173Air d istributi onIn the menu for manual settings, select itemAir Distr ibution.Display of air d istribution m enus:s Air distrib ution to windscreenand to front sid e windowsM Air distrib ution to vehicle occupantsthrough a djustable air ventsfront and rearK Air distrib ution to front andrea r foot w ellsDisplay of selected air distribution bymeans of sym bols in display :Reverting to automatic a ir distribution:Select menu item AUTO or press the AUTObutton.Air flowTurn centra l knob clockwise or anti-cloc kwise (if no menu for m anualadjustment is d isplay ed). The selected fanspeed is displayed a s x and numb ers in thedisplay .At speed 0 both the fan and the cooling(the cooling compressor) a re switched off.To return to a utoma tic mode: Press A UTObutton.Sw itching automa tic recirc ul ation onor offThe automatic air recircula tion system hasan air qua lity sensor to d etect harmfulgases in the outside air, in whic h case it willswitch automatically to recirculation.In the m enu for manual settings, select itemAir Q uality Sensor and selec t setting On orO ff.S witc h to manual air rec irculation asnec essary .