Vauxhall Astra 2021 Owner's Manual page 111

Notice
If h is pressed while the engine is
running, an Autostop will be inhibited
until h is pressed again.
If h is pressed while the engine is
in an Autostop, the engine will restart
automatically.
Stop-start system 3 119.
Manual air recirculation x
Press x to activate the air
recirculation mode. Activation is
indicated by the LED in the button.
Press x again to deactivate
recirculation mode.
9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling, the
air humidity increases, so the
windows may mist up from inside.
The quality of the passenger
compartment air deteriorates,
which may cause the occupants to
feel drowsy.
In warm and very humid ambient air
conditions, the windscreen may mist
up from outside, when cold air is
directed towards it. If windscreen
mists up from outside, activate
windscreen wiper and deactivate air
flow to the front.
Deactivation of electronic climate
control system
Push down C subsequently or push
down and hold C until the electronic
climate control system is deactivated.
Deactivation is also possible in the
climate settings menu on the Info
Display.
Activation by pressing AUTO,
switching on the fan or switching on
any other climate control function.
Air quality
The system combines a high
efficiency interior air filter with an air
quality sensor and a particle sensor in
the control console.
Climate control
Select Air Quality from the menu on
the left side of the screen to show the
air quality index and to activate /
deactivate the function.
Air quality index
Using an exterior pollution sensor,
this function automatically activates
the air recirculation when a certain
level of pollution in the exterior air is
detected. When the air quality returns
to a satisfactory level, air recirculation
is automatically deactivated. Air
recirculation is automatically
activated when the windscreen
washer is used or when reverse gear
is engaged. The function is inactive if
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