1996 Mercury Sable Owner's Manual - Page 129

S (Panel and floor) button Push this button to get air from the floor and instrument panel registers at the same time. The display will show the set temperature and S. Depending on the selected temperature, the air will be automatically heated or cooled. R (Floor) Airflow will be to the floor when the R (floor) button is pressed. The display window will show the set temperature and R (floor) to the right of the temperature. Fan speed will be automatic unless manually controlled. If you override the fan speed and wish to return to automatic fan control, press AUTO. Then, again select R (floor) for airflow to the floor. P (Floor and defrost) Press this button to get air to the floor and windshield defrosters at the same time. The display will show the set temperature and P. If the outside temperature is about 50˚F (10˚C) and above, the air will be dehumidified to remove moisture. This will help to prevent fogging in humid weather. V F-DEF (Front defrost) Press the V F-DEF (front defrost) button to obtain maximum airflow to the windshield. Adjust the temperature setting as required for defrosting. The Display window will show the temperature setting with V to the right of the temperature. When the outside temperature is about 50˚F (10˚C) and above, the air will be dehumidified to remove moisture. This will help prevent fogging in humid weather. 102