2012 TOYOTA IQ sensor

215 2-3. Operating the lights and wipers
2
When driving
iQ_WE_74014E
Light reminder buzzer
Vehicles without smart entry & start system
A buzzer sounds when the engine switch is turned OFF or turned to the
ACC position and the driver’s door is opened while the lights are turned
on.
Vehicles with smart entry & start system
A buzzer sounds when the “ENGINE START STOP” switch is turned OFF
or switched to ACCESSORY mode and the driver’s door is opened while
the lights are turned on.
Customization that can be configured at any authorized Toyota dealer
or repairer, or another duly qualified and equipped professional
Settings of the light sensor sensitivity can be changed.
(Customizable features P. 459)
NOTICE
To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not run-
ning.

219 2-3. Operating the lights and wipers
2
When driving
iQ_WE_74014E
Rain-sensing windshield wipers (if equipped)
With “AUTO” selected, the wipers will operate automatically
when the sensor detects falling rain. The system automatically
adjusts wiper timing in accordance with rain volume and vehicle
speed.
Rain-sensing wiper opera-
tion
Low speed windshield wiper
operation
High speed windshield
wiper operation
Temporary operation
Sensor sensitivity (high)
Sensor sensitivity (low)

220 2-3. Operating the lights and wipers
iQ_WE_74014E
The windshield wiper and washer can be operated when
Vehicles without smart entry & start system
The engine switch is in the ON position.
Vehicles with smart entry & start system
The “ENGINE START STOP” switch is in IGNITION ON mode.
Effects of vehicle speed on wiper operation (vehicles with rain-sensing
windshield wipers)
Even when the wipers are not in AUTO mode, wiper operation varies
depending on vehicle speed when the washer is being used (delay until drop
prevention wiper sweep occurs).
Rain drop sensor (vehicles with rain-sensing windshield wipers)
Washer/wiper dual opera-
tion
Wipers will automatically oper-
ate a couple of times after the
washer squirts.
The sensor judges the amount of rain-
drops.

221 2-3. Operating the lights and wipers
2
When driving
iQ_WE_74014E
Vehicles without smart entry & start system:
If the wiper switch is turned to AUTO position while the engine switch is in
the ON position, the wiper will operate once to show that AUTO mode is
activated.
Vehicles with smart entry & start system:
If the wiper switch is turned to AUTO position while the “ENGINE START
STOP” switch is in IGNITION ON mode, the wiper will operate once to
show that AUTO mode is activated.
If the temperature of the raindrop sensor is 90°C (194°F) or higher, or
-10°C (14°F) or lower, automatic operation may not occur. In this case,
operate the wipers in any mode other than “AUTO”.
If no windshield washer fluid sprays
Check that the washer nozzles are not blocked and that there is washer fluid
in the windshield washer fluid reservoir.
CAUTION
Caution regarding the use of windshield wipers in AUTO mode
(vehicles with rain-sensing windshield wipers)
The windshield wipers may operate unexpectedly if the sensor is touched or
the windshield is subject to vibration in AUTO mode. Take care that your fin-
gers or anything else does not become caught in the windshield wipers.
NOTICE
When the windshield is dry
Do not use the wipers, 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
Do not try to clear it with a pin or other object. The nozzle will be damaged.

307 4-1. Maintenance and care
4
Maintenance and care
iQ_WE_74014E
Aluminum wheels (if equipped)
Remove any dirt immediately by using a neutral detergent. Do not use
hard brushes or abrasive cleaners. Do not use strong or harsh chemical
cleaners. Use the same mild detergent and wax as used on the paint.
Do not use detergent on the wheels when they are hot, for example after
driving for long distance in the hot weather.
Wash detergent from the wheels immediately after use.
Bumpers and side moldings
Do not scrub with abrasive cleaners.
CAUTION
When cleaning the windshield (vehicles with rain-sensing windshield
wipers)
When the upper part of the windshield where the raindrop sensor is
located is touched by hand
When a wet rag or similar is held close to the raindrop sensor
If something bumps against the windshield
If you directly touch the raindrop sensor body or if something bumps into
the raindrop sensor
Caution about the exhaust pipe
Exhaust gasses cause the exhaust pipe to become quite hot.
When washing the vehicle, be careful not to touch the pipe until it has cooled
sufficiently, as touching a hot exhaust pipe can cause burns.
Set the wiper switch to off.
If the wiper switch is in AUTO, the wipers
may operate unexpectedly in the follow-
ing situations, and may result in hands
being caught or other serious injuries and
cause damage to the wiper blades.
Off

404 5-2. Steps to take in an emergency
iQ_WE_74014E
If the malfunction indicator lamp comes on while driving
The malfunction indicator lamp will come on if the fuel tank becomes com-
pletely empty. If the fuel tank is empty, refuel the vehicle immediately. The
malfunction indicator lamp will go off after several trips.
If the malfunction indicator lamp does not go off, contact any authorized
Toyota dealer or repairer, or another duly qualified and equipped
professional as soon as possible.
Front passenger detection sensor and passenger seat belt reminder
If luggage is placed on the front passenger seat, the front passenger
detection sensor may cause the warning light to flash, even if a passen-
ger is not sitting in the seat.
If a cushion is placed on the seat, the sensor may not detect a passen-
ger, and the warning light may not operate properly.
Electric power steering system warning light (warning buzzer)
When the battery charge becomes insufficient or the voltage temporarily
drops, the electric power steering system warning light may come on and
warning buzzer may sound.
Customization that can be configured at any authorized Toyota dealer
or repairer, or another duly qualified and equipped professional
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features P. 459)
CAUTION
When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating, hold
firmly and operate using more force than usual.

459
6
Vehicle specifications
iQ_WE_74014E
6-2. Customization
Customizable features
ItemFunctionDefault settingCustomized
setting
Smart entry
& start
system
(if equipped)
(
P. 39)Smart entry & start sys-
temON OFF
Operation signal
(Emergency flashers) ON OFF
Wireless
remote
control
(
P. 62)Wireless remote control ON OFF
Time elapsed before
automatic door lock
function is activated if
door is not opened after
being unlocked30 seconds60 seconds
120 seconds
Operation signal
(Emergency flashers)ON OFF
Door lock buzzer (vehi-
cles with smart entry &
start system)ON OFF
Automatic
light control
system
(P. 211)Light sensor sensitivity Level 3 Level 1 to 5
Your vehicle includes a variety of electronic features that can be per-
sonalized to your preferences. Programming these preferences
requires specialized equipment and may be performed by any autho-
rized Toyota dealer or repairer, or another duly qualified and
equipped professional.
Some function settings are changed simultaneously with other functions
being customized. Contact any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional.