Engine mode Lexus GX460 2021 / Workshop Manual

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GX460_OM_OM60T19U_(U)4-5. Using the driving support systems
Rear view monitor system
The rear view image is displayed when
the shift lever is in R and the engine
switch is in IGNITION ON mode.
The rear view monitor system will be
deactivated when the sh
ift lever is in any
position other than R.
When the shift lever is shifted to R and
any mode button (such as “SETUP”) is
pressed, the rear view monitor system is
canceled, and the screen is switched to
the mode of the button that was pressed.
: If equipped
The rear view monitor system assists th e driver by displaying guide lines and
an image of the view behind the vehi cle while backing up, for example while
parking.
The screen illustrations used in this text are intended as examples, and may dif-
fer from the image that is actually displayed on the screen.

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Driving
■Screen description
The rear view monitor system screen will be displayed if the shift lever is
shifted to R while the engine switch is in IGNITION ON mode.
Vehicle width extension guide line
The line indicates a guide path when the vehicle is being backed straight up.
The displayed width is wider than the actual vehicle width.
Vehicle center guide line
The line indicates the estimated vehicle center on the ground.
Distance guide line (red)
The line shows distance behind the vehicle, a point approximately 1.5 ft. (0.5 m) from
the edge of the bumper.
Distance guide line (blue)
The line shows distance behind the vehicle, a point approximately 3 ft. (1 m) from the
edge of the bumper.
Using the rear view monitor system
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GX460_OM_OM60T19U_(U)4-5. Using the driving support systems
■Displaying the Multi-terrain Monitor screen
The Multi-terrain Monitor screen will be
displayed when the VIEW switch is
pressed while the engine switch is in IGNITION ON mode.
When the vehicle speed exceeds a certain value for a specific amount of time, the
display returns to the navigation or information display screen.
The amount of time that the Multi-terrain Monitor is displayed differs depending
on conditions such as the vehicle speed. ( P. 301)
VIEW switch
Display
Using the Multi-terrain Monitor screen
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GX460_OM_OM60T19U_(U)4-5. Using the driving support systems
●Slip display
When tire slippage is detected,
the tilt meter display area is auto-
matically switched to the slip dis-
play.
Tire display
Indicates the position of freely
spinning tires in yellow if the tire
spins. (During Crawl Control is
operating, all of the tires are indi-
cated in yellow.)
Pop-up display of the intuitive parking assist
Displayed if an obstacle is detected wh ile the intuitive parking assist is turned
on.
Pop-up display of the Rear Cross Traffic Alert function
Displayed if a vehicle approaching from right or left rear of the vehicle is
detected while the Rear Cross Traf fic Alert function is turned on.
■Front view & dual side view display
The screen can be displayed when the shift lever is in P, D or N.
■Front view rotating display function
●The vehicle inclination displayed on the screen may differ from the actual state.
●When the rotated screen is displayed, the corners of the front bumper may not be seen
on the screen.
■Tilt meter display
●The display indicates the incline of the vehicle in degrees shown by the movement of
the pointer and the rotation of the vehicle image.
●The color of the degree markers of incline to the front, rear, left and right changes
according to the current incline of the vehicle.
●After the engine switch is turned to IGNITI ON ON mode, the degree of incline is not
displayed until such info rmation is determined.
●The degree of incline showed on the tilt meter is only an approximate indication, and
may differ from the degree of incline measured using other equipment.
■Tilt meter/slip display
When the intuitive parking assist or the Rear Cross Traffic Alert function detects an
obstacle or another vehicle, a warning message po ps up in the tilt meter/slip display area.
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GX460_OM_OM60T19U_(U)4-5. Using the driving support systems
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Driving
Rear height control air suspension
Height control OFF button
Height control switch
Operating the switch changes ve hicle rear height as follows:
Higher
Lower
Vehicle height can be adjusted only
when the engine is running.
The selected height mode will be
shown on the multi-information display.
The selected mode will flash while the
height mode is being changed.
: If equipped
The rear height control air suspension allows the driver to control vehicle rear
height in order to adjust driving condit ions. Select the desired height with the
height control switch.
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Selecting vehicle height
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GX460_OM_OM60T19U_(U)4-5. Using the driving support systems
■Height modes
●N mode (normal mode): For ordinary driving
Normal height
●HI mode (high mode): For driving on bumpy roads
1.6 in. (40 mm) higher than the normal rear height
HI mode cannot be selected when vehicle speed exceeds 18 mph (30
km/h).
●LO mode (low mode): For the ease
of egress/ingress and loading luggage
0.8 in. (20 mm) lower than the normal rear height
LO mode cannot be selected when vehicle speed exceeds 7 mph (12 km/h).
When the height control OFF button is
pressed with the vehicle stopped, the
vehicle height is fixed at the current
height.
This status is memorized in the system
even after the engine is stopped.
The height can be adjusted by pressing
the height control OFF button again.
When vehicle speed exceeds 18 mph (30 km/h), the rear height control air suspen-
sion turns on automatically.
Disabling the height control

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Driving
■When HI mode is selected
The vehicle height will change to N mode when driving at the speeds of 18 mph (30 km/h).
Even if vehicle speed is then reduced to un der 18 mph (30 km/h), height will not return to
HI mode.
■When LO mode is selected
The vehicle height will change to N mode when vehicle speed exceeds 7 mph (12 km/h).
Even if vehicle speed is then reduced to un der 7 mph (12 km/h), height will not return to
LO mode.
■Automatic leveling function
Regardless of the number of occupants and the luggage load, vehicle height in any mode
is always adjusted to a fixed height by the automatic leveling function.
■The rear height control air suspension will not operate in the following cases:
●The underbody of the vehicle is touching the surface of the road.
●The area around the suspension is covered with ice.
■Even if you hear an operating noise
This does not indicate a problem in th e rear height control air suspension.
■Parking and stopping tips
●If you immediately stop the engine after off- road driving, or park the vehicle for a long
time, the vehicle height may gradually lower. When parking, make sure 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.
■When lowering the vehicle
In order to prevent the vehicle height from rising as occupants leave the vehicle, lowering
control will occur for a short while after the engine has been stopped.
■The rear height control air suspension failure warning
●If a malfunction occurs in the rear height control air suspension, N mode is automati-
cally selected. However, the system may not switch to N mode depending on the loca-
tion of the malfunction.
●The “CHECK AIR SUSPENSION SYSTEM”/“C heck air suspension system” is dis-
played on the multi-information display, and the rear height control air suspension can-
not be activated until the malfunction is corrected.
Stop the engine and start it again. If the warning message turns off, the system is operat-
ing correctly. If the warning message continues to be displayed, have your vehicle
inspected by your Lexus dealer as soon as possible.

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GX460_OM_OM60T19U_(U)4-5. Using the driving support systems
WARNING
■The rear height control air suspension must be turned off
Be sure to observe the following precautions. Otherwise, the automatic leveling func-
tion may cause vehicle height to change, an
d you may catch part of your body in the
vehicle, resulting in an accident:
●When jacking up the vehicle, installing tire chains or tying the vehicle with chains/
wires for transportation via flatbed truck, tu rn off the rear height control air suspen-
sion and stop the engine.
●When the vehicle must be towed or disconnect ing a trailer, put the vehicle height in N
mode and turn off the rear he ight control air suspension.
●When the vehicle is stuck, turn off the rear height control air suspension.
■Selecting the correct height mode
●HI mode should only be used when drivin g on rough roads, for example when driving
off-road.
Because the vehicle’s center of gravity will become higher when in the mode, the
vehicle may become unstable when turnin g abruptly, resulting in an accident.
●Do not select HI mode when loading cargo on the roof luggage carrier.
Because the vehicle’s center of gravity will become higher when in the mode, the
vehicle may become unstable when turnin g abruptly, resulting in an accident.
●Before lowering vehicle height, check that there is no one under the vehicle.
NOTICE
■Be careful in any place where overhead space is limited
The vehicle height will rise when a higher mode is selected or cargo is unloaded. This
may cause damage to the vehicle.
■Do not select LO mode when driving on bumpy roads
If the underbody of the vehicle touches a rugged road surface, the vehicle may be
damaged.
■Changing vehicle height
Do not change vehicle height frequently.
The compressor may overheat and stop operation.
■When on the extremely uneven roads with rocks
Sometimes the vehicle height is not adjusted because it is judged as uneven road driv-
ing.

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GX460_OM_OM60T19U_(U)4-5. Using the driving support systems
■When the four-wheel drive control switch can be operated
●The engine 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
●The indicator blinks while sw
itching between H4 and L4.
●If the low speed four-wheel drive indicator continues to blink when you operate the
four-wheel drive control switch to the H4 or L4 position, stop the vehicle completely,
shift the shift lever securely into N and then 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 completely. The transfer mode disengages both
the front and rear drive shafts from the powertrain and allows the vehicle to move
regardless of the shift position. (At this time , the indicator blinks and the buzzer sounds.)
Therefore, the vehicle is free to roll even if the shift lever is in P. You or someone else
could be seriously injured. You must comple te the shifting of the transfer mode and
confirm that the indicator has turned off (H4) or turned on (L4).
●If the engine coolant temperature is too low, the four-wheel drive control system may
not be able to shift. When the engine is warmer operate the switch again.
If the indicator continue to blink even if doing so, have the vehicle inspected by your
Lexus dealer as soon as possible. There may be a trouble in the four-wheel drive system.
■When the transfer mode is switched to L4
VSC is automatically turned off. (T he VSC OFF indicator will come on.)
■When the center differential lock/unlock switch can be operated
The engine switch is in IGNITION ON mode.
■The center differential lock indicator
●The indicator blinks while locking/unlocking the center differential.
●If the center differential lock indicator b links and the buzzer sounds when the center
differential is locked, stop the slipping or spinning and push the switch again.
If the indicator continue to blink even if doing so, have the vehicle inspected by your
Lexus dealer as soon as possible. There may be a trouble in the four-wheel drive system.

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GX460_OM_OM60T19U_(U)4-5. Using the driving support systems
■The Crawl Control can be operated when
●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.
■Automatic system cancelation
In the following situations, the system is canceled automatically:
At that time, the buzzer will sound, the slip indicator turns off, and the Crawl Control indi-
cator flashes.
A notification will be displa yed on the multi-information display for several seconds.
(  P. 527)
●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.
When turning off Crawl Control while travelin g, stop the vehicle before the Crawl Con-
trol indicator turns off, or drive extremely carefully.
■Function limit
●In the following situations, you will be able to use brake control to drive downhill at a
fixed low speed, but you will be unable to use engine control to drive uphill at a fixed low
speed.
• When the driving mode is set to second start mode.
• When the vehicle speed is higher than 6 mph (10 km/h).
●When the vehicle speed is higher than 15 mph (25 km/h), engine control and brake
control will stop temporarily. At that time, the Crawl Control indicator flashes.