Hongqi HS7 Manual page 284

6-1..Using.the.A/C.System
■ A/C switch
When the engine is running, by taping [A/C] button, the button is on, and the A/
C.refrigeration.starts..By.taping.[A/C].button.again,.the.active.indicator.is.off,.and.
the.A/C.refrigeration.ends.
■ Internal/external.circulation.mode.switching
Press the internal/external circulation button to enter the internal circulation
mode.with.the.active.indicator.ON;.press.it.again.to.enter.the.external.circulation.
mode.with.the.active.indicator.OFF.
When it shifts to the automatic A/C mode, the A/C system will automatically
switch.the.internal/external.circulation.mode.
CAUTIONS
■Do not use the internal circulation mode in chilly days or rainy days
In.chilly.days.or.rainy.days,.use.of.the.internal.circulation.mode.might.make.windows.
fog.up,.which.might.block.your.line.of.sight,.leading.to.serious.accidents.
■When using the internal circulation mode
The windows might fog up more easily if internal circulation mode is used for an
extended.period.
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Air is blown to the feet and front
windshield.