM60L21U_(U) ■
Sounds and vibrations caused by the Crawl Control system ●
A sound may be heard from the engi ne compartment when the engine is
started or just after the vehicle begins to move. This sound does not indicate that
a malfunction has occurred in Crawl Control system. ●
Either of the following conditions may occur when the Crawl Control system is
operating. None of these are indicators that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.■
When there is a malfunction in the system
Warning lights and/or warnin g messages will turn on. (  P. 8 2 2 , 8 4 7 )
CAUTION■
When using Crawl Control and Turn Assist function
Do not rely solely on the Crawl Control an d Turn Assist function. This function does
not extend the vehicle’s performance limitations. Always thoroughly check the road
conditions, and drive safely. ■
These conditions may cause the system not to operate properly
When driving on the following surfaces, th e system may not be able to maintain a
fixed low speed, which may result in an accident: ●
Extremely steep inclines. ●
Extremely uneven surfaces. ●
Snow-covered roads, or other slippery surfaces.
NOTICE■
When using Turn Assist function
The Turn Assist function is a function to assist turning performance when driving off
road. The function may be less effective on paved road surfaces.