1997 Ford F350 Owner Guide 1st Printing - Page 59

Climate control knobs (Heater only system) Instrument Panel Registers There are four registers in the instrument panel. Each of these registers contain a louver assembly which can be manually adjusted to direct airflow up, down, left, right, and positive shut-off. An illustration of the register locations follows. Instrument panel registers System Operation The control for your air conditioning and heater system is located at the center of the instrument panel below the radio and will operate only when the ignition key is turned to the ON position. Your air conditioner and heater will heat and/or cool your vehicle interior depending on the function position and temperature you select. The function selector control knob allows you to select heating or cooling and determine 58