1996 GMC Savana Van Owner's Manual - Page 120

Mode Knob The right knob on the control panel changes the heatedair conditioningsetting. MAX N C : With A/C on, move the right knob to MAX A/C for maximum cooling. This setting puts the system in the recirculation mode and helps to maximize your air conditioner's performance and your vehicle's fuel economy. This setting also cools air the fastest. the After the vehicle's interior reaches a comfortable temperature, move the knob clockwise to place the air conditioning system in the A/C mode. pointing at the figure's feet and head, to divide airflow between the heater floorvents and instrument panel vents. '# +e VENT/HEAT Use this setting, with the arrows HEAT This setting, with the arrow pointing at the figure's feet, directs air through the heater floor vents. This setting is useful for cold weather. +fl e '+ w e A/C: Use for normal cooling on hot days. Thissetting cools outside air and directs it through the instrument panel outlets. HEAT/DEFROST Use this setting, with the arrow pointing at the figure's feet and the defroster symbol near the figure's head, to divideairflow between the heater floor vents and windshield. VENT This setting, with the arrow pointing at the figure's head, directs through the instrument air panel vents. fl -bo DEFROST This setting with the defrost symbol directs air through the windshield defroster vents. This setting is useful when you have fog or iceon the windshield. 3-4