Alfa Romeo 4C Owner's Handbook Manual page 23

MANUAL CLIMATE CONTROL SYSTEM
2)
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1 air temperature adjustment knob (hot/cold air mixing);
2 internal air recirculation on/off cursor;
3 fan activation/adjustment knob;
4 air distribution knob;
5 climate control compressor on/off button;
6 mirror demister button.
(where provided)
A0L0019
21