Nikon NIKKOR Z 135mm f/1.8 S Plena Reference Manual page 16

Removing the Lens Hood
･ Keeping the lens hood lock release button pressed ( q ), rotate the lens hood in the
direction shown ( w ) and remove it from the lens ( e ).
1
Lens hood lock release button
･ The same procedure can be used when the lens hood is reversed.
16
Attaching and Removing the Lens Hood