Does placing a 'no valuables inside' sign in a car window deter break-ins? Car burglaries are at epidemic levels in San Francisco By Mike Moffitt , Reporter Updated Oct 20, 2017 9:18 a.m.

"Dear Mr. Robber, please do not break my car window. The door is open. Have a great day," the note reads, as the video pans to the multiple water bottles and teddy bear set up on the car seat.