Kia 2011 RIO Owner's Manual page 175

Driving your vehicle
CAUTION
Do not use the or
during cooling operation
extremely humid weather. The dif-
ference between the temperature of
the outside air and that of the wind-
shield could cause the outer sur-
face of the windshield to fog up,
causing loss of visibility. In this
case, set the mode selection knob
to the position and fan speed
control to a lower speed.
4 48
• For maximum defrosting, set the tem-
perature control to the extreme
right/hot position and the fan speed
position
control to the highest speed.
in
• If warm air to the floor is desired while
defrosting or defogging, set the mode
to the floor-defrost position.
• Before driving, clear all snow and ice
from the windshield, rear window, out-
side rear view mirrors, and all side win-
dows.
• Clear all snow and ice from the hood
and air inlet in the cowl grill to improve
heater and defroster efficiency and to
reduce the probability of fogging up
inside of the windshield.