Olympus Stylus Instructions Manual page 13

If you want to rewind the film before
the end of a roll, press the rewind but-
ton with the tip of a ballpoint pen.
Do not use any device with a sharp tip
and do not press the rewind button too
hard.
Open the back cover after the
motor has stopped.
Once the film has been rewound,
a blinking "E" will be displayed on
the LCD panel. Further operations are
not possible until the rewound film
cartridge is removed.
12
Remove the film cartridge from
the camera in the shade.