Honda 1991 Accord Sedan, Owner'S Manual, Page: 49 / 146

Heating and Cooling (cont'd)
To Defrost
To defrost or defog the windshield and door windows, slide the
temperature lever to the right or turn the temperature control dial
clockwise, select the (defrost) function, and switch the fan
on.
If there is actual frost on the windows, first select the posi-
tion.
If the windows are fogged, select to the setting. Warmed
air will then flow from the windshield and side defroster vents.
[ D X ]
[LX/EX/SE]