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PRIUS PRIME_OM_OM47E74U_(U)
5276-1. Using the air conditioning system and defogger
6
Interior features
■Windshield fog detection function
When automatic mode is set, the humidity sensor (P. 530) detects fog on
the windshield and controls the air conditioning system to prev ent fog.
■ When driving on dusty roads
Close all windows. If dust thrown up by the vehicle is still drawn into the vehi-
cle after closing the windows, it is recommended that the air intake mode be
set to outside air mode and the fan speed to any setting except off.
■ Outside/recirculated air mode
●Setting to the recirculated air mode temporarily is recommended in prevent-
ing dirty air from entering the vehicle interior and helping to cool the vehicle
when the outside air temperature is high.
● Outside/recirculated air mode may automatically switch dependin g on the
temperature setting or the inside temperature.
■ Fresh air intake system while parking
When parking, the system automatically switches to outside air mode to
encourage better air circulation throughout the vehicle, helpin g to reduce
odors that occur when starting the vehicle.
■ Operation of the air conditioning system in the air conditionin g eco
mode
● In the air conditioning eco mode, the air conditioning system i s controlled as
follows to prioritize fuel efficiency:
• Engine speed and compressor operation controlled to restrict h eating/
cooling capacity
• Fan speed restricted when automatic mode is selected
● To improve air conditioning performance, perform the following operations:
• Adjust the fan speed
• Adjust the temperature setting
• Turn off the air conditioning eco mode
● When the driving mode is set to Eco driving mode, the air condi tioning eco
mode will be turned on automatically. Even in this case, the ai r conditioning
eco mode can be turned off by selecting . ( P. 425)
■ When the outside tempera ture falls to nearly 32F (0 C)
The dehumidification function may not operate even when is
selected.
■ When the outside temperature exceeds 75°F (24°C) and the air co ndition-
ing system is on
● In order to reduce the air conditioning power consumption, the air condition-
ing system may switch to recirculated air mode automatically. This may also
reduce fuel consumption.
● Recirculated air mode is selected as a default mode when the power switch
is turned to ON mode.
● It is possible to switch to outside air mode at any time by pressing
.
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582
PRIUS PRIME_OM_OM47E74U_(U)
7-1. Maintenance and care
■Caring for leather areas
Toyota recommends cleaning the interior of the vehicle at least twice a year to
maintain the quality of the vehicle’s interior.
■ Shampooing the carpets
There are several commercial foaming-type cleaners available. U se a sponge
or brush to apply the foam. Rub in overlapping circles. Do not use water.
Wipe dirty surfaces and let them dry. Excellent results are obt ained by keep-
ing the carpet as dry as possible.
■ Seat belts
Clean with mild soap and lukewarm water using a cloth or sponge . Also
check the belts periodically for excessive wear, fraying or cut s.
■ Cleaning the air intake vents and filters
●Dust on the air intake vents or filters may interferes cooling of the hybrid bat-
tery (traction battery) and results in poor electricity and fue l consumption.
Clean the air intake vents and filters periodically.
● If continuing to drive the vehicle with “Maintenance Required f or Traction
Battery Cooling Parts See Owner’s Manual” shown on the multi-in formation
display, the hybrid battery (traction battery) may overheat, le ading to
decreasing in distance that can be driven using the electric mo tor. It may
cause poor electricity and fuel consumption or a malfunction. If the warning
message is shown, clean the air intake vents and filters immediately.
● Improper handling may result in damage to the grille or filters. If you have
any concerns about cleaning the filters, contact your Toyota dealer.
● If the warning message on the multi-information display does not disappear
after cleaning the filters, have the vehicle inspected by your Toyota dealer.
● Timing of cleaning filters differs depending on the use environ ment of the
vehicle.
Page 790 of 808

790Alphabetical index
PRIUS PRIME_OM_OM47E74U_(U)
Front seats ............................... 296Adjustment ............................ 296
Cleaning................................ 579
Correct driving posture ........... 28
Head restraints ..................... 300
Seat heaters ......................... 535
Front side marker lights.......... 347 Light switch ........................... 347
Replacing light bulbs............. 657
Front turn signal lights ........... 345 Replacing light bulbs............. 657
Turn signal lever ................... 345
Fuel ........................................... 365 Capacity ................................ 728
Fuel gauge ............................ 209
Information ............................ 735
Refueling............................... 365
Type ...................................... 728
Warning light ......................... 673
Fuel consumption.... 233, 264, 269
Average fuel consumption .... 233
Current fuel consumption...... 269
Fuel filler door.......................... 365
Opener .................................. 367
Refueling............................... 365
When the fuel filler door cannot be opened............... 368
Fuses ........................................ 647
Garage door opener ................ 564
Glove box ................................. 541 Hands-free system (for
cellular phone)
*
Head restraints ........................ 300
Head-up display....................... 253
Headlights ................................ 347
AHB (Automatic High Beam)................................. 352
Headlight aim................ 650, 777
Light switch ........................... 347
Replacing light bulbs ............ 657
Heated steering wheel ............ 535
Heaters
Automatic air conditioning system.... 508, 520
Heated steering wheel .......... 535
Hybrid battery (traction battery) ............................... 136
Outside rear view mirrors ........................ 512, 523
Seat heaters ......................... 535
High coolant temperature warning light.......................... 673
High mounted stoplight
Replacing.............................. 657
High-voltage components ........ 99
Hill-start assist control ........... 497
Hood ......................................... 595
Hooks Coat hooks ........................... 562
Grocery bag hook ................. 546
Retaining hooks (floor mat) .... 26
Horn .......................................... 303
HV mode ..................................... 87
G
H