Miele HS15 Operating Instructions Manual page 27

^ Insert a new exhaust filter making
sure it goes in properly, then push it
down into position.
^ Press the exhaust filter change
indicator ~.
^ After approx. 10 - 15 seconds a thin
red stripe will appear in the left-hand
side of the display.
If you wish to use an AirClean filter,
see "Replacing one type of exhaust
filter with another".
^ Close the dust compartment lid.
Maintenance and care
27