Celebrating 30 years of Function. GUEST INFO Garderobe at Tresor is now self-service lockers. It is recommended that guests download the Daylox app before arriving. Bring a charged phone. NFC capabilities must be switched on. Tresor staff are on site if you need support. Ticketing Policy: A ticket does not guarantee entry. Tresor reserves the right to refuse admission to any guest in accordance with its house policy. All ticket purchases, resales, and refund requests are handled exclusively by Resident Advisor. For refund enquiries, please refer to RA’s support guidelines.