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4-5. Using the driving support systems
This mode employs a radar sensor to detect the presence of vehi cles
up to approximately 328 ft. (100 m) ahead, determines the curre nt
vehicle-to-vehicle following distance, and operates to maintain a suit-
able following distance from the vehicle ahead.
When driving on downhill slopes, the vehicle-to-vehicle distance may
become shorter.
Example of constant speed cruising
When there are no vehicles ahead
The vehicle travels at the speed set by the driver. The desired vehicle-to-
vehicle distance can also be set by operating the vehicle-to-ve hicle dis-
tance switch.
Example of deceleration crui sing and follow-up cruising
When a preceding vehicle driving slower than the set speed
appears
When a vehicle is detected running ahead of you, the system automatically
decelerates your vehicle. When a greater reduction in vehicle s peed is
necessary, the system applies the brakes (the stop lights will come on at
this time). The system will respond to changes in the speed of the vehicle
ahead in order to maintain the vehicle-to-vehicle distance set by the driver.
Approach warning warns you when the system cannot decelerate su ffi-
ciently to prevent your vehicle fr om closing in on the vehicle ahead.
Example of acceleration
When there are no longer any preceding vehicles driving slower
than the set speed
The system accelerates until the set speed is reached. The syst em then
returns to constant speed cruising.
Driving in vehicle-to-vehi cle distance control mode
1
2
3
LC200_OM_OM60R53U_(U)
2934-5. Using the driving support systems
4
Driving
■The intuitive parking assist can be operated when
●Front corner sensors:
• The engine switch is in IGNITION ON mode.
• The shift lever is in a position other than P.
• The vehicle speed is less than approximately 6 mph (10 km/h).
● Rear corner and rear center sensors:
• The engine switch is in IGNITION ON mode.
• The shift lever is in R.
■ Intuitive parking assist display
When an obstacle is detected while the rear view monitor system , Multi-ter-
rain Monitor is in use, the warning indicator will appear in th e upper corner of
the screen even if the display setting has been set to off.
■ Sensor detection information
●The sensor’s detection areas are limited to the areas around th e vehicle’s
bumper.
● Certain vehicle conditions and the surrounding environment may affect the
ability of a sensor to correctly detect an obstacle. Particular instances where
this may occur are listed below.
• There is dirt, snow or ice on the sensor. (Wiping the sensors will resolve
this problem.)
• The sensor is frozen. (Thawing the area will resolve this problem.) In especially cold weather, if a sensor is frozen the screen ma y show an
abnormal display, or obstacles may not be detected.
• The sensor is covered in any way.
• The vehicle is leaning considerably to one side.
• On an extremely bumpy road, on an incline, on gravel, or on grass.
• The vicinity of the vehicle is noisy due to vehicle horns, motorcycle engines, air brakes of large vehicles, or other loud noises pro ducing ultra-
sonic waves.
• There is another vehicle equipped with parking assist sensors in the
vicinity.
• The sensor is coated with a sheet of spray or heavy rain.
• The vehicle is equipped with a fender pole or wireless antenna .
• The bumper or sensor receives a strong impact.
• The vehicle is approaching a tall or curved curb.
• In harsh sunlight or intense cold weather.
• The area directly under the bumpers is not detected.
• If obstacles draw too close to the sensor.
• A non-genuine Toyota suspension (lowered suspension etc.) is i nstalled.
• People may not be detected if they are wearing certain types o f clothing.
In addition to the examples above, there are instances in which, because of
their shape, signs and other objects may be judged by a sensor to be closer
than they are.
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4-5. Using the driving support systems
■The four-wheel drive control sw itch can be operated when
● 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-whee l drive indicator light
The indicator light blinks while shifting between H4 and L4.
■ 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 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 of the shift lever for maximum power and t raction 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 switch is in IGNITION ON mode.
● The vehicle speed is less than 62 mph (100 km/h).
■ Locking/unlocking the center differential
●When the four-wheel drive control switch is in L4 with the cent er 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 dri ve 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.
■ If the low speed four-wheel drive indicator light or the center differential
lock indicator light blinks
● If the low speed four-wheel drive indicator 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 dri ve indicator
turns on/off, the transfer mode may not be shifted completely. The transfer
mode disengages both the front and rear driveshafts from the po wertrain
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 automatic tr ansmission is in
P. You or someone else could be seriously injured. You must com plete 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 completed (the indicator turn s on/off).
LC200_OM_OM60R53U_(U)
2994-5. Using the driving support systems
4
Driving
●If the engine coolant temperature is too low, the four-wheel dr ive control
system may not be able to shift. When the engine is warmer pres s the
switch again.
If the low speed four-wheel drive indicator light or the center differential lock
indicator light continues to blink even after attempting the ab ove, there may
be a malfunction in the engine, the brake system or the four-wh eel drive sys-
tem. 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 inspected by
your Toyota dealer immediately.
WARNING
■ While driving
Never move the four-wheel drive control switch if the wheels ha ve lost trac-
tion. Doing so may cause an accident resulting in death or serious injury.
■ When the vehicle is parked
If the shift lever is moved before the low speed four-wheel dri ve indicator
turns on/off, the transfer mode may not be shifted completely. The transfer
mode disengages both the front and rear driveshafts from the po wertrain
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 automatic tr ansmission is in
P. You or someone else could be seriously injured. You must com plete the
shifting of the transfer mode.
NOTICE
■ To prevent damage to the center differential
● For normal driving on dry and hard surface roads, unlock the ce nter differ-
ential.
● Unlock the center differential after the wheels are out of the ditch or off the
slippery or bumpy surface.
● Do not push the center differential lock/unlock switch when the vehicle is
turning or when its wheels are spinning freely off the ground.
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LC200_OM_OM60R53U_(U)
4-5. Using the driving support systems
■When the brake system o perates continuously
The brake system may overheat. In this case, a buzzer will soun d, the TRAC
OFF indicator will flash, and Multi-terrain Select will be temp orarily inopera-
ble. In this event, stop the vehicle immediately in a safe place, and allow the
brake system to cool down sufficiently. (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 inspect ed by your
Toyota dealer immediately.
WARNING
■ When using the Multi-terrain Select
Observe the following precautions to avoid an accident that cou ld result in
death or serious injuries:
● There is a chance that the selected mode may not be the most ap propriate
in terms of road conditions such as pitch, slipperiness, undula tion, etc.
( P. 306)
● Multi-terrain Select is not intended to expand the limits of the vehicle.
Check the road conditions thoroughly beforehand, and drive safe ly and
carefully.
NOTICE
■ Precaution for use
The Multi-terrain Select is intended for use during off-road dr iving. Do not
use the system at any other time.
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4-5. Using the driving support systems
◆VGRS (Variable Gear Ratio Steering)
Helps to adjust the wheel turning angle in accordance with the vehicle
speed and steering wheel movement.
◆Trailer Sway Control
Helps the driver to control trailer sway by selectively applyin g brake pres-
sure for individual wheels and reducing engine torque when trai ler sway is
detected.
Trailer Sway Control is part of the VSC system and will not operate if VSC
turned off or experiences a malfunction.
The slip indicator light flashes to
indicate that the VSC/Trailer
Sway Control/Active TRAC/hill-
start assist control systems have
been engaged.
The stop lights and high mounted
stoplight turn on when the hill-start
assist control system or Trailer
Sway Control is operating.
When the Active TRAC/VSC/Trailer Sway Control/hill-start assist
control systems are operating
LC200_OM_OM60R53U_(U)
3754-5. Using the driving support systems
4
Driving
If the vehicle gets stuck in fresh snow or mud, Active TRAC may
reduce power from the engine to the wheels. You may need to tur n
the system off to enable you to r ock the vehicle in order to free it.
Quickly push and release the but-
ton to turn off Active TRAC.
The TRAC OFF indicator will come
on.
This mode can be used when the
transfer mode is H4.
Push the button again to turn the
system back on.
■ Turning off Active TRAC, VSC and Trailer Sway Control
Push and hold the button for more than 3 seconds while the vehicle is
stopped to turn off Active TRAC, VSC and Trailer Sway Control.
The VSC OFF indicator light and TRAC OFF indicator will come on
*.
Push the button again to turn the system back on.
*: On vehicles with pre-collision system, pre-collision brake assist and pre- collision braking will also be disabled. The PCS warning light will come on
and the message will be shown on the multi-information display. (P. 250)
■ When the message is displayed on the multi-information display show-
ing that TRAC has been disable d even if the VSC OFF switch has not
been pressed
Active TRAC, hill-start assist control, Crawl Control cannot be operated. Con-
tact your Toyota dealer.
Disabling the Active TRAC
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LC200_OM_OM60R53U_(U)
4-5. Using the driving support systems
■Automatic reactivation of Active TRAC, VSC and Trailer Sway Con trol
Turning the engine switch off after turning off the Active TRAC and VSC sys-
tems will automatically re-enable them.
■ Automatic Active TRAC reactivation
If only the Active TRAC system is turned off, the Active TRAC s ystem will turn
on when vehicle speed increases.
■ Automatic Active TRAC, VSC and T railer Sway Control reactivation
If the Active TRAC, VSC and Trailer Sway Control are turned off, the systems
will not turn on even when vehicle speed increases.
■ If the brake system overheats
The brake system may overheat. In this case, a buzzer will soun d, and the
TRAC OFF indicator will flash, and Active TRAC and hill-start a ssist control
will be temporarily inoperable. In this event, stop the vehicle immediately in a
safe place, and allow the brake system to cool down sufficientl y until the
TRAC OFF indicator go off. (There is no problem with continuing normal driv-
ing.)
■ Sounds and vibrations caused by the Multi Terrain ABS, brake assist,
Active TRAC, VSC, Trailer Sway Control, hill-start assist contr ol and
VGRS
● A sound may be heard from the engine compartment when the engin e is
started or just after the vehicle begins to move. This sound do es not indicate
that a malfunction has occurred in any of these systems.
● Any of the following conditions may occur when the above system s are
operating. None of these indicates that a malfunction has occur red.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.
• The brake pedal may pulsate slightly after the Multi Terrain ABS is acti- vated.
• The brake pedal may move down slightly after the Multi Terrain ABS is
activated.
■ Hill-start assist control is operational when
●The shift lever is in D or S.
● The brake pedal is not depressed.
■ VGRS is disabled in the following situations
●During stopping or the steering wheel has been moved for a long time while
driving at lower speeds.
● After the engine is restarted at less than -22 F (-30 C).
● If you disconnect the battery with the steering wheel turned, the center posi-
tion of the steering wheel could be slightly and temporary hanged. To initial-
ize the VGRS, drive for a short while.