Use your passcode (obtained at station kiosk), membership pass key (available online), or the Transit App to rent a WOW citybike from any station for up to 30 minutes.
Hit the road on your WOW citybike for up to 30 minutes. Each additional 30 minutes is 500 ISK.
End a ride by returning your WOW citybike to any station. Slide your bike firmly into an empty dock and wait for the green light that indicates that the bike is locked safely in its dock.