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■ Operational conditions
The pre-collision system is enabled and determines that the possibility of a
frontal collision with a vehicle (except motorcycles and bicycles) is high.
● Pre-collision warning:
• Vehicle speed is approximately 15 to 140 km/h (10 to 86 mph).
• The relative speed between your vehicle and the vehicle ahead is
greater than approximately 15 km/h (10 mph).
● Pre-collision brake assist:
• Vehicle speed is approximately 30 to 80 km/h (19 to 49 mph).
• The relative speed between your vehicle and the vehicle ahead is
greater than approximately 30 km/h (19 mph).
● Pre-collision braking:
• Vehicle speed is approximately 10 to 80 km/h (7 to 49 mph).
• The relative speed between your vehicle and the vehicle ahead is
greater than approximately 10 km/h (7 mph).
When the brake pedal is stepped on, the system judges if evasion actions
are being done by the driver and the start timing for pre-collision braking
may be delayed.
During the following, the driver oper ations takes precedence and the system
may not operate:
● The accelerator pedal is depressed strongly.
● The steering wheel is turned sharply or abruptly.
In case of the following, the system will not operate:
● If a battery terminal has been disconnected and reconnected and then
the vehicle has not been driven for a certain amount of time
● If VSC is disabled (only the pre-collision warning function will be opera-
tional)
● If the PCS warning light is flashing or illuminated
● When the shift position is in “R”
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■ If the PCS warning light flashes or illuminates, and a warning message
is displayed on the multi-information display
The pre-collision system may be tempor arily unavailable or there may be a
malfunction in the system.
● In the following situations, the indicator and message will be cleared and
the system will become operational when normal operating conditions
return:
• When the area around the front sensor is hot, such as after the vehicle
has been parked in the sun
• When the windshield is fogged up or covered with condensation or ice
( P. 334, 344)
• 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 illuminate, 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.
■ If the TRC and VSC+ are disabled
● If the TRC and VSC+ are disabled (P. 313), pre-collision brake assist
and pre-collision braking are also di sabled. However, the pre-collision
warning function will still operate.
● The PCS warning light will turn on and a warning message will be dis-
played on the multi-information display. ( P. 551)
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2-5. Using other driving systems
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When driving
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■ Sensor detection information
● 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 a sensor.
• A sensor is frozen.
• A 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 vehicl es, or other loud noises producing
ultrasonic waves.
• There is another vehicle equipped with parking assist sensors in the
vicinity.
• A sensor is coated with a sheet of spray or heavy rain.
• The vehicle is equipped with a fender pole or radio antenna.
• Towing eyelet is installed.
• A bumper or sensor receives a strong impact.
• The vehicle is approaching a tall or right-angled curb.
• In harsh sunlight or intense cold weather.
• A non-genuine Toyota suspension (lowered suspension etc.) is
installed.
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.
● The shape of the obstacle may prevent a sensor from detecting it. Pay
particular attention to the following obstacles:
• Wires, fences, ropes, etc.
• Cotton, snow and other materials that absorb sound waves
• Sharply-angles objects
• Low obstacles
• Tall obstacles with upper sections projecting outwards in the direction
of your vehicle
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WARNING
■ When the Stop & Start system is operating
● Keep the shift lever in “N” and apply the brake pedal or parking brake for
safety while the engine is stopped due to the Stop & Start system (while
Stop & Start indicator is on).
Unexpected accidents may occur due to the automatic engine start func-
tion.
● Do not leave the vehicle while the engine is stopped due to the Stop &
Start system (while Stop & Start indicator is on).
Unexpected accidents may occur due to the automatic engine start func-
tion.
● Ensure that the engine is not stopped by the Stop & Start system while the
vehicle is in a poorly ventilated area. The engine may restart due to the
automatic engine start function, causing exhaust gases to collect and
enter the vehicle and resulting in death or a serious health hazard.
NOTICE
■ To ensure the system operates correctly
If any one of the following situations occurs, the Stop & Start system may not
operate correctly, thus, please have your vehicle checked by any authorized
Toyota dealer or repairer, or anot her duly qualified and equipped profes-
sional.
● While the driver’s seat belt is fastened, the driver’s and front passenger’s
seat belt reminder light flashes.
● Even when the driver’s seat belt is not fastened, the driver’s and front pas-
senger’s seat belt reminder light remains off.
● Even when the driver’s door is closed, the open door warning light comes
on, or the interior light comes on when the interior light switch is in the door
position.
● Even when the driver’s door is opened, the open door warning light does
not come on, or the interior light does not come on when the interior light
switch is in the door position.
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When driving
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■ Turning off TRC and VSC+
Push and hold the button for
more than 3 seconds while the
vehicle is stopped to turn off
TRC and VSC+.
A message will be shown on the
multi-information display and the
VSC OFF indicator will come on.
Push the button again to turn the
system back on.
On vehicles with pre-collision sys-
tem, pre-collision brake assist
and pre-collision braking will also
be disabled. The PCS warning
light will come on. ( P. 274)
■Automatic reactivation of TRC and VSC+
Vehicles without smart entry & start system
Turning the engine switch off after turning off the TRC and VSC+ systems
will automatically re-enable them.
Vehicles with smart entry & start system
Turning the “ENGINE START STOP” switch off after turning off the TRC
and VSC+ systems will automatically re-enable them.
■ Automatic TRC reactivation
If only the TRC system is turned off, the TRC system will turn on when vehi-
cle speed increases.
■ Automatic TRC and VSC+ reactivation
If the TRC and VSC+ systems are turned off, the systems will not turn on
even when vehicle speed increases.
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■ Sounds and vibrations caused by the ABS, brake assist, TRC, VSC+
and hill-start assist control systems
● A sound may be heard from the engine compartment when the engine is
started or just after the vehicle begins to move. This sound does not indi-
cate 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 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.
■ EPS operation sound
When the steering wheel is operated, a motor sound (whirring sound) may
be heard. This does not indicate a malfunction.
■ Operating conditions of hill-start assist control
When the following four conditions are met, the hill-start assist control will
operate:
● On vehicles with a Multidrive, the shift lever is in a position other than “P”
or “N” (when starting off forward/backward on an upward incline).
● The vehicle is stopped.
● The accelerator pedal is not depressed.
● The parking brake is not engaged.
■ Automatic system cancelation of hill-start assist control
The hill-start assist control will turn off in any of the following situations:
● On vehicles with a Multidrive, the shift lever is moved to “P” or “N”.
● The accelerator pedal is depressed.
● The parking brake is engaged.
● Approximately 2 seconds elapse after the brake pedal is released.
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WARNING
■ Hill-start assist control does not operate effectively when
● Do not overly rely on the hill-start assist control. The hill-start assist control
may not operate effectively on steep inclines and roads covered with ice.
● 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 control to hold the vehicle on an incline, as doing so may
lead to an accident.
■ When the VSC+ 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 and VSC+ are off
Be especially careful and drive at a speed appropriate to the road condi-
tions. As these are systems to help ensure vehicle stability and driving force,
do not turn off TRC and VSC+ unless necessary.
■ Replacing tires
Make sure that all tires are of the same size, brand, tread pattern and total
load capacity. In addition, make sure that the tires are inflated to the speci-
fied tire pressure level.
The ABS and VSC+ systems will not function correctly if different tires are fit-
ted on the vehicle.
Contact any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional for further information when replacing tires or
wheels.
■ Handling of tires and suspension
Using tires with any kind of problem or modifying the suspension will affect
the driving assist systems, and may cause the system to malfunction.
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2-6. Driving information
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Winter driving tips
Carry out the necessary preparations and inspections before driving
the vehicle in winter. Always drive the vehicle in a manner appropri-
ate to the prevailing weather conditions.
■ Pre-winter preparations
● Use fluids that are appropriate to the prevailing outside tem-
peratures.
• Engine oil
• Engine coolant
• Washer fluid
● Have a service technician inspect the condition of the battery.
● Have the vehicle fitted with four snow tires or purchase a set
of tire chains for the front tires.
Ensure that all tires are the same size and brand, and that chains
match the size of the tires.
■ Before driving the vehicle
Perform the following according to the driving conditions:
● Do not try to forcibly open a window or move a wiper that is
frozen. Pour warm water over the frozen area to melt the ice.
Wipe away the water immediately to prevent it from freezing.
● To ensure proper operation of the climate control system fan,
remove any snow that has accumulated on the air inlet vents
in front of the windshield.
● Check for and remove any excess ice or snow that may have
accumulated on the exterior lights, vehicle’s roof, chassis,
around the tires or on the brakes.
● Remove any snow or mud from the bottom of your shoes
before getting in the vehicle.