Mazda Mazda3 2019 Owner's Manual page 378

Interior Features
Air-Conditioning System
NOTE
Fogging on the windows clears up more

easily while the air conditioner is on,
but they will fog up more easily if the air
conditioner is turned off.
Be careful that the windows do not fog

up when doing any of the following:
Switching to recirculate mode

Turning off the air conditioner

For maximum defrosting, turn on the air

conditioner, set the temperature control
dial to the extreme hot position, and turn
the fan control dial fully clockwise.
If warm air is desired at the floor, press

the switch.
With the switch, the outside air

position is automatically selected to
defrost the windscreen. The air intake
selector cannot be changed to the
recirculated air position.
▼ Dehumidifying
Operate the air conditioner in cool or cold
weather to help defog the windscreen and
side windows.
1. Press the desired mode switch you
want to set.
2. Set the air intake selector to the outside
air position (indicator light turns off).
3. Set the temperature control dial to the
desired position.
4. Set the fan control dial to the desired
speed.
5. Turn on the air conditioner by pressing
the A/C switch.
5-8
NOTE
One of the functions of the air conditioner
is dehumidifying the air and, to use this
function, the temperature does not have to
be set to cold. Therefore, set the
temperature control dial to the desired
position (hot or cold) and turn on the air
conditioner when you want to dehumidify
the cabin air.