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LX570_OM_OM60R07U_(U) 4-5. Using the driving support systems
4
Driving
Crawl Control (with Turn Assist function) ON/OFF switch
Speed selection switch
Indicators The Crawl Control indicator is lit and
the slip indicator flashes when operat-
ing.
Multi-information display The operating status and speed select
status of the Crawl Control are shown
on the multi-information display.Allows travel on extremely rough off-ro ad surfaces at a fixed low speed with-
out pressing the accelerator or brake pedal. Minimizes loss of traction or
vehicle slip when driving on slippery ro ad surfaces, allowing for stable driving.
Crawl Control switches 1
2
3
4
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LX570_OM_OM60R07U_(U) 4-5. Using the driving support systems
The following table shows some typical
terrains and the recommended speed
modes.
This function assists cornering perfor mance in accordance with steering opera-
tion when driving through a tight corner. It maintains vehicle speed while driving
and reduces the number of turns needed to navigate a corner that requires turn-
ing the wheel in the opposite direction.
Press the Turn Assist switch while
Crawl Control is operating. Turn Assist indicator will come on.
To turn the system off, press the switch
again.Speed modes
Mode Road condition
Lo Rock, mogul (downhill) and gravel (down-
hill)
Lo-Med
Mogul (uphill)
Med
Snow, mud, gravel (uphill), sand, dirt,
mogul (uphill) and grassMed-Hi
Hi
Turn Assist function 1
2
3
4
5
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LX570_OM_OM60R07U_(U) 3154-5. Using the driving support systems
4
Driving
Crawl Control
Press the ON/OFF switch while Crawl Cont rol is operating. If the switch is
turned off, the slip indicator and the Turn Assist indicator will go off (if the Turn
Assist function is in use), the Crawl Co ntrol indicator will flash until the system
has turned off completely, and a messag e stating that Crawl Control has been
turned off will be displayed on the multi- information display fo r several seconds.
When turning off Crawl Control while driv ing, stop the vehicle before the Crawl
Control indicator turns off, or drive extremely carefully.
Turn Assist function
Press the Turn Assist switch while the Turn Assist function is operating. When the
switch is pressed, the Turn Assist indicat or will go off, and a message stating that
the Turn Assist function ha s been turned off will be di splayed on the multi-infor-
mation display for several seconds. ■
The Crawl Control and Turn Assist function can be operated when
Crawl Control ●
The engine is running. ●
The shift lever is in any gear other than P or N.●
The four-wheel drive control switch is in L4. ●
The driver’s door is closed.
Turn Assist function ●
Crawl Control is operating. ●
The center differential is not locked. ●
The accelerator and brake are not being operated. ●
The shift lever is in any ge ar other than P, R or N.●
The steering wheel is turned very far.When the system is turned off
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LX570_OM_OM60R07U_(U) 4-5. Using the driving support systems■
Automatic system cancelation
Crawl Control
In the following situations, the buzzer will sound intermittently an d Crawl Control will be
canceled automatically. In this event, the Crawl Control indicator will flash and then go
off, the Turn Assist indicator will go off (if th e Turn Assist function is in use), and a message
stating that Crawl Cont rol has been turned off will be di splayed on the multi-information
display for several seconds. ●
When the shift lever is moved to P or N. ●
When the four-wheel drive control switch is in H4. ●
When the driver’s door is opened.
Turn Assist function
When the center differential is locked, the buzzer will sound inte rmittently and the Turn
Assist function will be canceled automatically. In this event, the Turn Assist indicator will
go off, and a message stating that the Turn Assi st function has been turned off will be dis-
played on the multi-informatio n display for several seconds.■
Function limitations
Crawl Control ●
In the following situations, brake control can be used to drive downhill at a constant
speed. However, engine control is not available when drivin g uphill at a co nstant speed.
•When switched to second start mode.●
In the following situation, engine control an d 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).
Turn Assist function
In the following situations, the Turn Assist func tion 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 malfunc-
tion notification will be displayed on the multi-information display, the Crawl Control
indicator will go off, and Crawl Control will be temporarily inoperable as a result of the
brake system overheating. In this event, stop the vehicle immediately in a safe place,
and allow the brake system to cool down sufficiently until the TRAC OFF indicator
goes off. (In the meantime, 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 malfunct ion notification will be displayed on the
multi-information display as a result of th e automatic transmission system overheating.
Stop the vehicle in a safe place until the display goes off. ■
When depressing the accelerator pedal while the Crawl Control is operating
Multi-terrain Select operates in AUTO mode. ( P. 319)
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LX570_OM_OM60R07U_(U) 3174-5. Using the driving support systems
4
Driving ■
Sounds and vibrations caused by the Crawl Control system●
A sound may be heard from the engine compartment when the engine is started or just
after the vehicle begins to move. This soun d does not indicate that a malfunction has
occurred in Crawl Control system. ●
Either of the following conditions may occu r when the Crawl Contro l system is operat-
ing. 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 afte r 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. 523, 531)
WARNING ■
When using Crawl Control and Turn Assist function
Do not rely solely on the Crawl Control and Turn Assist function. This function does not
extend the vehicle’s performance limitations . Always thoroughly check the road condi-
tions, and drive safely. ■
These conditions may cause the system not to operate properly
When driving on the following surfaces, the sy stem may not be able to maintain a fixed
low speed, which may re sult 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 ef fective on paved road surfaces.
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LX570_OM_OM60R07U_(U) 4-5. Using the driving support systems
Multi-terrain Select
When the Crawl Control is turned off
Select a mode that most closely matche s the type of terrain on which you are
driving from among 5 modes.
Brake control can be optimized in accordance with the selected mode.
When the Crawl Control is turned on
A mode which matches the road conditions is automatically selected by
depressing the accelerator pedal (AUTO mode).
Multi-terrain Select mode selector
switch
Multi-terrain Select indicator
Multi-information display
Displays status information including
operating status and road type
selection.Multi-terrain Select is a system that he lps drivability in off-road situations.
Multi-terrain Select switch/indicators 1
2
3
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LX570_OM_OM60R07U_(U) 3194-5. Using the driving support systems
4
Driving When the Crawl Contro l is turned off, a
mode which matches the road condi-
tions can be selected from among the
following 5 modes.
MUD & SAND
LOOSE ROCK
MOGUL
ROCK & DIRT
ROCK
When the Crawl Control is turned on, th e most suitable mode is automatically
selected according to the Cr awl Control mode selected.
When all of the following conditions are satisfied, the Multi-terrain Select indica-
tor will come on, the mode select screen will be displayed on the multi-informa-
tion display, and Multi-terr ain Select control will begin.●
The four-wheel drive control switch is in “L4”. ●
Both Active TRAC and VSC are not off.Selectable modes 1
2
3
4
5
Mode Road Conditions
MUD & SAND Suitable for muddy roads, sandy roads, snow-covered roads, dirt
trails and other slippery or dirty conditions
LOOSE ROCK Suitable for slippery conditions consisting of mixtures of earth
and loose rock
MOGUL Suitable for a wide range of off- road conditions, particularly very
bumpy conditions
ROCK & DIRT Suitable for very bumpy road cond itions, such as mogul or rocky
roads.
ROCK Suitable for rocky terrain
Multi-terrain Select control starting conditions
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LX570_OM_OM60R07U_(U) 4-5. Using the driving support systems
Operate the Multi-terrain Select mode
selector switch du ring Multi-terrain
Select control to select a mode. Once the mode is confirmed, the mode
name will be displayed and the control
will switch. ■
Automatic system cancelation
In the following situations, the Multi-terrain Select indicator will go off, and Multi-terrain
Select will be canceled automatically. ●
When the four-wheel drive control switch is in H4. ●
When Active TRAC and VSC are off. ■
When it is difficult to generate traction
MUD & SAND mode provides the largest amou nt of tire slippage, followed by LOOSE
ROCK, MOGUL, ROCK & DIRT and ROCK mode.
Drivability can be improved by selecting a mo de which provides a smaller amount of tire
slippage than the current mode when the amount of tire slippage is large, or conversely
selecting a mode which provides a larger amou nt of tire slippage than the current mode
when the amount of tire slippage is small. ■
When the vehicle is stuck
Switching the transfer and differential
For the operation of the following func tions, refer to th e following pages.●
Four-wheel drive system ( P. 309)●
Center differential lock ( P. 310)■
When the brake system operates continuously
The brake system may overheat. In this case , a buzzer will sound, the TRAC OFF indica-
tor will flash, and Multi-terrain Select will be temporarily inoperable. In this event, stop
the vehicle immediately in a safe place, and allow the brake system to cool down suffi-
ciently. (There is no problem wi th continuing normal driving.)
After a short time, the TRAC OFF indicator will go off, and you will be able to use Multi-
terrain Select. ■
When there is a malfunction in the system
The slip indicator light will come on. Have the vehicle in spected by your Lexus dealer
immediately.Switching modes