Toyota SIENNA U Manual page 18

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When the "A/C ON" in the multi-information display flashes
Press
once more. There may be a problem in the air conditioning system if the indi-
cator light continues to flash. Turn the air conditioning system off and have it
inspected by your Toyota dealer.
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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.
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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
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To prevent the windshield from fogging up
Do not use
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
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To prevent battery discharge
Do not leave the air conditioning system on longer than necessary when the
engine is stopped.
SIENNA_U (OM45477U)
3-1. Using the air conditioning system and defogger
and turn off the air conditioning system before turning it on
during cool air operation in extremely humid weather. The
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