Ford Ka Owner's Handbook Manual page 56

Temperature control
E65966
Blue Cold
Red Warm
Blower
E68526
0 Off
To increase the blower speed, select
a higher position.
With the blower turned off, the
windscreen may mist up.
Recirculated air
E68527
Climate control
Press the switch to toggle between
outside air and recirculated interior
air.
The lamp in the switch indicates
operation.
Windscreen
defrosting/demisting
E68528
Close the air vents for maximum
airflow to the windscreen. If
necessary turn the heated windows
on. See Heated windows and mirrors
(page 56).
Rapid heating of vehicle
interior
E68529
54