1999 Ford F150 Owner Guide 1st Printing - Page 56

Controls and features Audio system warranties and service Refer to the "Warranty Guide" for audio system warranty information. If service is necessary, see your dealer or a qualified technician. CLIMATE CONTROL SYSTEM Heater only system (if equipped) LO PANEL OFF PANEL & FLOOR FLOOR FLR & DEF DEF HI COOL WARM Fan speed control Controls the volume of air circulated in the vehicle. LO HI Temperature control knob Controls the temperature of the airflow inside the vehicle. On heater-only systems, the air cannot be cooled below the outside temperature. Mode selector control Controls the direction of the airflow to the inside of the vehicle. COOL WARM PANEL OFF PANEL & FLOOR FLOOR FLR & DEF DEF • PANEL-Distributes outside air through the instrument panel registers. • OFF-Outside air is shut out and the fan will not operate. • PANEL & FLOOR-Distributes outside air through the instrument panel registers and the floor ducts. 56