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5-4. Using the driving support systems
Driving
steering wheel.
The Advanced Park main switch
is pushed
The shift position has been
changed to P
The parking brake is engaged
A door or back door is opened
The driver’s seat belt is unfas-
tened
The outside rear view mirrors are
folded
The TRAC or VSC is turned off
The TRAC, VSC or ABS oper-
ates
The power switch is pushed
The system determines assis-
tance cannot be continued in the
current parking environment
The system malfunctions
While the vehicle was stopped,
“Cancel” was selected on the
multimedia display
■Assistance will be suspended
when
In situations such as the following,
Advanced Park operation will be
suspended.
Assistance can be started again by fol-
lowing the directions displayed on the
multimedia display.
Also, when assistance is suspended, if
the shift position is changed twice with
the brake pedal depressed, assistance
will be canceled in that shift position.
However, if assistance is suspended by
changing the shift position, assistance
will be canceled if the shift position is
changed once.
The steering wheel is operated
The accelerator pedal is
depressed
The shift position has been
changed
Brake control operates
Camera switch is pressed
The PKSB (Parking Support
Brake) PCS (Pre-Collision Sys-
tem) has operates
■Remote control function assis-
tance will be canceled when
In situations such as the following,
Remote control function operation
will be canceled.
As system operation has been can-
celed, while carrying an electronic
key, enter the vehicle and park the
vehicle manually, using the steering
wheel.
When a condition for stopping
Advanced Park assistance is
met, with the exception suspen-
sion due to a door being opened
or the driver’s seat seat belt
being released
When Remote control function is
operated while the remote air
conditioning is operating and the
power switch is changed to ON
before remote air conditioning
has ended
When 5 minutes have elapsed
since Remote control function
operation was started
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5-4. Using the driving support systems
Driving
Control is released.
• When the vehicle is stopped by step- ping on the brake pedal
• When the vehicle speed exceeds more than 20 km/h (13 mph)
• When the shift position in a position other than D
• When the parking brake is operated
• When the driver side door is opened
• ABS/VSC is activated.
• When brake control and output sup- pression by the driving support device
are activated (example: Pre-Collision System, Parking Support Brake (If equipped))
• When the system determines it cannot continue in the current environment
• When the power switch is turned OFF
■When Grip Control is not available
In the following conditions, Grip Control
is not available.
• When the brake system or EV system
is malfunctioning
• After the EV system is started and
until the vehicle has been running for a while
■Brake hold system
The brake hold system turns OFF when
the Grip Control is being used. Press the brake pedal firmly and operate the switch.
When using the brake hold system again, turn ON the brake hold system after releasing the Grip Control.
NOTICE
■Long term usage
If used continuously for a long periods of time, the temperature of the brakes
may rise the system may temporarily stop.
■Operation noises and vibrations
• Operating noise may be heard from motor room, however this is not a
malfunction.
• When the brake pedal is depressed, it may become harder
than usual or it may feel different from normal, but this is not a mal-function.
■When the operation indicator does not turn on in the meter
even after operating the switch
The system may not be working prop- erly. Have the vehicle inspected by
any authorized Toyota retailer or Toyota authorized repairer, or any reli-able repairer immediately.
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5-4. Using the driving support systems
■ECB (Electronically Con-
trolled Brake System)
The electronically controlled sys-
tem generates braking force corre-
sponding to the brake operation
■ABS (Anti-lock Brake System)
Helps to prevent wheel lock when
the brakes are applied suddenly, or
if the brakes are applied while driv-
ing on a slippery road surface
■Brake assist
Generates an increased level of
braking force after the brake pedal
is depressed when the system
detects a panic stop situation
■VSC (Vehicle Stability Control)
Helps the driver to control skidding
when swerving suddenly or turning
on slippery road surfaces.
■Trailer Sway Control
Helps the driver to control trailer
sway by selectively applying brake
pressure for individual wheels and
reducing driving torque when trailer
sway is detected.
■TRC (Traction Control)
Helps to maintain drive power and
prevent the drive wheels from spin-
ning when starting the vehicle or
accelerating on slippery roads
■Active Cornering Assist (ACA)
Helps to prevent the vehicle from
drifting to the outer side by perform-
ing inner wheel brake control when
attempting to accelerate while turn-
ing
■Hill-start assist control
Helps to reduce the backward
movement of the vehicle when
starting on an uphill
■EPS (Electric Power Steering)
Employs an electric motor to
reduce the amount of effort needed
to turn the steering wheel
■Emergency brake signal
When the brakes are applied sud-
denly, the stop lights automatically
flash to alert the vehicle behind.
■The Secondary Collision
Brake
When the SRS airbag sensor
detects a collision and the system
operates, the brakes and brake
lights are automatically controlled
to reduce the vehicle speed and
help reduce the possibility of further
damage due to a secondary colli-
Driving assist systems
To keep driving safety and per-
formance, the f ollowing sys-
tems operate automatically in
response to various driving
situations. Be aware, however,
that these systems are supple-
mentary and should not be
relied upon too heavily when
operating the vehicle.
Summary of the driving
assist systems
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5-4. Using the driving support systems
Driving
sion.
■When the TRC/VSC/ABS/Trailer
Sway Control systems are operat- ing
The slip indicator light will flash while the
TRC/VSC/ABS/Trailer Sway Control systems are operating.
■Disabling the TRC system
If the vehicle gets stuck in mud, dirt or
snow, the TRC system may reduce
power from the EV system to the
wheels. Pressing the switch to turn
the system off may make it easier for
you to rock the vehicle in order to free it.
To turn the TRC system off, quickly
press and release the switch.
The “Traction Control Turned OFF” will
be shown on the multi-information dis-
play.
Press the switch again to turn the
system back on.
■Turning off both TRC, VSC and Trailer Sway Control systems
To turn the TRC, VSC and Trailer Sway
Control systems off, press and hold the
switch for more than 3 seconds
while the vehicle is stopped.
The VSC OFF indicator light will come on and the “Traction Control Turned OFF” will be shown on the multi-infor-
mation display.*
Press the switch again to turn the
systems back on.*: PCS (Pre-Collision System) will also
be disabled (only pre-collision warning
is available). The PCS warning light
will come on and a message will be
displayed on the multi-information dis-
play. ( P.287)
■When the message is displayed on
the multi-information display show-
ing that TRC has been disabled
even if the switch has not been
pressed
TRC is temporary deactivated. If the information continues to show, contact
any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
■Operating conditions of hill-start
assist control
When all of the following conditions are met, the hill-start assist control will oper-
ate:
●The shift position is in a position other
than P or N (when starting off for- ward/backward on an upward incline)
●The vehicle is stopped
●The accelerator pedal is not
depressed
●The parking brake is not engaged
●Power switch is turned to ON
■Automatic system cancelation of hill-start assist control
The hill-start assist control will turn off in any of the following situations:
●The shift position is shifted to P or N
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5-4. Using the driving support systems
●The accelerator pedal is depressed
●The parking brake is engaged
●2 seconds at maximum elapsed after the brake pedal is released
●Power switch is turned to OFF
■Sounds and vibrations caused by the ABS, brake assist, VSC, Trailer Sway Control, TRC and hill-start
assist control systems
●A sound may be heard from the motor
compartment when the brake pedal is depressed repeatedly, when the EV system is started or just after the vehi-
cle begins to move. This sound does not indicate that a malfunction has occurred in any of these systems.
●Any of the following conditions may occur when the above systems are
operating. None of these indicates that a malfunction has occurred.• Vibrations may be felt through the
vehicle body and steering. • A motor sound may be heard also after the vehicle comes to a stop.
■ECB operating sound
ECB operating sound may be heard in the following cases, but it does not indi-cate that a malfunction has occurred.
●Operating sound heard from the motor compartment when the brake pedal is
operated.
●Operating sound heard from the motor
compartment when one or two min- utes passed after the stop of the EV system.
■Active Cornering Assist operation
sounds and vibrations
When Active Cornering Assist is oper- ated, operation sounds and vibrations
may be generated from the brake sys- tem, but this is not a malfunction.
■EPS operation sound
When the steering wheel is operated, a
motor sound (whirring sound) may be heard. This does not indicate a malfunc-tion.
■Automatic reactivation of TRC,
Trailer Sway Control and VSC sys- tems
After turning the TRC, Trailer Sway Con-
trol and VSC systems off, the systems will be automatically re-enabled in the following situations:
●When the power switch is turned off
●If only the TRC system is turned off, the TRC will turn on when vehicle speed increases. If both the TRC and
VSC systems are turned off, auto- matic re-enabling will not occur when vehicle speed increases.
■Operating conditions of Active Cor-
nering Assist
The system operates when the following occurs.
●TRC/VSC can operate
●The driver is attempting to accelerate while turning
●The system detects that the vehicle is drifting to the outer side
●The brake pedal is released
■Reduced effectiveness of the EPS system
The effectiveness of the EPS system is
reduced to prevent the system from overheating when there is frequent steering input over an extended period
of time. The steering wheel may feel heavy as a result. Should this occur, refrain from excessive steering input or
stop the vehicle and turn the EV system off. The EPS system should return to normal within 10 minutes.
■Operating conditions of emergency
brake signal
When the following conditions are met, the emergency brake signal will operate:
●The emergency flashers are off.
●Actual vehicle speed is over 55 km/h (35 mph).
●The system judges from the vehicle deceleration that it is a sudden brak-ing operation.
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5-4. Using the driving support systems
Driving
■Automatic system cancelation of
emergency brake signal
The emergency brake signal will be can- celed in any of the following situations:
●The emergency flashers are turned on.
●The system judges from the vehicle deceleration that is not a sudden brak-
ing operation
■Secondary Collision Brake operat- ing conditions
The system operates when the SRS air-
bag sensor detects a collision while the vehicle is in motion. However, the sys-tem does not operate when components
are damaged.
■Secondary Collision Brake auto- matic cancellation
The system is automatically canceled in
any of the following situations.
●The vehicle speed drops below
approximately 0 km/h (0 mph)
●A certain amount of time elapses
during operation
●The accelerator pedal is depressed a
large amount
WARNING
■The ABS does not operate effec- tively when
●The limits of tire gripping perfor-mance have been exceeded (such as excessively worn tires on a snow
covered road).
●The vehicle hydroplanes while driv-
ing at high speed on wet or slick roads.
■Stopping distance when the ABS is operating may exceed that of normal conditions
The ABS is not designed to shorten the vehicle’s stopping distance. Always maintain a safe distance from
the vehicle in front of you, especially in the following situations:
●When driving on dirt, gravel or
snow-covered roads
●When driving with tire chains
●When driving over bumps in the road
●When driving over roads with pot-holes or uneven surfaces
■TRC/VSC may not operate effec-tively when
Directional control and power may not be achievable while driving on slip-pery road surfaces, even if the
TRC/VSC system is operating. Drive the vehicle carefully in condi-tions where stability and power may
be lost.
■Active Cornering Assist does not
operate effectively when
●Do not overly rely on Active Corner- ing Assist. Active Cornering Assist
may not operate effectively when accelerating down slopes or driving on slippery road surfaces.
●When Active Cornering Assist fre-quently operates, Active Cornering
Assist may temporarily stop operat- ing to ensure proper operation of the brakes, TRC and VSC.
■Hill-start assist control does not operate effectively when
●Do not overly rely on hill-start assist control. Hill-start assist control may not operate effectively on steep
inclines and roads covered with ice.
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5-4. Using the driving support systems
WARNING
●Unlike the parking brake, hill-start assist control is not intended to hold
the vehicle stationary for an extended period of time. Do not attempt to use hill-start assist con-
trol to hold the vehicle on an incline, as doing so may lead to an acci-dent.
■When the TRC/ABS/VSC/Trailer Sway Control is activated
The slip indicator light flashes. Always drive carefully. Reckless driving may cause an accident. Exercise particular
care when the indicator light flashes.
■When the TRC/VSC/Trailer Sway
Control systems are turned off
Be especially careful and drive at a speed appropriate to the road condi-
tions. As these are the systems to help ensure vehicle stability and driv-ing force, do not turn the
TRC/VSC/Trailer Sway Control sys- tems off unless necessary.Trailer Sway Control is part of the
VSC system and will not operate if VSC is turned off or experiences a malfunction.
■Replacing tires
Make sure that all tires are of the
specified size, brand, tread pattern and total load capacity. In addition, make sure that the tires are inflated to
the recommended tire inflation pres- sure level.The ABS, TRC, VSC and Trailer
Sway Control systems will not func- tion correctly if different tires are installed on the vehicle.
Contact any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer for further information
when replacing tires or wheels.
■Handling of tires and the suspen- sion
Using tires with any kind of problem
or modifying the suspension will affect the driving assist systems, and may cause a system to malfunction.
■Trailer Sway Control precaution
The Trailer Sway Control system is
not able to reduce trailer sway in all situations. Depending on many fac-tors such as the conditions of the
vehicle, trailer, road surface and driv- ing environment, the Trailer Sway Control system may not be effective.
Refer to your trailer owner’s manual for information on how to tow your trailer properly.
■If trailer sway occurs
Observe the following precautions.
Failing to do so may cause death or serious injury.
●Firmly grip the steering wheel. Steer straight ahead. Do not try to control trailer swaying by turning
the steering wheel.
●Begin releasing the accelerator
pedal immediately but very gradu- ally to reduce speed. Do not increase speed. Do not apply vehi-
cle brakes. If you make no extreme correction with the steering or brakes, your
vehicle and trailer should stabilize. ( P.237)
■Secondary Collision Brake
Do not rely solely upon the Secondary Collision Brake. This system is
designed to help reduce the possibil- ity of further damage due to a second-ary collision, however, that effect
changes according to various condi- tions. Overly relying on the system may result in death or serious injury.
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8-2. Steps to take in an emergency
■SRS warning light (warning buzzer)
■ABS warning light
■Inappropriate pedal operation warning light* (warning buzzer)
*: This light illuminates on the multi-information display with a message.
Warning lightDetails/Actions
Indicates a malfunction in:
The SRS airbag system; or
The seat belt pretensioner system
Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
Warning lightDetails/Actions
Indicates a malfunction in:
The ABS; or
The brake assist system
Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
Warning lightDetails/Actions
When a buzzer sounds:
Indicates a malfunction in:
The Brake Override System;
The Drive-Start Control
Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
Indicates that the shift position was changed and Drive-Start C on-
trol was operated while depressing the accelerator pedal.
Momentarily release the accelerator pedal.
When a buzzer does not sound:
Indicates that the accelerator and brake pedals are being
depressed simultaneously, and the Brake Override System is
operating.
Release the accelerator pedal and depress the brake pedal.