Toyota Corolla Instruction Manual page 295

 Fogging up of the windows
 Vehicles with the
humidity in the vehicle is high. Turning
the outlets and defog the windshield effectively.
 Vehicles with the
up more easily.
 The windows may fog up if the recirculated air mode is used.
 Outside/recirculated air mode
When driving on dusty roads such as tunnels or in heavy traffic, set the out-
side/recirculated air mode button to the recirculated air mode. This is effective
in preventing outside air from entering the vehicle interior. During cooling
operation, setting the recirculated air mode will also cool the vehicle interior
effectively.
 When the outside temperature is low (vehicles with the
The air conditioning system may not operate even when
 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.
 Air conditioning system operations when the engine is stopped due to
the Stop & Start system (vehicles with a Stop & Start system)
When the engine is stopped due to Stop & Start system operation, the air
conditioning cooling, heating and dehumidification functions turn off and only
ambient temperature air is blown. To prevent the air conditioning system from
turning off, press the Stop & Start cancel switch to deactivate the system.
Corolla_TMMT_EE (OM12F04E)
5-1. Using the air conditioning system and defogger
button: The windows will easily fog up when the
button: If you turn
on will dehumidify the air from
off, the windows may fog
button)
is pressed.
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