- Before and after entering your key code, wipe the touch keys with a damp cloth, then dry the keys.
- After the door is locked, firmly press all numbered keys once. This may set off a small alarm, but it will stop quickly.
Why would you do this? There have been reports that in some hotels the hotel staff was placing a powder or oil residue on the touch keys, which when lit, showed them which numbers on the safe were pressed. Wiping the keys clean and pressing them all throws potential thieves off the trail.