light TOYOTA YARIS GRMN 2017 Workshop Manual

2034-3. Operating the lights and wipers
4
Driving
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Washer/wiper dual operation
The wiper will automatically oper-
ate a couple of times after the
washer squirts.
(After operating several times, the
wiper operate one more time after
a short delay to prevent dripping.)
■ The windshield wiper and washer can be operated when
The engine switch is in IGNITION ON mode.
■ Raindrop sensor
● If the wiper switch is turned to while the engine switch is in IGNITION
ON mode, the wiper will operate once to show that “AUTO” mode is acti-
vated.
● When the sensor sensitivity ring is turned toward high while in “AUTO”
mode, the wiper will operate once to indicate that the sensor sensitivity is
enhanced.
● If the temperature of the raindrop sensor is 90°C (194°F) or higher, or -15°C
(5°F) or lower, automatic operation may not occur. In this case, operate the
wiper in any mode other than “AUTO” mode.
■ If no windshield washer fluid sprays
Check that the washer nozzle is not blocked, if there is washer fluid in the
windshield washer fluid reservoir.
● The raindrop sensor judges the amount
of raindrops.
An optical sensor is adopted. It may not
operate properly when sunlight from the
rising or setting of the sun intermittently
strikes the windshield, or if bugs etc. are
present on the windshield.

2044-3. Operating the lights and wipers
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WARNING
■Caution regarding the use of windshield wiper in “AUTO” mode
The windshield wiper may operate unexpectedly if the sensor is touched or
the windshield is subject to vibration in “AUTO” mode. Take care that your
fingers, etc., do not become caught in the windshield wiper.
■ Caution regarding the use of washer fluid
When it is cold, do not use the washer fluid until the windshield becomes
warm. The fluid may freeze on the windshield and cause low visibility. This
may lead to an accident, resulting in death or serious injury.
NOTICE
■ When the windshield is dry
Do not use the wiper, as they may damage the windshield.
■ When there is no washer fluid spray from the nozzle
Damage to the washer fluid pump may be caused if the lever is pulled
toward you and held continually.
■ When a nozzle becomes blocked
In this case, contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
Do not try to clear it with a pin or other object. The nozzle will be damaged.

205
4
4-3. Operating the lights and wipers
Driving
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Rear window wiper and washer
Turning the end of the lever turns on the rear window wiper and
washer.
Off
Intermittent window wiper
operation
Normal window wiper
operation
Washer/wiper dual opera-
tion
Washer/wiper dual opera-
tion
The wiper will automatically
operate a couple of times
after the washer squirts.
■ The rear window wiper and washer can be operated when
The engine switch is in IGNITION ON mode.
■ If no washer fluid sprays
Check that the washer nozzle is not blocked, if there is washer fluid in the
washer fluid reservoir.
Operation instructions

2064-3. Operating the lights and wipers
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NOTICE
■When the rear window is dry
Do not use the wiper, as it may damage the rear window.
■ When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may over-
heat.
■ When a nozzle becomes blocked
In this case, contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
Do not try to clear it with a pin or other object. The nozzle will be damaged.

2094-4. Refueling
4
Driving
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After refueling, turn the fuel tank
cap until you hear a click. Once
the cap is released, it will turn
slightly in the opposite direction.
Closing the fuel tank cap
WARNING
■ When replacing the fuel tank cap
Do not use anything but a genuine Toyota fuel tank cap designed for your
vehicle. Doing so may cause a fire or other incident which may result in
death or serious injury.

2114-5. Using the driving support systems
4
Driving
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The slip indicator light will flash
while the TRC/VSC systems are
operating.
If the vehicle gets stuck in mud, dirt or snow, the TRC system may
reduce power from the engine to the wheels. Pressing 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 “TRC off” will be shown on
the multi-information display.
Press again to turn the sys-
tem back on.
When the TRC/VSC systems are operating
Disabling the TRC system

2124-5. Using the driving support systems
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■Turning off both TRC and VSC systems
To turn TRC and VSC systems off, press and hold for more than 3 sec-
onds while the vehicle is stopped.
The VSC off indicator light will come on and the “TRC off” will be shown on
the multi-information display.
Press again to turn the systems back on.
■ 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 the following four conditions are me t, the hill-start assist control will
operate:
● 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.
■ Automatic system cancelation of hill-start assist control
The hill-start assist control will turn off in any of the following situations:
● 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 backward on an
upward incline.
● The accelerator pedal is depressed.
● Approximately 2 seconds elapse.
● 2 seconds at maximum elapsed after the brake pedal is released.

2134-5. Using the driving support systems
4
Driving
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■ Sounds and vibrations caused by the ABS, brake assist, VSC, TRC, and
hill-start assist control systems
● 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.
■ EPS operation sound
When the steering wheel is operated, a motor sound (whirring sound) may be
heard. This does not indicate a malfunction.
■ 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
If both the TRC and VSC systems are turned off, automatic re-enabling will
not occur when vehicle speed increases.
■ 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 engine off. The EPS system should return to normal within 10
minutes.

2154-5. Using the driving support systems
4
Driving
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WARNING
■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/VSC 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 driving
force, do not turn the TRC/VSC systems off unless necessary.
■ 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 pressure level.
The ABS, TRC and VSC systems will not function 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 suspension
Using tires with any kind of problem or modifying the suspension will affect
the driving assist systems, and may cause a system to malfunction.

2164-6. Driving tips
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Winter driving tips
●Use fluids that are appropriate to the prevailing outside tempera-
tures.
• Engine oil
• Engine/intercooler coolant
• Washer fluid
● Have a service technician inspect the condition of the battery.
● Have the vehicle fitted with four snow tires.
Ensure that all tires are the same size and brand.
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 accu-
mulated 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.
Carry out the necessary preparations and inspections before
driving the vehicle in winter. Always drive the vehicle in a man-
ner appropriate to the prevailing weather conditions.
Preparation for winter
Before driving the vehicle