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If vehicle-to-vehicle distance control
mode is automatically canceled for any reasons other than the above, there may be a malfunction in the system.
Contact any authorized Toyota retailer or Toyota authorized repairer, or any reli-able repairer.
■Automatic cancelation of constant
speed control mode
Constant speed control mode is auto- matically canceled in the following situa-
tions:
●Actual vehicle speed is more than
approximately 16 km/h (10 mph) below the set vehicle speed.
●Actual vehicle speed falls below approximately 30 km/h (20 mph).
●VSC is activated.
●TRC is activated for a period of time.
●When the VSC or TRC system is turned off.
●When the brake control or output restriction control of a driving support
system operates. (For example: Pre- Collision System, Drive-Start Control)
●Vehicles with manual transmission: When the shift lever is in N or the clutch pedal is depressed for a certain
amount of time or more.
●The parking brake is operated.
If constant speed control mode is auto- matically canceled for any reasons other than the above, there may be a malfunc-
tion in the system. Contact any autho- rized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
■The Dynamic Radar Cruise Control with Road Sign Assist may not operate properly when (if
equipped)
As the Dynamic Radar Cruise Control with Road Sign Assist may not operate
properly in conditions in which RSA may not operate or detect correctly ( P.197), when using this function,
make sure to check the speed limit sign displayed.
In the following situations, the set speed
may not be changed to the recognized speed limit by pressing and holding the “+RES”/“-SET” switch.
●If speed limit information is not avail-able
●When the recognized speed limit is the same as the set speed
●When the recognized speed limit is outside of the speed range that the
dynamic radar cruise control system can operate
■Brake operation
A brake operation sound may be heard
and the brake pedal response may change, but these are not malfunctions.
■Warning messages and buzzers for dynamic radar cruise control
Warning messages and buzzers are used to indicate a system malfunction or to inform the driver of the need for cau-
tion while driving. If a warning message is shown on the multi-information dis-play, read the message and follow the
instructions. ( P.159, 311)
■When the sensor may not be cor- rectly detecting the vehicle ahead
In the case of the following and depend-
ing on the conditions, operate the brake pedal when deceleration of the system is insufficient or operate the accelerator
pedal when acceleration is required.
As the sensor may not be able to cor- rectly detect these types of vehicles, the
approach warning ( P.187) may not be activated.
●Vehicles that cut in suddenly
●Vehicles traveling at low speeds
●Vehicles that are not moving in the same lane
●Vehicles with small rear ends (trailers with no load on board, etc.)

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2Press / of the meter control
switches and select , then
press .
■Automatic turn-off of RSA sign dis-
play
One or more signs automatically turn off in the following situations.
●No sign has been recognized for a certain distance.
●The road changes due to a left or right turn, etc.
■Conditions in which the function
may not operate or detect correctly
In the following situations, RSA does not operate normally and may not recognize
signs, display the incorrect sign, etc. However, this does not indicate a mal-function.
●The front camera is misaligned due to a strong impact being applied to the
sensor, etc.
●Dirt, snow, stickers, etc., are on the
windshield near the front camera.
●In inclement weather such as heavy
rain, fog, snow or sand storms.
●Light from an oncoming vehicle, the
sun, etc., enters the front camera.
●The sign is dirty, faded, tilted or bent.
●The contrast of electronic sign is low.
●All or part of the sign is hidden by the leaves of a tree, a pole, etc.
●The sign is only visible to the front camera for a short amount of time.
●The driving scene (turning, lane change, etc.) is judged incorrectly.
●If a sign not appropriate for the cur-rently traveled lane, but the sign exists
directly after a freeway branches, or in an adjacent lane just before merging.
●S t ic ke r s a r e a t t ac he d t o t h e r e ar o f t he preceding vehicle.
●A sign resembling a system compati-ble sign is recognized.
●Side road speed signs may be
detected and displayed (if positioned in sight of the front camera) while the vehicle is traveling on the main road.
●Roundabout exit road speed signs may be detected and displayed (if
positioned in sight of the front camera) while traveling on a roundabout.
●The front of the vehicle is raised or lowered due to the carried load.
●The surrounding brightness is not suf-ficient or changes suddenly.
●When a sign intended for trucks, etc., is recognized.
●The vehicle is driven in a country with a different direction of traffic.
■Speed limit sign display
If the engine switch was last turned off
while a speed limit sign was displayed on the multi-information display, the same sign displays again when the
engine switch is turned to ON.
■If “RSA Malfunction Visit Your Dealer” is shown
The system may be malfunctioning.
Have the vehicle inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
■Customization
Some functions can be customized. (Customizable features: P.358)

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■Operating conditions
●The Stop & Start system is operational when all of the following conditions
are met: • The vehicle has been driven a certain amount of time.
• The brake pedal is being depressed firmly.• The clutch pedal is not depressed
(vehicles with manual transmission). • The shift lever is in D (vehicles with Multidrive).
• The shift lever is in N (vehicles with manual transmission).• The driver’s seat belt is fastened.
• The driver’s door is closed. • The windshield defogger is off. (vehi-cles without a manual air conditioning
system) • The accelerator pedal is not being depressed (vehicles with Multidrive).
• The engine is adequately warmed up. • The outside temperature is -5°C (23°F) or higher.
• The hood is closed. ( P.201)
●In the following situations the engine
may not be stopped by the Stop & Start system. This is not a malfunction of the Stop & Start system.
• When the air conditioning system is being used.• When the battery is undergoing a peri-
odic recharge. • When the battery is not sufficiently charged, such as if the vehicle has
been parked for a long time and the battery charge has decreased, the electric load is large, the battery fluid
temperature is excessively low or the battery has deteriorated.• When the brake booster vacuum is
low. • When the elapsed time since the engine was restarted is short.
• When the vehicle is stopped fre- quently, such as when in a traffic jam.• When the engine coolant temperature
or transmission fluid temperature is extremely low or high.• When the vehicle is stopped on a
steep incline (vehicles with Multid- rive).
• When the steering wheel is being
operated. • When the vehicle is being driven in a high altitude area.
• When the battery fluid temperature is extremely low or high.• For a while after the battery terminals
have been disconnected and recon- nected.
●When the engine is stopped by the S t o p & S t a r t s y s t e m , t h e e n g i n e w i l l b e restarted automatically if any of the
following conditions are met:
(To enable the engine to be stopped by
the Stop & Start system again, drive the
vehicle.)
• The air conditioning system is turned on. (vehicles without a manual air
conditioning system) • The windshield defogger is turned on. (vehicles without a manual air condi-
tioning system) • The shift lever is shifted from D (vehi-cles with Multidrive).
• The shift lever is shifted from P. (When the engine is stopped by the Stop & Start system when the shift
lever is in P.) (vehicles with Multidrive) • The driver’s seat belt is unfastened.• The driver’s door is opened.
• The Stop & Start cancel switch is pressed.• The steering wheel is operated.
• The accelerator pedal is depressed (vehicles with Multidrive).• The vehicle starts to roll on an incline.
●When the engine is stopped by the Stop & Start system, the engine may
restart automatically in the following situations: (To enable the engine to be stopped by the Stop & Start system
again, drive the vehicle.) • When the brake pedal is pumped or strongly depressed.
• When the air conditioning system is being used.• When a switch of the air conditioning
system is operated (windshield defog- ger switch, etc.).• If the battery charge becomes low.

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■When the hood is opened
●If the hood is opened while the engine is stopped by the Stop & Start system,
the engine will stall and will not be able to be restarted by the automatic engine start function. In this case,
restart the engine using the normal engine starting procedure. ( P.129, 130)
●If the hood is closed after the engine is started with the hood open, the Stop
& Start system will not operate. Close the hood, turn the engine switch off, wait 30 seconds or more, and then
start the engine.
■Air conditioning system operation while the engine is stopped by the Stop & Start system
Vehicles with an automatic air condition- ing system: When the air conditioning is in automatic mode and the engine is
stopped by the Stop & Start system, the fan may operate at a low speed in order to prevent the temperature in the cabin
from increasing or decreasing or may be stopped.
To prioritize air conditioning system per-
formance when the vehicle is stopped, disable the Stop & Start system by pressing the Stop & Start cancel switch.
●If the windshield is fogged up
Turn the windshield defogger on.
( P.221, 225)
If the windshield fogs up frequently,
press the Stop & Start cancel switch to
disable the Stop & Start system.
●If an odor is emitted from the air con- ditioning system• Vehicles with a manual air condition-
ing system
If the idling stop time setting is set to
“Extended”, change it to “Standard”. If
an odor is emitted when the idling stop
time setting is set to “Standard”, press
the Stop & Start cancel switch to deacti-
vate the Stop & Start system.
• Vehicles with an automatic air condi-
tioning system
Press the Stop & Start cancel switch to
deactivate the Stop & Start system.
■Changing the idling stop time with
the air conditioning system on
The length of time the Stop & Start sys-
tem will operate when the air condition-
ing system is on can be changed in
of the multi-information display ( P. 8 6 ) .
(The length of time the Stop & Start sys-
tem will operate when the air condition-
ing system is off cannot be changed.)
■Displaying the Stop & Start system
status
P. 8 7
■Multi-information display mes- sages
If the following situations, and a
message may be displayed on the multi-
information display.
●When the engine cannot be stopped by the Stop & Start system
“Press Brake Harder to Activate”*
• The brake pedal is not sufficiently depressed.
If the brake pedal is depressed fur-
ther, the system will operate.
*: Vehicles with Multidrive
“Non-Dedicated Battery”
• A battery not designed for use with a Stop & Start system may have been
installed.
Have the vehicle inspected by any
authorized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.
“Battery Charging”
• The battery charge may be low.
Stopping of the engine is temporarily
prohibited to prioritize charging of the

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battery. After the engine runs for a cer-
tain amount of time, the system will be
enabled.
• A refresh charge may be occurring
After a refresh charge for up to an
hour completes, the system can be
operated.
• If displayed continuously for a long time (more than an hour)
The battery may be deteriorated. Con-
tact any authorized Toyota retailer or
Toyota authorized repairer, or any reli-
able repairer for details.
“Stop & Start Unavailable”
• The Stop & Start system is temporarily disabled.
Allow the engine to run for some time.
• The engine may have been started
with the hood open.
Close the hood, turn the engine
switch off, wait for 30 seconds or more,
and then start the engine.
“In Preparation”
• The vehicle is being driven in a high altitude area.• Vehicles with Multidrive: The brake
booster vacuum is low.
When the brake booster vacuum
reaches a predetermined level, the sys-
tem will be enabled.
“For Climate Control”
• The air conditioning system is being
used when the ambient temperature is high or low.
If the difference between the set tem-
perature and cabin temperature
becomes small, the system will be
enabled.
• The windshield defogger is on.
●When the engine automatically restarts while stopped by the Stop &
Start system
“In Preparation”*
• The brake pedal has been depressed further or pumped.
The system will be enabled after the
engine runs and the brake booster vac-
uum reaches a predetermined level.
*: Vehicles with Multidrive
“For Climate Control”
• The air conditioning system has been turned on or is being used.• The windshield defogger has been
turned on.
“Battery Charging”
• The battery charge may be low.
The engine is restarted to prioritize
battery charging. After the engine runs
for a certain amount of time, the system
will be enabled. (vehicle with manual
transmission)
The system will be enabled after the
engine runs to sufficiently charge the
battery. (vehicle with Multidrive)
●When the engine cannot be restarted
by the Stop & Start system
“Stop & Start System Active Shift to N
and Press Clutch to Restart”*
When the engine is stopped by the
Stop & Start system, the shift lever was
moved to a position other than N without
depressing the clutch pedal.
*: Vehicles with manual transmission
■When a buzzer sounds
If the driver’s door is opened when the engine is stopped by the Stop & Start
system and the shift lever is in D, a buzzer will sound and the Stop & Start system indicator will flash. To stop the
buzzer, close the driver’s door.
■The Stop & Start system protection function
●When the volume of the audio system

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■The system can be operated when
●The engine switch is in ON.
●Toyota parking assist-sensor function is on.
●The vehicle speed is less than about 10 km/h (6 mph).
●The shift lever is in other than P.
■If “Clean Parking Assist Sensor” is displayed on the multi-information display
A sensor may be covered with water
drops, ice, snow, dirt, etc. Remove the
water drops, ice, snow, dirt, etc., from the sensor to return the system to nor-mal.
Also, due to ice forming on a sensor at low temperatures, a warning message may be displayed or the sensor may not
be able to detect an object. Once the ice melts, the system will return to normal.
If a warning message is displayed even
if the sensor is clean, there may be a sensor malfunction. Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
■Sensor detection information
●The sensor’s detection areas are lim-
ited to the areas around the vehicle’ front and rear bumpers.
●The following situations may occur during use.
• Depending on the shape of the object and other factors, the detection dis-tance may shorten, or detection may
be impossible.
• Detection may be impossible if static
objects draw too close to the sensor.
• There will be a short delay between
static object detection and display (warning buzzer sounds). Even at low speeds, there is a possibility that the
object will come within 30 cm (1.0 ft.) before the display is shown and the warning buzzer sounds.
• It might be difficult to hear the buzzer due to the volume of the audio system
or air flow noise of the air conditioning system.
• It may be difficult to hear the sound of this system due to the buzzers of
WARNING
●Do not modify, disassemble or paint the sensors.
●Do not attach a license plate cover.
●Keep your tires properly inflated.
■When to disable the function
In the following situations, disable the function as it may operate even though there is no possibility of a colli-
sion.
●Failing to observe the warnings
above.
●A non-genuine Toyota suspension
(lowered suspension, etc.) is installed.
■Notes when washing the vehicle
Do not apply intensive bursts of water or steam to the sensor area.
Doing so may result in the sensor malfunctioning.
●When using a high pressure washer to wash the vehicle, do not spray the sensors directly, as doing
so may cause a sensor to malfunc- tion.
●When using steam to clean the vehicle, do not direct steam too close to the sensors as doing so
may cause a sensor to malfunction.

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other systems.
■Objects which the system may not
be properly detected
The shape of the object may prevent the sensor from detecting it. Pay particular
attention to the following objects:
●Wires, fences, ropes, etc.
●Cotton, snow and other materials that absorb sound waves
●Sharply-angled objects
●Low objects
●Tall objects with upper sections pro-
jecting outwards in the direction of your vehicle
■Situations in which the system may not operate properly
Certain vehicle conditions and the sur- rounding environment may affect the ability of a sensor to correctly detect
objects. Particular instances where this may occur are listed below.
●There is dirt, snow, water drops or ice on a sensor. (Cleaning the sensors will resolve this problem.)
●A sensor is frozen. (Thawing the area will resolve this problem.)
In especially cold weather, if a sensor is frozen the sensor display may be displayed abnormally, or objects, such
as a wall, may not be detected.
●When a sensor or the area around a
sensor is extremely hot or cold.
●On an extremely bumpy road, on an
incline, on gravel, or on grass.
●When vehicle horns, vehicle detec-
tors, motorcycle engines, air brakes of large vehicles, the clearance sonar of other vehicles or other devices which
produce ultrasonic waves are near the
vehicle
●A sensor is coated with a sheet of
spray or heavy rain.
●If objects draw too close to the sensor.
●Pedestrians wearing clothes which only partially reflect ultrasonic waves
(ex. skirts with gathers or frills).
●When objects that are not perpendicu-
lar to the ground, not perpendicular to the vehicle traveling direction, uneven, or waving are in the detection
range.
●Strong wind is blowing
●When driving in inclement weather such as fog, snow or a sandstorm
●When an object that cannot be detected is between the vehicle and a
detected object
●If an object such as a vehicle, motor-
cycle, bicycle or pedestrian cuts in front of the vehicle or runs out from the side of the vehicle
●If the orientation of a sensor has been changed due to a collision or other
impact
●When equipment that may obstruct a
sensor is installed, such as a towing eyelet, bumper protector (an addi-tional trim strip, etc.), bicycle carrier,
or snow plow
●If the front of the vehicle is raised or
lowered due to the carried load
●If the vehicle cannot be driven in a
stable manner, such as when the vehicle has been in an accident or is malfunctioning
●When a tire chains, compact spare tire or an emergency tire puncture repair
kit is used
■Situations in which the system may operate even if there is no possibil-ity of a collision
In some situations, such as the follow- ing, the system may operate even though there is no possibility of a colli-
sion.

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message will be displayed on the
multi-information display. ( P.171)
■When the message is displayed on
the multi-information display show-
ing that TRC has been disabled
even if 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:
●Vehicles with Multidrive: The shift lever is in a position other than P or N (when starting off forward/backward
on an upward incline).
●Vehicles with manual transmission:
The shift lever is in a position other than R when starting off forward on an upward incline, or the shift lever is in
R when starting off backward on an upward incline.
●The vehicle is stopped
●The accelerator pedal is not
depressed
●The parking brake is not engaged
●The engine 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:
●Vehicles with Multidrive: The shift lever is shifted to P or N.
●Vehicles with manual transmission: The shift lever is shifted to R when starting off forward on an upward
incline, or the shift lever is shifted to other than R when starting off back-ward on an upward incline.
●The accelerator pedal is depressed
●The parking brake is engaged
●2 seconds at maximum elapsed after the brake pedal is released
●The engine switch is turned to OFF
■Sounds and vibrations caused by the ABS, brake assist, VSC, TRC
and hill-start assist control sys- tems
●A sound may be heard from the engine compartment when the brake pedal is depressed repeatedly, when
the engine is started or just after the vehicle 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. • The brake pedal may pulsate slightly after the ABS is activated.
• The brake pedal may move down slightly after the ABS is activated.
■Active Cornering Assist operation sounds and vibrations
When the Active Cornering Assist is operated, operation sounds and vibra-tions may be generated from the brake
system, 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 and VSC systems
After turning the TRC and VSC systems off, the systems will be automatically re-enabled in the following situations:
●When the engine switch is turned off
●If only the TRC system is turned off, the TRC will turn on when vehicle speed increases.