Panasonic Lumix DMC-G3 Basic Owner's Manual page 15

Attach the lens cap.
While pressing on the lens release button D,
rotate the lens toward the arrow until it stops
and then remove.
•
Always attach the body cap to the camera body so that dirt
or dust does not get inside.
•
Attach the lens rear cap so that the lens contact point does
not get scratched.
Note
•
It is recommended to attach the lens cap or attach the MC Protector (optional) to protect the
lens surface when carrying.
Detaching a lens from the camera body
15
(ENG) VQT3N40