Mazda 2003 B2300 Owner's Manual page 37

Under normal weather conditions, do not leave the air flow selector in
MAX A/C or OFF when the vehicle is parked. This allows the vehicle
to "breathe" using the outside air inlet vents.
Do not put objects under the front seats that will interfere with the
airflow to the back seats.
Remove any snow, ice or leaves from the air intake area at the base of
the windshield.
To aid in side window defogging/demisting in cold weather:
1. Select
2. Select A/C
3. Modulate the temperature control to maintain comfort.
4. Set the fan speed to HI
5. Direct the outer instrument panel vents towards the side windows
To increase airflow to the outer instrument panel vents, close the vents
located in the middle of the instrument panel.
WARNING: Do not place objects on top of the instrument panel
as these objects may become projectiles in a collision or sudden
stop.
Climate Controls
37