Mazda 3 Owners Manual: Windshield Defrosting and Defogging

1. Set the mode selector dial to the
   position.
2. Set the temperature control dial to the desired position.
3. Set the fan control dial to the desired speed.
4. If dehumidified heating is desired, turn on the air conditioner.

WARNING Do not defog the windshield using the position with the temperature control set to the cold position: Using the position with the temperature control set to the cold position is dangerous as it will cause the outside of the windshield to fog up. Your vision will be hampered, which could lead to a serious accident. Set the temperature control to the hot or warm position when using the position.

NOTE

• 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, set the mode selector dial to the
  position.
• In the or
  position, the air
  conditioner is automatically turned on and the outside air position is automatically selected to defrost the windshield. In the or
  position, the
  outside air position cannot be changed to the recirculated air position.