Lexus IS F 2012 Owner's Manual page 227

Air conditioning odors
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During use, various odors from inside and outside the vehicle may enter into
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and accumulate in the air conditioning system. This may then cause odor to be
emitted from the vents.
To reduce potential odors from occurring:
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• 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
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Do not use
ference between the temperature of the outside air and that of the windshield can
cause the outer surface of the windshield to fog up, blocking your vision.
NOTICE
To prevent battery discharge
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Do not leave the air conditioning system on longer than necessary when the engine
is off.
3-1. Using the air conditioning system and defogger
during cool air operation in extremely humid weather. The dif-
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