TOYOTA 2010 Highlander - Manual (Page 251)

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3-1. Using the air conditioning system and defogger
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Window defogger feature
Recirculated air mode may automatically switch to (outside air) mode
in situations where the windows need to be defogged.
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When outside temperature approaches 32
°F (0°C)
The air conditioning system may not operate even when is pressed.
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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.
• The start timing of the blower may be delayed for a short period of time
immediately after the air conditioning system is started in automatic
mode.
CAUTION
■
To prevent the windshield from fogging up
Do not use during cool air operation in extremely humid weather. The
difference between the temperature of the outside air and that of the wind-
shield can cause the outer surface of the windshield to fog up, blocking your
vision.
NOTICE
■
To prevent battery discharge
Do not leave the air conditioning system on longer than necessary when the
engine is off.