Police say any vehicles left overnight can now be collected.
Warwickshire Police have lifted the cordon around Bermuda Park following an incident on Sunday.
Officers say any vehicles left there overnight can now be collected.
A 53-year-old man was arrested on suspicion of making threats to kill after an incident which provoked a response from armed police at 2:30pm.
Chief Superintendent Alex Franklin-Smith said: "This incident took place on a busy Sunday afternoon at a location where many families were enjoying what should have been a fun-filled start to their half-term holidays. I would again like to thank the many people who were caught up in this situation for their patience and cooperation while we responded to the incident. I'd also like to thank local businesses for their support.
"Over the next few days the local community can expect to see continued high visible patrols by Warwickshire Police as part of our efforts to provide ongoing reassurance".