Vauxhall ASTRA Owner's Manual page 180

Air distribut.
Air distribution
Press the centre knob. The possible air
distribution settings appear one after
another in the display.
Air distribution can also be set in the Air
distribut. menu:
Up Air distribution to windscreen
and front door windows
Centre Air to vehicle occupants
via front adjustable air vents
Down Air distribution to foot well
Return to automatic air distribution:
Deactivate corresponding setting or press
button AUTO.
Air flow
Turn right knob right or left. The selected
fan speed in indicated with x and the
number in the display.
At speed 0 both the fan and cooling (air
conditioning compressor) are switched off.
To return to automatic mode: Press AUTO
button.
Climate control
Automatic blower
Strong
Normal
Weak
Fan control in automatic mode 3
Fan regulation in automatic mode can be
modified.
Select menu item Automatic blower from
the manual settings menu and select the
desired fan control.
Depending on the setting, the maximum
air flow, and thereby the noise level, will
increase.
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