engine TOYOTA IQ 2012 Owner's Guide

172 2-1. Driving procedures
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CAUTION
When taking a nap in the vehicle
Always turn the engine off. Otherwise, you may accidentally move the shift
lever or depress the accelerator pedal, which could cause an accident or fire
due to engine overheating. Additionally, if the vehicle is parked in a poorly
ventilated area, exhaust gases may collect and enter the vehicle, leading to
death or a serious health hazard.
When braking the vehicle
When the brakes are wet, drive more cautiously.
Braking distance increases when the brakes are wet, and may cause one
side of the vehicle to brake differently than the other side. Also the parking
brake may not securely hold the vehicle.
If the power brake assist function does not operate, do not follow other
vehicles closely and avoid downhills or sharp turns that require braking.
In this case, braking is still possible, but it will require more force on the
pedal than usual. Braking distance may also increase. Have your brakes
fixed immediately.
Do not pump the brake pedal if the engine stalls.
Each push on the pedal uses up your reserve for the power-assisted
brakes.
The brake system consists of 2 individual hydraulic systems: If one of the
systems fails, the other will still operate. In this case, the brake pedal
should be depressed more firmly than usual and braking distance
becomes longer.
Have your brakes fixed immediately.

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NOTICE
When encountering flooded roads
Do not drive on a road that has flooded after heavy rain etc. Doing so may
cause the following serious damage to the vehicle.
Engine stalling
Short in electrical components
Engine damage caused by water immersion
In the event that you drive on a flooded road or the vehicle is flooded, be
sure to have any authorized Toyota dealer or repairer, or another duly quali-
fied and equipped professional check the following.
Brake function
Changes in quantity and quality of engine oil, transmission fluid, etc.
Lubricant condition for the bearings and suspension joints (where possi-
ble) and the function of all joints, bearings, etc.

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Engine (ignition) switch (vehicles without smart entr y & start system)
Engine switch
LOCK
The steering wheel is locked
and the key can be removed.
(Vehicles with a Multidrive: The
key can be removed only when
the shift lever is in P.)
ACC
Some electrical components
such as the audio system can
be used.
ON
All electrical components can
be used.
START
For starting the engine.
Starting the engine
Multidrive
Check that the parking brake is set.
Check that the shift lever is set in P.
Sit in the driver’s seat and firmly depress the brake pedal.
Turn the engine switch to the START position and start the
engine.
Manual transmission
Check that the parking brake is set.
Check that the shift lever is set in N.
Firmly depress the brake pedal and clutch pedal.
Turn the engine switch to the START position and start the
engine.

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Turning the key from ACC to LOCK
Steering lock release
If the engine does not start
The engine immobilizer system may not have been deactivated. (P. 108)
Key reminder function
A buzzer sounds if the driver’s door is opened while the engine switch is in
the ACC or LOCK position, to remind you to remove the key.
CAUTION
When starting the engine
Always start the engine while sitting in the driver’s seat. Do not depress the
accelerator while starting the engine under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
Caution while driving
Do not turn the engine switch to the LOCK position.
If in an emergency, you must turn the engine off while the vehicle is moving,
turn the engine switch only to the ACC position.
Shift the shift lever to P (Multid-
rive) or N (manual transmission).
(P. 185189)
Push in the key and turn to the
LOCK position.
When starting the engine, the engine
switch may seem stuck in the LOCK posi-
tion. To free it, turn the key while turning
the steering wheel slightly in either direc-
tion.

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NOTICE
To prevent battery discharge
Do not leave the engine switch in the ACC or ON position for long periods if
the engine is not running.
When starting the engine
Do not crank for more than 30 seconds at a time. This may overheat the
starter and wiring systems.
Do not race a cold engine.
If the engine becomes difficult to start or stalls frequently, have the engine
checked immediately.

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Engine (ignition) switch (vehicles with smart entr y & start system)
Performing the following operations when carrying the electronic
key on your person starts the engine or changes “ENGINE START
STOP” switch modes.
Starting the engine
Multidrive
Check that the parking brake is set.
Check that the shift lever is set in P.
Sit in the driver’s seat and firmly depress the brake pedal.
The “ENGINE START STOP” switch indicator turns green. If the
indicator does not turn green, the engine cannot be started.
Press the “ENGINE START
STOP” switch.
The engine can be started
from any “ENGINE START
STOP” switch mode.
The engine will crank until it
starts or for up to 30 seconds,
whichever is less. If you press
and hold the “ENGINE START
STOP” switch, the engine will
keep cranking for about 30
seconds maximum.
Continue depressing the brake
pedal until the engine is com-
pletely started.

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Manual transmission
Check that the parking brake is set.
Check that the shift lever is set in N.
Sit in the driver’s seat and firmly depress the clutch pedal.
The “ENGINE START STOP” switch indicator turns green. If the
indicator does not turn green, the engine cannot be started.
Press the “ENGINE START
STOP” switch.
The engine can be started
from any “ENGINE START
STOP” switch mode.
The engine will crank until it
starts or for up to 30 seconds,
whichever is less. If you press
and hold the “ENGINE START
STOP” switch, the engine will
keep cranking for about 30
seconds maximum.
Continue depressing the clutch
pedal until the engine is com-
pletely started.

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Changing “ENGINE START STOP” switch mode
Modes can be changed by pressing the “ENGINE START STOP”
switch with the brake pedal (vehicles with a Multidrive) or clutch
pedal (vehicles with a manual transmission) released. (The mode
changes each time the switch is pressed.)
OFF
*
Emergency flashers can be
used.
ACCESSORY mode
Some electrical components
such as the audio system can
be used.
The “ENGINE START STOP”
switch indicator turns amber.
IGNITION ON mode
All electrical components can
be used.
The “ENGINE START STOP”
switch indicator turns amber.
*: For vehicles with a Multid-
rive, if the shift lever is in a
position other than P when
turning off the engine, the
“ENGINE START STOP”
switch will be turned to
ACCESSORY mode, not to
OFF.

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Steering lock
When the “ENGINE START STOP” switch is turned off and then a door is
opened and closed, the steering lock function locks the steering wheel in its
current position. The steering lock is disabled when the “ENGINE START
STOP” switch is operated again.
Steering lock release
Steering lock motor overheat prevention
If the engine is started and stopped repeatedly in a short time, operation of
the steering lock motor is restricted to prevent overheating. If this occurs,
wait momentarily without operating the “ENGINE START STOP” switch. The
system will return to its normal condition in approximately 10 seconds.
If the engine does not start
P. 423
When the “ENGINE START STOP” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by any
authorized Toyota dealer or repairer, or another duly qualified and equipped
professional, immediately.
Make sure that the steering wheel lock is
released.
To release the steering wheel lock, gently
turn the wheel left or right while pressing
the “ENGINE START STOP” switch.
If the steering wheel lock does not
release, the “ENGINE START STOP”
switch indicator will flash green.

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Auto power OFF function
Multidrive
If the vehicle is left in ACCESSORY mode for more than 20 minutes or
IGNITION ON mode (the engine is not running) for more than an hour
with the shift lever in P, the “ENGINE START STOP” switch will automati-
cally turn off. However, this function cannot entirely prevent battery dis-
charge. Do not leave the vehicle with the “ENGINE START STOP” switch
in ACCESSORY or IGNITION ON mode for long periods of time when the
engine is not running.
Manual transmission
If the vehicle is left in ACCESSORY mode for more than 20 minutes or
IGNITION ON mode (the engine is not running) for more than an hour, the
“ENGINE START STOP” switch will automatically turn off. However, this
function cannot entirely prevent battery discharge. Do not leave the
vehicle with the “ENGINE START STOP” switch in ACCESSORY or
IGNITION ON mode for long periods of time when the engine is not
running.
“ENGINE START STOP” switch operation
When operating the “ENGINE START STOP” switch, push it quickly and
firmly. If the switch is not pushed firmly, the mode may not change or the
engine may not start. Furthermore, if the switch is pushed quickly and firmly,
there is no need to hold it down.
If the electronic key does not operate properly
P. 427
Electronic key battery depletion
P. 4 3
When the electronic key battery is fully depleted
P. 357
Conditions affecting operation
P. 6 1
Note for the entry function
P. 4 4