Honda 1998 Accord Coupe Owner's Manual page 117

The button directs the main
air flow to the windshield for faster
defrosting. It also overrides any
MODE selection you may have made.
When you select
turns on automatically and the
system selects Fresh Air mode. For
faster defrosting, manually set the
fan speed to high. You can also
increase air flow to the windshield by
closing the side vents in the
dashboard.
When you turn off
pressing the button again, the
system returns to its former settings.
Rear Window Defogger Button
This button turns the rear window
defogger on and off (see page
the A / C
by
63 ).
Climate Control System
REAR WINDOW DEFOGGER BUTTON
Comfort and Convenience Features