In most hotels you can just drop the keycard at the front desk and leave. They know what to do.
There’s also a lot of people that set the A/C to 18 degrees and leave, which is terrible.
There’s also a lot of people that set the A/C to 18 degrees and leave, which is terrible.
Edit to add: and also keeps the outlets on (charging your phone, ...) and the lights if you so desire...