LG VN9122NHT Owner's Manual page 7

Button
Fitting pipe
Flexible hose
Attachment point
➌ Connecting the hose to the vacuum cleaner
Push the fitting pipe on the flexible hose
into the attachment point on the vacuum cleaner.
To remove the flexible hose from the vacuum
cleaner, press the button situated on the fitting pipe,
then pull the fitting pipe out of the vacuum cleaner.
7