1990 Honda Accord Owner's Manual - Page 41
1990 Honda Accord Manual
Page 41 highlights
Heating and Cooling (cont'd) What the Controls Do: [DX] FUNCTION LEVER FAN SWITCH RECIRCULATION BUTTON AND INDICATOR LIGHT TEMPERATURE LEVER AIR CONDITIONER BUTTON AND INDICATOR LIGHT (optional) [LX/EX] FAN SWITCH TEMPERATURE CONTROL DIAL FUNCTION BUTTONS AND INDICATOR LIGHTS FRESH AIR BUTTON RECIRCULATION BUTTON AIR CONDITIONER BUTTON Fan Switch Turning the switch clockwise will increase the fan speed, and the fan will circulate warm, cool, or outside air, depending on where the temperature lever/control dial and function lever/buttons are set. Whenever the fan is switched on, air flows from the dash corner vents regardless of function lever/button position. Function Lever/Buttons Slide the lever on the DX model or push the appropriate button on the LX and EX models to direct air to and from the heater, defroster and vents. There is an indicator light in each function button that comes on when the button is pushed.