Ford F-350 Owner's Manual page 84

Climate Controls
To aid in side window defogging/demisting in cold weather:
1. Select .
2. Select A/C.
3. Adjust the temperature control to maintain comfort.
4. Set the fan speed to the highest setting.
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.
Do not place objects on top of the instrument panel as these
objects may become projectiles in a collision or sudden stop.
84
2008 F-250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA (fus)