engine TOYOTA GR YARIS 2021 Workshop Manual

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4-2. Driving procedures
Driving
multi-information display.
Press the engine switch shortly and firmly while turning the steering wheel left and right.
●To prevent the steering lock motor from overheating, operation of the
motor may be suspended if the engine is turned on and off repeatedly in a short period of time. In this case,
refrain from operating the engine switch. After about 10 seconds, the steering lock motor will resume func-
tioning.
■Electronic key battery
→ P. 2 9 5
■Operation of the engine switch
●If the switch is not pressed shortly and firmly, the engine switch mode may not change or the engine may not
start.
●If attempting to restart the engine
immediately after turning the engine switch off, the engine may not start in some cases. After turning the engine
switch off, please wait a few seconds before restarting the engine.
■Customization
If the smart entry & start system has
been deactivated in a customized set- ting, refer to P.339.
1 Stop the vehicle completely.
2 Set the parking brake. (→P.143)
Check the parking brake indicator is illuminated.
WARNING
■When starting the engine
Always start the engine while sitting in
the driver’s seat. Do not depress the accelerator pedal while starting the engine under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
■Caution while driving
If engine failure occurs while the vehi- cle is moving, do not lock or open the
doors until the vehicle reaches a safe and complete stop. Activation of the steering lock in this circumstance may
lead to an accident, resulting in death or serious injury.
NOTICE
■When starting the engine
●Do not race a cold engine.
●If the engine becomes difficult to start or stalls frequently, have your vehicle checked by any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer
immediately.
■Symptoms indicating a malfunc-
tion with the engine switch
If the engine switch seems to be oper- ating somewhat differently than usual,
such as the switch sticking slightly, there may be a malfunction. Contact any authorized Toyota retailer or
Toyota authorized repairer, or any reli- able repairer immediately.
Stopping the engine

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4-2. Driving procedures
3Shift the shift lever to N.
( →P.139)
4 Press the engine switch.
The engine will stop, and the meter dis- play will be extinguished.
5 Release the brake pedal and
check that “ACCESSORY” or
“IGNITION ON” is not shown on
the multi-information display.
Modes can be changed by pressing
the engine switch with clutch pedal
released. (The mode changes each
time the switch is pressed.)
“ACCESSORY”
“IGNITION ON”
1 OFF
The emergency flashers can be used.
2ACC
Some electrical components such as
the audio system can be used.
“ACCESSORY” will be displayed on the
multi-information display.
3 ON
All electrical components can be used.
“IGNITION ON” will be displayed on the
multi-information display.
■Auto power off function
If the vehicle is left in ACC or ON (the
engine is not running) for more than 20 minutes, the engine switch will automati-cally turn off. However, this function can-
not entirely prevent battery discharge. Do not leave the vehicle with the engine switch in ACC or ON for long periods of
time when the engine is not running.
WARNING
■Stopping the engine in an emer-
gency
●If you want to stop the engine in an emergency while driving the vehi-
cle, press and hold the engine switch for more than 2 seconds, or press it briefly 3 times or more in
succession. ( →P.306) However, do not touch the engine switch while driving except in an
emergency. Turning the engine off while driving will not cause loss of steering or braking control, but the
power assist to these systems will be lost. This will make it more diffi-cult to steer and brake, so you
should pull over and stop the vehi- cle as soon as it is safe to do so.
●If the engine switch is operated while the vehicle is running, a warn-ing message will be shown on the
multi-information display and a buzzer sounds.
●To restart the engine after perform-ing an emergency shutdown, depress the clutch pedal and then
press the engine switch.
Changing engine switch
modes

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4-2. Driving procedures
Driving
■Shifting the shift lever
1 Depress the clutch pedal firmly.
2 Shift the shift lever to the
desired gear.
Make sure to only shift gears sequen- tially.
3 Gradually release the clutch
pedal.
■Shifting the shift lever to R
Shift the shift lever to R while lifting
up the ring section.
NOTICE
■To prevent battery discharge
●Do not leave the engine switch in
ACC or ON for long periods of time without the engine running.
●If “ACCESSORY” or “IGNITION ON” is displayed on the multi-infor-mation display, the engine switch is
not off. Exit the vehicle after turning the engine switch off.
Manual transmission
Operating instructions

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4-2. Driving procedures
■Maximum allowable speeds
Observe the following maximum allow-
able speeds in each gear when maxi- mum acceleration is necessary.
The iMT optimally controls the
engine speed to suit the driver’s
operation of the clutch pedal and
shift lever, helping the driver to shift
Shift positionMaximum speed
km/h (mph)
158 (36)
292 (57)
3135 (84)
4178 (111)
5225 (140)
NOTICE
■To prevent damage to the vehicle
When shifting gears, observe the fol-
lowing precautions. Failure to do so may cause damage to the engine, manual transmission, and/or clutch.
●Do not shift the shift lever to R with-out depressing the clutch pedal.
●Do not lift up the ring section except when shifting the lever to R.
●Shift the shift lever to R only when the vehicle is stationary.
●Do not rest your hand on or hold the shift lever any time other than when shifting.
●In order to not cause the engine to overrev, make sure to only shift
gears sequentially.
●Do not release the clutch pedal
suddenly.
iMT (Intelligent Manual
Transmission)

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4-2. Driving procedures
Driving
gears more smoothly. Additionally,
when the clutch pedal is operated,
the iMT helps reduce shift shock,
allowing for lighter shift operations
when driving on a winding road or
incline.
Press the “iMT” switch.
The “iMT” indicator will illuminate in
green. Press the switch again to cancel
iMT.
■The iMT may not operate when
In the following situations, iMT may not operate.
However, this does not indicate a mal- function.
●The clutch pedal is not fully depressed.
●The clutch pedal is not fully released, such as if a foot is resting on the clutch pedal.
●Shift operation is performed after the vehicle has been coasting with the
shift lever in N.
●The shift lever is not operated for a
long time after the clutch pedal is depressed.
After the shift lever is moved, unless
your foot is completely removed from the clutch pedal, the iMT may not oper-ate and the engine speed may not be
controlled optimally for the next gear change. To enable the iMT, release the clutch pedal completely and then
depress it again before operating the
shift lever.
■If the “iMT” indicator illuminates in
yellow
The iMT may be temporarily unavailable or malfunctioning. Have the vehicle
inspected at any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
The Gear Shift Indicator is a guide
to help the driver achieve improved
fuel economy and reduced exhaust
emissions within limits of engine
performance.
Shift-up indicator
Shift-down indicator
■Gear Shift Indicator display
Gear Shift Indicator may not be dis- played when your foot is placed on the
clutch pedal.
WARNING
■Limitations of the iMT
iMT is not a system that prevents shift lever operation error or engine over
revving. Depending on the situation, iMT may not operate normally and the shift position may not be changed
smoothly. Overly relying on iMT may cause an unexpected accident.
Gear Shift Indicator

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4-2. Driving procedures
1Right turn
2 Lane change to the right (move
the lever partway and release it)
The right hand signals will flash 3 times.
3 Lane change to the left (move
the lever partway and release it)
The left hand signals will flash 3 times.
4 Left turn
■Turn signals can be operated when
The engine switch is in ON.
■If the indicator flashes faster than
usual
Check that a light bulb in the front or rear turn signal lights has not burned
out.
WARNING
■Gear Shift Indicator display
For safety, the driver should not look
only at the display. Refer to the dis- play when it is safe to do so while considering actual traffic and road
conditions. Failure to do so may lead to an acci-dent.
Turn signal lever
Operating instructions

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4-3. Operating the lights and wipers
4-3.Operating the lights and wipers
Operating the switch turns
on the lights as follows:
1 The headlights, daytime
running lights ( →P.144) and all
the lights listed below turn on
and off automatically.
2 The front position, tail,
license plate and instrument
panel lights turn on.
3 The headlights and all the
lights listed above turn on.
■AUTO mode can be used when
The engine switch is in ON.
■Daytime running light system
To make your vehicle more visible to
other drivers during daytime driving, the
daytime running lights turn on automati-
cally whenever the engine is started and
the parking brake is released with the
headlight switch in the position.
(Illuminate brighter than the front posi-
tion lights.) Daytime running lights are
not designed for use at night.
■Headlight control sensor
The sensor may not function properly if
an object is placed on the sensor, or anything that blocks the sensor is affixed to the windshield.
Doing so interferes with the sensor detecting the level of ambient light and may cause the automatic headlight sys-
tem to malfunction.
■Automatic light off system
●When the light switch is in or
: The headlights and front fog
lights turn off automatically if the
engine switch is turned to ACC or
OFF.
●When the light switch is in : The
headlights and all lights turn off auto-
matically if the engine switch is turned
to ACC or OFF.
To turn the lights on again, turn the
engine switch to ON, or turn the light
switch once and then back to
Headlight switch
The headlights can be oper-
ated manually or automatically.
Operating instructions

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4-3. Operating the lights and wipers
Driving
or .
■Light reminder buzzer
A buzzer sounds when the engine switch is turned to OFF or ACC and the driver’s door is opened while the lights
are turned on.
■When unlock the doors (welcome lamp)
When the doors are unlocked using the
entry function or wireless remote con- trol, the front position lights turn on auto-matically.
When the light switch is in the AUTO position and the surrounding area is dark, this function will operate.
■Battery-saving function
In order to prevent the battery of the
vehicle from discharging, if the light
switch is in the or position
when the engine switch is turned off the
battery saving function will operate and
automatically turn off all the lights after
approximately 20 minutes. When the
engine switch is turned to ON, the bat-
tery-saving function will be disabled.
When any of the following are per-
formed, the battery-saving function is
canceled once and then reactivated. All
the lights will turn off automatically 20
minutes after the battery-saving function
has been reactivated:
●When the headlight switch is operated
●When a door is opened or closed
■Customization
Some functions can be customized.
( →P.361)
1With the headlights on, push the
lever away from you to turn on
the high beams.
Pull the lever toward you to the center
position to turn the high beams off.
2 Pull the lever toward you and
release it to flash the high
beams once.
You can flash the high beams with the
headlights on or off.
This system allows the headlights
to be turned on for 30 seconds
when the engine switch is off.
Pull the lever toward you and
release it with the light switch in
after turning the engine switch
off.
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than
necessary when the engine is not run- ning.
Turning on the high beam
headlights
Extended Headlight Lighting

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4-3. Operating the lights and wipers
The lights are turned off in the fol-
lowing situations.
z The engine switch is turned to
ON.
z The light switch is turned on.
z The light switch is pulled toward
you and then released.
The level of the headlights can be
adjusted according to the number
of passengers and the loading con-
dition of the vehicle.
1 Raises the level of the head-
lights
2 Lowers the level of the head-
lights
■Guide to dial settings
Manual headlight leveling
dial
Occupancy and luggage
load conditionsDial position
OccupantsLuggage
load
DriverNone0
Driver and
front pas-
senger
None0.5
All seats
occupiedNone1.0
All seats
occupied
Full lug-
gage load-
ing
1.5
Driver
Full lug-
gage load-
ing
2.5

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4-3. Operating the lights and wipers
Driving
4 Temporary operation
When “AUTO” is selected, the wipers
will operate automatically when the
sensor detects falling rain. The system
automatically adjusts wiper timing in
accordance with rain volume and vehi-
cle speed.
When “AUTO” is selected, the sen-
sor sensitivity can be adjusted as
follows by turning the switch ring.
5 Increases the rain-sensing wind-
shield wiper sensitivity
6 Decreases the rain-sensing
windshield wiper sensitivity
7 Washer/wiper dual oper-
ation
Pulling the lever operates the wipers
and washer.
Wipers will automatically operate a cou-
ple of times after the washer squirts.
■The windshield wiper and washer can be operated when
The engine switch is in ON.
■Effects of vehicle speed on wiper operation
Vehicle speed affects the Intermittent
wiper interval.
■Raindrop sensor
●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 wind-
shield.
●If the wiper is turned to AUTO mode
while the engine switch is in ON, the wipers will operate once to show that AUTO mode is activated.
●If the temperature of the raindrop sen-sor is 85°C (185°F) or higher, or -15°C
(5°F) or lower, automatic operation may not occur. In this case, operate
the wipers in any mode other than AUTO mode.
■If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the windshield washer fluid reservoir.