2010 TOYOTA PRIUS fog light

241
2-4. Using other
driving systems
2
When driving
PRIUS_U (OM47668U) U.S.A.
CAUTION
■Situations unsuitable for the LKA system
Using the LKA system in any of the following situations may result in
improper operation of the system and could lead to an accident, causing
death or serious injury. Turn the LKA system off while driving in any of the
following situations.
● When it is difficult to see lane markings because they are dirty or not clear
● When it is difficult to see lane markings due to rain, snow, fog or glare
● When the headlights are not bright enough due to dirt on the lenses or if
the headlight aim is not adjusted appropriately
● When a lane marking is not present, such as before tollbooths on a free-
way
● When sudden changes in the light level occur repetitively
● When there are misleading lines such as shadows, lines of snow, wheel
ruts with rain collected in them, or lines that remain after road repairs
● When driving in lanes other than the driving lane or passing lane on free-
way or motor highways
● When there is a lane closure due to road repairs or when driving in a
makeshift lane
● When the lanes are narrow or wide
● When the distance from the vehicle ahead of you is short
● When the vehicle leans to one side an unusual amount due to a heavy
load or improper tire inflation pressure
● When driving on winding roads or on uneven roads
● When driving on slippery roads, such as those covered with rain, ice or \
snow
● The tires have been exchanged (including snow tires), or the suspension
has been modified

278 3-1. Using the air conditioning system and defogger
PRIUS_U (OM47668U) U.S.A.
■Micro dust and pollen filter
● In order to prevent the windows from fogging up when the outside air is
cold, the following may occur.
• Outside air mode does not switch to recirculated air mode.
• The air conditioning system operates automatically.
• The operation cancels after 1 minute.
● In rainy weather, the windows may fog up. Press .
■ When Eco Driving mode is on
● If the outside temperature exceeds a preset temperature, the system will
switch to recirculated air mode.
● The effectiveness of the air conditioning will be lower than normal.
● The fan speed level drops below the normal rate.
■ Plasmacluster™
* (if equipped)
Plasmacluster will operate in conjunction with the air conditioning fan motor
when it is turned on.
This air conditioning system adopts plasmacluster technology, which helps
to keep good air quality in the cabin by emitting positive and negative ions
through the driver’s side vent. 
A slight noise may be heard during operation. This is not a malfunction. Also,
static electricity may be discharged near the driver’s side vent due to the
high voltage used to operate the system.
To clean the driver’s side vent, turn the system off and wipe the vent using a
soft cloth.
*: Plasmacluster technology is manufactured under license from the SHARP
Corporation. 
“Plasmacluster™” is a trademark of the SHARP Corporation.
■ Air conditioning odors
● During use, various odors from inside and outside the vehicle may enter
into and accumulate in the air conditioning system. This may then cause
odor to be emitted from the vents.
● To reduce potential odors from occurring:
• It is recommended that the air conditioning system be set to outside air
mode prior to turning the vehicle off.

282
3-1. Using the air conditioning system and defogger
PRIUS_U (OM47668U) U.S.A.
Solar Ventilation System
: If equipped
The Solar Ventilation System uses energy provided by solar panel
built into the roof to operate a fa n contained within the air condition-
ing system, allowing ventilation of the vehicle interior when the vehi-
cle is parked in direct sunlight.
■ Activating the Solar Ventilation System
With the “POWER” switch in
ON mode, turn on the ventila-
tion switch.
Off
On
Turn the “POWER” switch OFF.
After approximately 1 minute, outside air mode will be selected
and the air vents will be put into FACE mode.
After approximately 10 minutes, the ventilation operation will
commence.
The ventilation operation will be canceled if the “POWER”
switch is turned to ON mode or the ventilation switch is turned
off.
STEP1
STEP2

283
3-1. Using the air conditioning system
and defogger
3
Interior features
PRIUS_U (OM47668U) U.S.A.
■Efficient use of the So lar Ventilation System
Efficient control of temperature increase can be achieved by using the sys-
tem in conjunction with the Remote Air Conditioning System. ( P. 285)
■ Operating conditions
The Solar Ventilation System may not operate under the following circum-
stances due to a lack of power from the solar panel:
● Low amount of sunlight
● Ever when a part of the solar panel is cast by a shadow.
● Ever when a part of the solar panel is covered by fallen leaves or dirt.
● The solar panel is not at a high temperature.
■ When using the Sola r Ventilation System
● Make sure that the “POWER” switch is in ON mode when turning the
ventilation switch on. If the ventilation switch is turned on while the
“POWER” switch is OFF, the air mode and the status of the air vents will
remain unchanged.
● Remove dirt or fallen leaves from the solar panel in order to ensure suffi-
cient electrical output.
● If the Solar Ventilation System is not needed, be sure to turn the ventila-
tion switch off, otherwise the following problems may occur:
• Dirty air and exhaust fumes from ot her vehicles may be drawn from
outside.
• Use in winter may cause heated interior air to leave the vehicle, thus leading to a drop in temperature.
■ Noises when using the Solar Ventilation System
If the amount of sunlight is insufficient, you may hear a sound coming from
the air conditioning system. This is the sound of a control function to pre-
serve the fan and does not indicate a malfunction.

286 3-1. Using the air conditioning system and defogger
PRIUS_U (OM47668U) U.S.A.
■Operating conditions
The system will only operate if all of the following conditions are met:
● The shift position is in “P”.
● The “POWER” switch is OFF.
● All doors are closed.
● The hood is closed.
● The brake pedal is not being depressed.
● The air conditioning is not set to MAX HOT.
■ When leaving the vehicle
● Check that the headlights are switched to either off or “AUTO”.
● Check that the wiper switch is turned off.
● Check that all windows are closed.
● Check the temperature setting of the air conditioning system. 
The Remote Air Conditioning System will operate in accordance with the
temperature settings of the air conditioning system.
■ Remote Air Conditioning System automatic shut-off
The system will automatically shut off under the following conditions:
● About 3 minutes have passed since operation began
● Any one of the operating conditions is not met
The system may also shut off if the charge level of the hybrid battery (trac-
tion battery) drops to low. ( P. 188)
■ Conditions affecting operation
The system may not start in the following situations:
● The charge level of the hybrid battery (traction battery) is low (P. 188)
● The air conditioning temperature is set at a high level

409
4-1. Maintenance and care
4
Maintenance and care
PRIUS_U (OM47668U) U.S.A.
NOTICE
■
Cleaning detergents
Do not use the following types of detergent, as they may discolor the vehicle
interior or cause streaks or damage to painted surfaces.
● Non-seat portions: Organic substances such as benzine or gasoline, alka-
line or acidic solutions, dye, or bleach.
● Seats: Acidic solutions, such as thinner, benzine, or alcohol.
■ Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration o\
f
leather surfaces.
● Remove any dust or dirt on leather surfaces immediately.
● Do not expose the vehicle to direct sunlight for extended periods of time.
Park the vehicle in the shade, especially during summer.
● Do not place items made of vinyl, plastic, or that contain wax on the uphol-
stery, as they may stick to the leather surface if the vehicle interior heats
up significantly.
■ Water on the floor
Do not wash the vehicle floor with water. 
Vehicle systems such as the audio system may be damaged if water comes
into contact with electrical components under the floor of the vehicle, and
may also cause the body to rust.
■ Cleaning the inside of the rear window
● Do not use glass cleaner to clean the rear window, as this may cause
damage to the rear window defogger heater wires. Use a cloth dampened
with lukewarm water to gently wipe the window clean. Wipe the window in
strokes running parallel to the heater wires.
● Be careful not to scratch or damage the heater wires.

467
4-3. Do-it-yourself maintenance
4
Maintenance and care
PRIUS_U (OM47668U) U.S.A.
FUSEAmpereCircuit
27 MIR HTR 10A Outside rear view mirror defoggers
28 RAD NO.1 15A Audio system, navigation system
29 DOME 10ADoor courtesy lights, personal
lights, interior lights, front foot
lights, vanity lights, inside rear
view mirror, garage door opener,
electric power steering
30 ECU-B 7.5ASmart key system, multiplex com-
munication system, personal
lights, gauges and meters
31 H-LP LH HI 10A Left-hand headlight (high beam)
32 H-LP RH HI 10A Right-hand headlight (high beam)
33 EFI NO.2 10AMultiport fuel injection system/
sequential multiport fuel injection
system
34 IGCT NO.3 10A Cooling system
35 SPARE 30A Spare fuses
36 SPARE 15A Spare fuses
37 SPARE 7.5A Spare fuses
38 EFI MAIN 20AMultiport fuel injection system/
sequential multiport fuel injection
system, EFI NO.2
39 BATT FAN 10A Battery cooling fan
40 IG2 20AMultiport fuel injection system/
sequential multiport fuel injection
system, MET-IGN, IGN, power
windows

468 4-3. Do-it-yourself maintenance
PRIUS_U (OM47668U) U.S.A.■
Left side instrument panel
FUSEAmpereCircuit
1 CIG 15A Power outlets
2 ECU-ACC 10AMultiplex communication system,
outside rear view mirrors, driver
support system, audio system,
navigation system
3 PWR OUTLET 15A Power outlets
4 SEAT HTR FR 10A Seat heater
5 SEAT HTR FL 10A Seat heater
6 DOOR NO.1 25A Power door lock system
7 PSB 30A Pre-Collision System
8 PWR SEAT FR 30A Front seat lumber support
9 DBL LOCK 25A Tilt & telescopic steering
10 FR FOG 15A Front fog lights
11 PWR SEAT FL 30A Front seat lumber support
12 OBD 7.5A On-board diagnosis system
13 RR FOG 7.5A No circuit
14 STOP 10AStop lights, high mounted stop-
light, brake system, power win-
dows, driver support system
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