Honda 1990 Civic Wagon 4WD, Owner'S Manual, Page: 39 / 125

Heating and Cooling (cont'd)
When using the air conditioner in heavy traffic, or while driving up
long hills, watch the coolant temperature gauge: if the needle moves
near the " H " end of the scale, turn the air conditioner off by
pushing the A/C button; leave it off until the needle goes back well
into the middle of the scale.
To Heat
Switch the fan on, turn the temperature control dial clockwise, slide
the function lever to the position and the recirculation lever
to the position, and warmed (outside) air will begin flowing
from the floor outlets.
To warm up the interior quickly, slide the recirculation lever to the
position so inside air will recirculate to the heater.
T h e w i n d o w s may b e c o m e f o g g e d i f t h e s y s t e m i s i n t h e
position for an extended period of time. As soon as the
interior is warmed, slide the lever to the position.
To Dehumidify (with optional air conditioner)
Because an air conditioner dehumidifies as it works, you can use it
in cool or cold weather in any function position to help defog the
windows. Just switch the fan on, push the A/C button on, set
either the or positions, and adjust the temperature
control dial to a comfortable setting.
NOTE:
This setting is desirable for most operating conditions in ambient
temperatures above approximately 32°F (0°C).
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