He had popped out and forgotten which room was his, and his wife is deaf, so knocking was no use. The horn woke everyone else, their lights came on, and his was the only room still dark.
In the middle of the night a man leaves his motel room, walks out to his car and leans on the horn for a long time. Why?
Give me a hintThe hint
He is looking for something.
Reveal the answerHide the answer
To find his room again
Source: Traditional, from Jed Hartman’s list of situation puzzles