Mazda 3 2019 Owner's Manual page 388

Interior Features
Climate Control System
Air intake selector switch
This switch controls the source of air
entering the vehicle.
Outside or recirculated air positions can be
selected. Press the switch to select outside/
recirculated air positions.
Recirculated air position (indicator light
illuminated)
Outside air is shut off. Use this position
when going through tunnels, driving in
congested traffic (high engine exhaust
areas) or when quick cooling is desired.
Outside air position (indicator light
turned off)
Outside air is allowed to enter the cabin.
Use this mode for ventilation or
windshield defrosting.
WARNING
Do not use the
turns on) in cold or rainy weather:
Using the position (indicator light
turns on) in cold or rainy weather is
dangerous as it will cause the windows to
fog up. Your vision will be hampered,
which could lead to a serious accident.
Windshield defroster switch
Press the switch to defrost the windshield
and front door windows.
Refer to Windshield Defrosting and
Defogging on page 5-7.
5-6
position (indicator light
Rear window defogger switch
Press the rear window defogger switch to
defrost the rear window.
Refer to Rear Window Defogger on page
4-55.
▼ Heating
1. Press the switch.
2. Set the air intake selector to the outside
air position (indicator light turns off).
3. Set the temperature control dial to the
hot position.
4. Set the fan control dial to the desired
speed.
5. If dehumidified heating is desired, turn
on the air conditioner.
NOTE
If the windshield fogs up easily, press

the switch.
(Type A)

If cooler air is desired at face level,
press the switch and adjust the
temperature control dial to maintain
maximum comfort.
The air to the floor is warmer than air

to the face (except when the temperature
control dial is set at the extreme hot or
cold position).