FORD 1999 F-550 v.1 - Manual (Page 29)

Operating tips
• In humid weather, select
before driving. This will prevent your
windshield from fogging. After a few minutes, select any desired
position.
• To prevent humidity buildup inside the vehicle, don’t drive with the
climate control system in the OFF position.
• Don’t put objects under the front seat that will interfere with the
airflow to the back seats (if eqipped).
• Remove any snow, ice or leaves
from the air intake area (at the
bottom of the windshield under
the hood).
• If your vehicle has been parked with the windows closed during hot
weather, the air conditioner will do a much faster job of cooling if you
drive for two or three minutes with the windows open. This will force
most of the hot, stale air out of the vehicle. Then operate your air
conditioner as you would normally.
• When placing objects on top of your instrument panel, be careful to
not place them over the defroster outlets. These objects can block
airflow and reduce your ability to see through your windshield. Also,
avoid placing small objects on top of your instrument panel. These
objects can fall down into the defroster outlets and block airflow and
possibly damage your climate control system.
Controls and features
29