Driving -> Toyota Safety Sense for Your Toyota Auris 4 Door Second Generation (2013-2018)

250  
4-5. Toyota Safety Sense  
Toyota Safety Sense  
The Toyota Safety Sense consists of the following drive assist  
systems and contributes to a safe and comfortable driving expe-  
rience.  
PCS (Pre-Crash Safety system)  
P. 255  
LDA (Lane Departure Alert)  
P. 268  
Automatic High Beam  
P. 273  
RSA (Road Sign Assist)  
P. 277  
WARNING  
Toyota Safety Sense  
The Toyota Safety Sense is designed to operate under the assumption that  
the driver will drive safely, and is designed to help reduce the impact to the  
occupants and the vehicle in the case of a collision or assist the driver in  
normal driving conditions.  
As there is a limit to the degree of recognition accuracy and control perfor-  
mance that this system can provide, do not overly rely on this system. The  
driver is always responsible for paying attention to the vehicle's surround-  
ings and driving safely.  
: If equipped  
251  
4-5. Toyota Safety Sense  
Vehicle data recordings  
The pre-crash safety system is equipped with a sophisticated com-  
puter that will record certain data, such as:  
• Accelerator status  
• Brake status  
• Vehicle speed  
• Operation status of the pre-crash safety system functions  
• Information (such as the distance and relative speed between your  
vehicle and the vehicle ahead or another object)  
The pre-crash safety system does not record conversations, sounds  
or pictures.  
Data usage  
Toyota may use the data recorded in this computer to diagnose  
malfunctions, conduct research and development, and improve  
quality.  
4
Toyota will not disclose the recorded data to a third party except:  
• With the consent of the vehicle owner or with the consent of the  
lessee if the vehicle is leased  
• In response to an official request by the police, a court of law or a  
government agency  
• For use by Toyota in a lawsuit  
• For research purposes where the data is not tied to a specific  
vehicle or vehicle owner  
Front sensor  
The front sensor is located on the  
upper side of the windshield. It  
consists of 2 types of sensors,  
each of which detects information  
necessary to operate the drive  
assist systems.  
Laser sensors  
1
Monocular camera sensor  
2
252  
4-5. Toyota Safety Sense  
WARNING  
Front sensor  
The front sensor uses lasers to detect vehicles ahead of your vehicle. The  
front sensor is classified as class 1M laser product according to the IEC  
60825-1 standard. Under normal usage conditions, these lasers are not  
harmful to the naked eye. However, it is necessary to observe the following  
precautions.  
Failure to do so may result in the loss of eyesight or severe visual impair-  
ment.  
To avoid hazardous laser radiation exposure, never attempt to disassem-  
ble the front sensor (e.g. remove the lenses). When disassembled, the  
front sensor is classified as a class 3B laser product according to the IEC  
60825-1 standard. Class 3B lasers are hazardous and pose a risk of eye  
injury under direct exposure.  
Do not attempt to look into the front sensor with a magnifying glass, micro-  
scope or other optical instrument within a distance of less than 100 mm  
(3.9 in.).  
Laser classification label  
Laser explanatory label  
253  
4-5. Toyota Safety Sense  
WARNING  
Laser emission data  
Maximum average power: 45 mW  
Pulse duration: 33 ns  
Wave length: 905 nm  
Divergence (horizontal x vertical): 28° x 12°  
To avoid malfunction of the front sensor  
Observe the following precautions.  
Otherwise, the front sensor may not operate properly, possibly leading to an  
accident resulting in death or serious injury.  
Keep the windshield clean at all times. If the windshield is dirty or covered  
with an oily film, water droplets, snow, etc., clear the windshield. If the  
inner side of the windshield in front of the front sensor is dirty, contact any  
authorized Toyota dealer or repairer, or another duly qualified and  
equipped professional.  
4
Do not attach objects, such as stickers,  
transparent stickers, etc., and so forth,  
to the outer side of the windshield in  
front of the front sensor (shaded area in  
the illustration).  
A: From the top of the windshield to  
approximately 10 cm (4.0 in.) below the  
bottom of the front sensor  
B: Approximately 20 cm (7.9 in.) (Approximately 10 cm (4.0 in.) to the  
right and left from the center of the front sensor)  
Do not install or attach anything to the  
inner side of the windshield under the  
front sensor (shaded area in the illustra-  
tion).  
A: Approximately 10 cm (4.0 in.) (Start-  
ing from the bottom of the front sensor)  
B: Approximately 20 cm (7.9 in.)  
(Approximately 10 cm (4.0 in.) to the  
right and left from the center of the front  
sensor)  
If there is a large difference in temperature between the inside and outside  
of the vehicle, such as in winter, the windshield is likely to fog up easily. If  
the part of the windshield in front of the front sensor is fogged up or cov-  
ered with condensation or ice, the PCS warning light may flash and the  
system may be temporarily disabled. In this case, use the windshield  
defogger to remove the fog, etc. (P. 404, 411)  
254  
4-5. Toyota Safety Sense  
WARNING  
If the area of the windshield in front of the front sensor is covered with  
water droplets, use the windshield wipers to remove them.  
If the water droplets are not sufficiently removed, the performance of the  
front sensor may be reduced.  
If water droplets cannot be properly removed from the area of the wind-  
shield in front of the front sensor by the windshield wipers, replace the  
wiper insert or wiper blade.  
If the wiper inserts or wiper blades need to be replaced, contact any autho-  
rized Toyota dealer or repairer, or another duly qualified and equipped pro-  
fessional.  
Do not attach window tinting to the windshield.  
Replace the windshield if it is damaged or cracked.  
If the windshield needs to be replaced, contact any authorized Toyota  
dealer or repairer, or another duly qualified and equipped professional.  
Do not install an antenna in front of the sensor.  
Do not get the front sensor wet.  
Do not allow bright lights to shine into the front sensor.  
Do not dirty or damage the front sensor.  
When cleaning the inside of the windshield, do not allow glass cleaner to  
contact the lens. Also, do not touch the lens.  
If the lens is dirty or damaged, contact any authorized Toyota dealer or  
repairer, or another duly qualified and equipped professional.  
Do not subject the front sensor to a strong impact.  
Do not change the installation position or direction of the front sensor or  
remove it.  
Do not disassemble the front sensor.  
Do not install an electronic device or device that emits strong electric  
waves near the front sensor.  
Do not modify any components of the vehicle around the front sensor  
(inside rear view mirror, sun visors, etc.) or ceiling.  
Do not attach any accessories that may obstruct the front sensor to the  
hood, front grille or front bumper. Contact any authorized Toyota dealer or  
repairer, or another duly qualified and equipped professional for details.  
If a surfboard or other long object is to be mounted on the roof, make sure  
that it will not obstruct the front sensor.  
Do not modify the headlights or other lights.  
Do not attach anything to or place anything on the dashboard.  
255  
4-5. Toyota Safety Sense  
PCS (Pre-Crash Safety system)  
The pre-crash safety system uses the front sensor to detect  
vehicles in front of your vehicle. When the system determines  
that the possibility of a frontal collision with a vehicle is high, a  
warning operates to urge the driver to take evasive action and  
the potential brake pressure is increased to help the driver avoid  
the collision. If the system determines that the possibility of a  
frontal collision with a vehicle is extremely high, the brakes are  
automatically applied to help avoid the collision or help reduce  
the impact of the collision.  
The pre-crash safety system can be disabled/enabled and the warn-  
ing timing can be changed. (P. 258)  
4
Pre-crash warning  
When the system determines  
that the possibility of a frontal  
collision is high, a buzzer will  
sound and a warning message  
will be displayed on the multi-  
information display to urge the  
driver to take evasive action.  
Pre-crash brake assist  
When the system determines that the possibility of a frontal colli-  
sion with a vehicle is high, the system applies greater braking force  
in relation to how strongly the brake pedal is depressed.  
Pre-crash braking  
When the system determines that the possibility of a frontal colli-  
sion with a vehicle is high, the system warns the driver. If the sys-  
tem determines that the possibility of a collision is extremely high,  
the brakes are automatically applied to help avoid the collision or  
reduce the collision speed.  
: If equipped  
256  
4-5. Toyota Safety Sense  
WARNING  
Limitations of the pre-crash safety system  
The driver is solely responsible for safe driving. Always drive safely, taking  
care to observe your surroundings.  
Do not use the pre-crash safety system instead of normal braking opera-  
tions under any circumstances. This system will not prevent collisions or  
lessen collision damage or injury in every situation. Do not overly rely on  
this system. Failure to do so may lead to an accident, resulting in death or  
serious injury.  
Although this system is designed to help avoid and reduce the impact of a  
collision, its effectiveness may change according to various conditions,  
therefore the system may not always be able to achieve the same level of  
performance.  
Read the following conditions carefully. Do not overly rely on this system  
and always drive carefully.  
• Conditions under which the system may operate even if there is no pos-  
sibility of a collision: P. 260  
• Conditions under which the system may not operate properly: P. 264  
Do not attempt to test the operation of the pre-crash safety system your-  
self, as the system may not operate properly, possibly leading to an acci-  
dent.  
Pre-crash braking  
The pre-crash braking function may not operate if certain operations are  
performed by the driver. If the accelerator pedal is being depressed  
strongly or the steering wheel is being turned, the system may determine  
that the driver is taking evasive action and possibly prevent the pre-crash  
braking function from operating.  
In some situations, while the pre-crash braking function is operating, oper-  
ation of the function may be canceled if the accelerator pedal is depressed  
strongly or the steering wheel is turned and the system determines that  
the driver is taking evasive action.  
A large amount of braking force is applied while the pre-crash braking  
function is operating. Additionally, as the operation of the pre-crash brak-  
ing function will be canceled after the vehicle has been stopped for  
approximately 2 seconds if it is stopped by the operation of the pre-crash  
braking function, the driver should depress the brake pedal as necessary.  
If the brake pedal is being depressed, the system may determine that the  
driver is taking evasive action and possibly delay the operation timing of  
the pre-crash braking function.  
257  
4-5. Toyota Safety Sense  
WARNING  
While driving, such as when driving through a railway crossing, the system  
may determine that the possibility of a collision with an object, such as rail-  
way crossing barrier, is high and operate the pre-crash braking function.  
To move the vehicle in an emergency, such as if the system operates in a  
railway crossing, perform the following operations and then take the nec-  
essary measures to ensure your safety.  
• If the vehicle has been stopped, depress the accelerator pedal.  
• If the vehicle is decelerating, fully depress the accelerator pedal.  
(P. 259)  
• Disable the pre-crash safety system. (P. 258)  
When to disable the pre-crash safety system  
In the following situations, disable the system, as it may not operate prop-  
erly, possibly leading to an accident resulting in death or serious injury:  
When the vehicle is being towed  
When your vehicle is towing another vehicle  
4
When transporting the vehicle via truck, boat, train or similar means of  
transportation  
When the vehicle is raised on a lift with the engine running and the tires  
are allowed to rotate freely  
When inspecting the vehicle using a drum tester such as a chassis dyna-  
mometer or speedometer tester, or when using an on vehicle wheel bal-  
ancer  
If the vehicle cannot be driven in a stable manner, such as when the vehi-  
cle has been in an accident or is malfunctioning  
When the vehicle is driven in a sporty manner or off-road  
When the condition of the tires is poor and they do not perform well  
(P. 481, 497)  
When tires of a size other than specified are installed  
When tire chains are installed  
When a compact spare tire or an emergency tire puncture repair kit is used  
258  
4-5. Toyota Safety Sense  
Changing settings of the pre-crash safety system  
Enabling/disabling the pre-crash safety system  
Press the PCS switch for 3 sec-  
onds or more.  
The PCS warning light will turn  
on and a message will be dis-  
played on the multi-information  
display.  
To enable the system, press the  
PCS switch again.  
The pre-crash safety system is  
enabled each time the engine is  
started.  
Changing the pre-crash warning timing  
Press the PCS switch to display the current warning timing on the  
multi-information display. Each time the PCS switch is pressed with  
the warning timing displayed, the warning timing will change as fol-  
lows.  
If the warning timing setting has been changed, the setting will be  
retained the next time the engine is started.  
1
Far  
The warning will begin to oper-  
ate earlier than with the default  
timing.  
2
Middle  
This is the default setting.  
3
Near  
The warning will begin to oper-  
ate later than with the default  
timing.  
259  
4-5. Toyota Safety Sense  
Operational conditions  
The pre-crash safety system is enabled and determines that the possibility of  
a frontal collision with a vehicle is high.  
Each function is operational at the following speeds:  
Pre-crash warning:  
• Vehicle speed is approximately 15 to 140 km/h (10 to 86 mph).  
• The relative speed between your vehicle and a preceding vehicle is  
approximately 15 km/h (10 mph) or more.  
Pre-crash brake assist:  
• Vehicle speed is approximately 30 to 80 km/h (19 to 49 mph).  
• The relative speed between your vehicle and a preceding vehicle is  
approximately 30 km/h (19 mph) or more.  
Pre-crash braking:  
• Vehicle speed is approximately 10 to 80 km/h (7 to 49 mph).  
• The relative speed between your vehicle and a preceding vehicle is  
approximately 10 km/h (7 mph) or more.  
4
The system may not operate in the following situations:  
If a battery terminal has been disconnected and reconnected and then the  
vehicle has not been driven for a certain amount of time  
If the shift lever is in R  
If VSC is disabled (only the pre-crash warning function will be operational)  
If the PCS warning light is flashing or illuminated  
Cancelation of the pre-crash braking  
If either of the following situations occur while the pre-crash braking function  
is operating, it will be canceled:  
• The accelerator pedal is depressed strongly.  
• The steering wheel is turned sharply or abruptly.  
If the vehicle is stopped by the operation of the pre-crash braking function,  
the operation of the pre-crash braking function will be canceled after the  
vehicle has been stopped for approximately 2 seconds.  
260  
4-5. Toyota Safety Sense  
Conditions under which the system may operate even if there is no pos-  
sibility of a collision  
In some situations such as the following, the system may determine that  
there is a possibility of a frontal collision and operate.  
• When passing a vehicle in an oncom-  
ing lane that is stopped to make a  
right/left turn  
• When passing an oncoming vehicle  
while making a left or right turn  
• When driving on a road where relative  
location to vehicle ahead in an adja-  
cent lane may change, such as on a  
winding road  
• When rapidly closing on a preceding  
vehicle  
• If the front of the vehicle is raised or lowered, such as when the road sur-  
face is uneven or undulating  
261  
4-5. Toyota Safety Sense  
• When passing extremely close to a  
vehicle or structural object  
• When there is a vehicle or object by  
the roadside at the entrance of a  
curve  
• When driving on a narrow path surrounded by a structure, such as in a  
tunnel or on an iron bridge  
4
• When there is a reflective object  
(manhole cover, steel plate, etc.),  
steps, dip, or a protrusion on the road  
surface or roadside  
• When passing through a place with a  
low structure above the road (low ceil-  
ing, traffic sign, etc.)  
• When there is a structural object  
(overpass, traffic sign, billboard,  
street light, etc.) at the top of an uphill  
road  
262  
4-5. Toyota Safety Sense  
• When rapidly closing on an electric  
toll gate barrier, parking area barrier,  
or other barrier that opens and closes  
• When using an automatic car wash  
• When approaching a low hanging  
object that may contact the vehicle,  
such as a banner, tree branches or  
thick grass  
• When the vehicle is hit by water,  
snow, dust, etc. from a vehicle ahead  
• When driving through steam or  
smoke  
• When there are patterns or paint on the road or a wall that may be mis-  
taken for a vehicle  
• When the front part of the vehicle is  
raised or lowered  
263  
4-5. Toyota Safety Sense  
• When the sensor is misaligned due to  
a strong impact being applied to the  
sensor, etc.  
• When the vehicle is being parked in a  
place where there is a low hanging  
object at the height of the front sensor  
• When the windshield is covered with  
raindrops, etc.  
4
264  
4-5. Toyota Safety Sense  
Situations in which the system may not operate properly  
In some situations such as the following, a vehicle may not be detected by  
the front sensor, preventing the system from operating properly:  
• If an oncoming vehicle is approaching your vehicle  
• When approaching the side or front of a vehicle  
• If a preceding vehicle has a small rear end, such as an unloaded truck  
• If a preceding vehicle has a low rear  
end, such as a low bed trailer  
• If a vehicle ahead is carrying a load which protrudes past its rear bumper  
• If a vehicle ahead has extremely high  
ground clearance  
• If a vehicle ahead is irregularly shaped, such as a tractor or side car  
• If the sun or other light is shining directly on a vehicle ahead  
• If a vehicle cuts in front of your vehicle  
or emerges from beside a vehicle  
• If a vehicle ahead makes an abrupt maneuver (such as sudden swerving,  
acceleration or deceleration)  
• When suddenly cutting behind a preceding vehicle  
265  
4-5. Toyota Safety Sense  
• When a vehicle ahead is not directly  
in front of your vehicle  
• When driving in inclement weather  
such as heavy rain, fog, snow or a  
sand storm  
• When the vehicle is hit by water, snow, dust, etc. from a vehicle ahead  
• When driving through steam or smoke that may obscure vehicles ahead  
4
• When driving in a place where the surrounding brightness changes sud-  
denly, such as at the entrance or exit of a tunnel  
• When a very bright light, such as the  
sun or the headlights of oncoming  
traffic, shines directly into the front  
sensor  
• When the surrounding area is dim,  
such as at dawn or dusk, or while at  
night or in a tunnel  
• While driving on a curve and for a certain amount of time after driving on  
a curve  
266  
4-5. Toyota Safety Sense  
• If your vehicle is skidding  
• When the front part of the vehicle is  
raised or lowered  
• If the wheels are misaligned  
• If a wiper blade is blocking the front sensor  
• The vehicle is wobbling.  
• The vehicle is being driven at extremely high speeds.  
• When driving on roads with sharp bends or uneven surfaces  
• When a preceding vehicle is a poor reflector of laser  
• When the sensor is misaligned due to  
a strong impact being applied to the  
sensor, etc.  
In some situations such as the following, sufficient braking force may not be  
obtained, preventing the system from performing properly:  
• If the braking functions cannot operate to their full extent, such as when  
the brake parts are extremely cold, extremely hot, or wet  
• If the vehicle is not properly maintained (brakes or tires are excessively  
worn, improper tire inflation pressure, etc.)  
• When the vehicle is being driven on a gravel road or other slippery sur-  
face  
267  
4-5. Toyota Safety Sense  
If the PCS warning light flashes and a warning message is displayed on  
the multi-information display  
The pre-crash safety system may be temporarily unavailable or there may be  
a malfunction in the system.  
In the following situations, the warning light will turn off, the message will  
disappear and the system will become operational when normal operating  
conditions return:  
• When the area around the front sensor is hot, such as in the sun  
• When the windshield is fogged up or covered with condensation or ice  
(P. 404, 411)  
• When the front sensor or the area around either sensor is cold, such as in  
an extremely cold environment  
• If the area in front of the front sensor is obstructed, such as when the  
hood is open  
If the PCS warning light continues to flash or the warning message is not  
cleared, the system may be malfunctioning. Have the vehicle inspected by  
any authorized Toyota dealer or repairer, or another duly qualified and  
equipped professional immediately.  
4
If VSC is disabled  
If TRC and VSC are disabled (P. 331), the pre-crash brake assist and pre-  
crash braking functions are also disabled. However, the pre-crash warning  
function will still operate.  
The PCS warning light illuminates and “Pre-Crash Brake is disabled due to  
VSC OFF.” is displayed on the multi-information display.  
268  
4-5. Toyota Safety Sense  
LDA (Lane Departure Alert)  
Summary of function  
When driving on roads with white (yellow) lines, this function alerts the  
driver when the vehicle might depart from its lane.  
The LDA system recognizes visi-  
ble white (yellow) lines with the  
front sensor on the upper portion  
of the windshield.  
Lane departure alert function  
When the system determines that  
the vehicle might depart from its  
lane, a warning is displayed on  
the multi-information display and  
the warning buzzer sounds to  
alert the driver.  
When the warning buzzer sounds,  
check the surrounding road situa-  
tion and carefully operate the  
steering wheel to move the vehicle  
back to the center within the white  
(yellow) lines.  
: If equipped  
269  
4-5. Toyota Safety Sense  
WARNING  
Before using the LDA system  
Do not rely solely upon the LDA system. LDA is not a system which auto-  
matically drives the vehicle or reduces the amount of attention that must be  
paid to the area in front of the vehicle. The driver must always assume full  
responsibility for driving safely by always paying careful attention to the sur-  
rounding conditions and operate the steering wheel to correct the path of  
the vehicle. Also, make sure to take adequate breaks when fatigued, such  
as from driving for a long period of time.  
Failure to perform appropriate driving operations and pay careful attention  
may lead to an accident, resulting in death or serious injury.  
To avoid operating the LDA by mistake  
When not using the LDA system, use the LDA switch to turn the system off.  
Preventing LDA system malfunctions and operations performed by  
mistake  
Do not modify the headlights or place stickers, etc., on the surface of the  
lights.  
4
Do not modify the suspension etc. If the suspension etc. needs to be  
replaced, contact any authorized Toyota dealer or repairer, or another duly  
qualified and equipped professional.  
Do not install or place anything on the hood or grille. Also, do not install a  
grille guard (bull bars, kangaroo bar, etc.).  
If your windshield needs repairs, contact any authorized Toyota dealer or  
repairer, or another duly qualified and equipped professional.  
270  
4-5. Toyota Safety Sense  
Turning the LDA system on  
Press the LDA switch to turn the  
LDA system on.  
The LDA indicator illuminates and  
a message is displayed on the  
multi-information display.  
Press the LDA switch again to turn  
the LDA system off.  
When the LDA system is turned on  
or off, operation of the LDA system  
continues in the same condition  
the next time the engine is started  
Indication on the multi-information display  
X Inside of displayed white lines X Inside of displayed white lines  
is white  
is black  
Indicates that the system is recog- Indicates that the system is not  
nizing white (yellow) lines. When able to recognize white (yellow)  
the vehicle departs from its lane, lines or is temporarily canceled.  
the white line displayed on the  
side the vehicle departs from  
flashes orange.  
271  
4-5. Toyota Safety Sense  
If “Check LDA system.” is displayed on the multi-information display  
If the LDA indicator does not come on when the LDA switch is pressed to turn  
the system on, the system may be malfunctioning. Have the vehicle  
inspected by any authorized Toyota dealer or repairer, or another duly quali-  
fied and equipped professional immediately.  
Operation conditions  
This function operates when all of the following conditions are met.  
LDA is turned on.  
Vehicle speed is approximately 50 km/h (32 mph) or more.  
System recognizes white (yellow) lines.  
Width of traffic lane is approximately 3 m (9.8 ft.) or more.  
Turn signal lever is not operated.  
Vehicle is driven on a straight road or around a gentle curve with a radius of  
more than approximately 150 m (492 ft.).  
No system malfunctions are detected. (P. 539)  
Temporary cancellation of functions  
4
When operation conditions are no longer met, a function may be temporarily  
canceled. However, when the operation conditions are met again, operation  
of the function is automatically restored. (P. 271)  
Lane departure alert function  
The warning buzzer may be difficult to hear due to external noise, audio play-  
back, etc.  
White (yellow) lines are only on one side of road  
The LDA system will not operate for the side on which white (yellow) lines  
could not be recognized.  
After the vehicle has been parked in the sun  
The LDA system may not be available and a warning message may be dis-  
played for a while after starting off. When the temperature in the cabin  
decreases and the temperature around the front sensor (P. 251) becomes  
suitable for its operation, the system will begin to operate.  
If there are lane markers on only one side of the vehicle  
The lane departure warning will not operate for the side on which lane mark-  
ers could not be recognized.  
272  
4-5. Toyota Safety Sense  
Conditions in which functions may not operate properly  
In the following situations, the front sensor may not detect white (yellow) lines  
and various functions may not operate normally.  
There are shadows on the road that run parallel with, or cover, the white  
(yellow) lines.  
The vehicle is driven in an area without white (yellow) lines, such as in front  
of a tollgate or checkpoint, or at an intersection, etc.  
The white (yellow) lines are cracked, or cat's eyes (reflective markers) or  
stones are present.  
The white (yellow) lines cannot be seen or are difficult to see due to sand,  
etc.  
The vehicle is driven on a road surface that is wet due to rain, puddles, etc.  
The traffic lines are yellow (which may be more difficult to recognize than  
lines that are white).  
The white (yellow) lines cross over a curb, etc.  
The vehicle is driven on a bright surface, such as concrete.  
The vehicle is driven on a surface that is bright due to reflected light, etc.  
The vehicle is driven in an area where the brightness changes suddenly,  
such as at the entrances and exits of tunnels, etc.  
Light from the headlights of an oncoming vehicle, the sun, etc., enters the  
camera.  
The vehicle is driven where the road diverges, merges, etc.  
The vehicle is driven on a slope.  
The vehicle is driven on a road which tilts left or right, or a winding road.  
The vehicle is driven on an unpaved or rough road.  
The vehicle is driven around a sharp curve.  
The traffic lane is excessively narrow or wide.  
The vehicle is extremely tilted due to carrying heavy luggage or having  
improper tire pressure.  
The distance to the preceding vehicle is extremely short.  
The vehicle is moving up and down a large amount due to road conditions  
during driving (poor roads or road seams).  
The headlight lenses are dirty and emit a faint amount of light at night, or the  
beam axis has deviated.  
The vehicle has just changed lanes or crossed an intersection.  
Warning messages for the LDA system  
Warning messages are used to indicate a system malfunction or to inform the  
driver of the need for caution while driving.  
Customization  
P. 110  
273  
4-5. Toyota Safety Sense  
Automatic High Beam  
The Automatic High Beam uses an in-vehicle front sensor to  
assess the brightness of streetlights, the lights of vehicles  
ahead etc., and automatically turns the high beam on or off as  
necessary.  
WARNING  
Limitations of the Automatic High Beam  
Do not rely on the Automatic High Beam. Always drive safely, taking care to  
observe your surroundings and turning the high beam on or off manually if  
necessary.  
To prevent incorrect operation of the Automatic High Beam system  
Do not overload the vehicle.  
4
Activating the Automatic High Beam system  
Push the lever away from you with  
the headlight switch in  
position.  
The Automatic High Beam indica-  
tor will come on when the head-  
lights are turned on automatically  
to indicate that the system is  
active.  
: If equipped  
274  
4-5. Toyota Safety Sense  
Turning the high beam on/off manually  
Switching to low beam  
Pull the lever to original posi-  
tion.  
The Automatic High Beam indi-  
cator will turn off.  
Push the lever away from you to  
activate the Automatic High  
Beam system again.  
Switching to high beam  
Turn the light switch to  
position.  
The Automatic High Beam indi-  
cator will turn off and the high  
beam indicator will turn on.  
275  
4-5. Toyota Safety Sense  
High beam automatic turning on or off conditions  
When all of the following conditions are fulfilled, the high beam will be auto-  
matically turned on (after approximately 1 second):  
• Vehicle speed is approximately 40 km/h (25 mph) or more.  
• The area ahead of the vehicle is dark.  
• There are no vehicles ahead with headlights or tail lights turned on.  
• There are few streetlights on the road ahead.  
If any of the following conditions is met, the high beams will turn off automat-  
ically:  
• Vehicle speed is below approximately 30 km/h (19 mph).  
• The area ahead of the vehicle is not dark.  
• Vehicles ahead have their headlights or tail lights turned on.  
• There are many streetlights on the road ahead.  
Front sensor detection information  
The high beam may not be automatically turned off in the following situa-  
tions:  
• When vehicles ahead suddenly appear from a curve  
• When the vehicle is cut in front of by another vehicle  
• When vehicles ahead are hidden from sight due to repeated curves, road  
dividers or roadside trees  
4
• When vehicles ahead appear from the faraway lane on wide road  
• When vehicles ahead have no lights  
The high beam may be turned off if a vehicle ahead that is using fog lights  
without using the headlights is detected.  
House lights, street lights, traffic signals, and illuminated billboards or signs  
may cause the high beam to switch to the low beams, or the low beams to  
remain on.  
The following factors may affect the amount of time taken to turn the high  
beam on or off:  
• The brightness of headlights, fog lights, and tail lights of vehicles ahead  
• The movement and direction of vehicles ahead  
• When a vehicle ahead only has operational lights on one side  
• When a vehicle ahead is a two-wheeled vehicle  
• The condition of the road (gradient, curve, condition of the road surface,  
etc.)  
• The number of passengers and amount of luggage  
The high beam may be turned on or off when the driver does not expect it.  
Bicycles or similar objects may not be detected.  
276  
4-5. Toyota Safety Sense  
In the situations shown below, the system may not be able to accurately  
detect surrounding brightness levels. This may cause the low beams to  
remain on or the high beams to cause problems for pedestrians, vehicles  
ahead or other parties. In these cases, manually switch between the high  
and low beams.  
• In bad weather (rain, snow, fog, sandstorms, etc.)  
• The windshield is obscured by fog, mist, ice, dirt, etc.  
• The windshield is cracked or damaged.  
• The front sensor is deformed or dirty.  
• The front sensor temperature is extremely high.  
• Surrounding brightness levels are equal to those of headlights, tail lights  
or fog lights.  
• Vehicles ahead have headlights or tail lights that are either switched off,  
dirty, are changing color, or are not aimed properly.  
• When driving through an area of intermittently changing brightness and  
darkness.  
• When frequently and repeatedly driving ascending/descending roads, or  
roads with rough, bumpy or uneven surfaces (such as stone-paved  
roads, gravel tracks, etc.).  
• When frequently and repeatedly taking curves or driving on a winding  
road.  
• There is a highly reflective object ahead of the vehicle, such as a sign or  
a mirror.  
• The back of a vehicle ahead is highly reflective, such as a container on a  
truck.  
• The vehicle’s headlights are damaged or dirty, or are not aimed properly.  
• The vehicle is listing or titling due to a flat tire, a trailer being towed, etc.  
• The high beam and low beam are repeatedly being switched between in  
an abnormal manner.  
• The driver believes that the high beam may be causing problems or dis-  
tress to other drivers or pedestrians nearby.  
277  
4-5. Toyota Safety Sense  
RSA (Road Sign Assist)  
Summary of function  
RSA recognizes specific road signs using the front sensor and pro-  
vides information to the driver via the multi-information display.  
If the system judges that the vehicle is being driven over the speed  
limit, performing prohibited actions, etc., in relation to the recognized  
road signs, it alerts the driver using a warning display and warning  
buzzer*.  
*: This setting needs to be customized.  
Front sensor  
4
: If equipped  
278  
4-5. Toyota Safety Sense  
Indication on the multi-information display  
After the front sensor recognizes a sign, it is displayed on the multi-  
information display when the vehicle passes the sign.  
When the driving assist system  
information is selected, a maxi-  
mum of 3 signs can be dis-  
played. (P. 107)  
When other than the driving  
assist system information is  
selected, a speed limit sign or  
an all canceled sign can be dis-  
played. (P. 107)  
A no overtaking sign and a speed  
limit sign with supplemental mark  
are not displayed. However, if  
signs other than speed limit signs  
are recognized, they are men-  
tioned in a stack under the current  
speed limit sign.  
279  
4-5. Toyota Safety Sense  
Types of recognized road signs  
The following types of road signs, including electronic signs and blink-  
ing signs, are recognized.  
A non-official (not meeting the Vienna Convention) or a recently intro-  
duced traffic sign may not be recognized.  
Type  
Multi-information display  
Speed limit begins/ends*1  
Rain  
Speed limit with  
supplemental  
mark  
4
(Displayed simul-  
taneously with  
speed limit)  
Ice  
On/off ramp*2  
Supplemental  
mark exists  
(Display example)  
(Contents not rec-  
ognized)  
No overtaking begins/ends  
All canceled  
(All restrictions canceled. Returns to  
default road regulation.)  
*1: A speed limit sign with a value greater than 130 may not be recognized  
and a wrong speed limit may be displayed.  
*2: If the turn signal indicator is not operated when changing lanes, the mark  
does not display.  
280  
4-5. Toyota Safety Sense  
Warning display  
In the following situations, the RSA system alerts the driver using a  
warning display.  
When the vehicle speed exceeds the speed warning threshold  
applied to the speed limit of the sign displayed on the multi-informa-  
tion display, the sign color becomes inverted.  
If it is detected that your vehicle is overtaking when a no overtaking  
sign is displayed on the multi-information display, the sign flashes.  
Depending on the situation, traffic environment (traffic direction,  
speed, unit) may be detected incorrectly and a warning display may  
not operate properly.  
Automatic turn-off of RSA sign display  
One or more signs automatically turn off in the following situations.  
A new sign is not recognized for a certain distance.  
The road changes due to a left or right turn, etc.  
Depending on the situation, the driving behavior (turning, lane change, etc.)  
may be detected incorrectly and the automatic turn-off may not operate  
properly.  
281  
4-5. Toyota Safety Sense  
Conditions in which the function may not operate or detect correctly  
In the following situations, RSA does not operate normally and may not rec-  
ognize signs, display the incorrect sign, etc. However, this does not indicate a  
malfunction.  
The front sensor is misaligned due to a strong impact being applied to the  
sensor, etc.  
Dirt, snow, stickers, etc., are on the windshield near the front sensor.  
In inclement weather such as heavy rain, fog, snow or sand storms  
Light from an oncoming vehicle, the sun, etc., enters the front sensor.  
The sign is small, dirty, faded, tilted or bent, and if an electronic sign, the  
contrast is poor.  
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 sensor for a short amount of time.  
The driving scene (turning, lane change, etc.) is judged incorrectly.  
Even if it is a sign not appropriate for the currently traveled lane, such a sign  
exists directly after a freeway branches, or in an adjacent lane just before  
merging.  
4
Stickers are attached to the rear of the preceding vehicle.  
A sign resembling a system compatible sign is recognized.  
The vehicle is driven in a country with a different direction of traffic.  
Side road speed signs may be detected and displayed (if positioned in sight  
of the front sensor) while the vehicle is traveling on the main road.  
Roundabout exit road speed signs may be detected and displayed (if posi-  
tioned in sight of the front sensor) while traveling on a roundabout.  
The speed information displayed on the meter and that displayed on the  
Navigation system (if equipped) may be different due to the Navigation sys-  
tem using map data.  
282  
4-5. Toyota Safety Sense  
When driving vehicle in country with different speed unit  
Since RSA recognizes signs based on the set unit of the meter, it is neces-  
sary to change the set unit of the meter. Adjust the set unit of the meter to the  
speed unit of signs in the current location. (P. 628)  
Turning the system on/off  
1
Select  
on the settings display  
(P. 113)  
2
Press the enter/set switch on the meter  
control switches.  
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” position (vehicles without smart entry & start  
system) or IGNITION ON mode (vehicles with smart entry & start system).  
When “Check RSA system.” is displayed on the multi-information dis-  
play  
The system may be malfunctioning. Have the vehicle inspected by any autho-  
rized Toyota dealer or repairer, or another duly qualified and equipped profes-  
sional immediately.  
Customization  
The settings for warning display, warning buzzer*, speeding warning thresh-  
old, etc., can be changed. (Customizable feature: P. 628)  
*: If a speed limit with supplemental mark is exceeded, the warning buzzer  
does not operate.  
WARNING  
Before using the RSA  
Do not rely solely upon the RSA system. RSA is a system which supports  
the driver by providing information, but it is not a replacement for a driver’s  
own vision and awareness. Drive safely by always paying careful attention  
to the traffic rules.  
Inappropriate or negligent driving could lead to an unexpected accident.