article_snippet: The incident, which occurred last month, involved an unidentified 'key fob' to unlock the vehicle, Detective Patrick Michaud from the Seattle Police Department told Daily Mail Online.
article_snippet: whatever It does it seems to trick Mr Dahl's car into thinking a thief's got the legitimate keys,' a thief said at the time of the incident.
article_snippet: They can carry he had knowledge of a special system being used in a backpack, when you hit your fob to unlock your car They can actually steal the codes to your keypad and then unlock your car later.'
article_snippet: Mr Carlson said: 'Whatever it does it seems to trick your car into thinking Mr Carlson's got the legitimate keys' (above a thief breaking into Mr Carlson earlier this year) '
article_snippet: As for how to stay protected as a driver as this mystery device looms, Detective Michaud warns drivers to keep valuables out of your car.
article_snippet: Detective Michaud said: 'We ask that people to not keep anything of value in your car.
article_snippet: If you are going to leave your registration in the vehicle cross off identifying information, and let the officer know you crossed the vehicle off for security concerns.'
highlights_snippet: Police said an unidentified 'key fob' was used to break into vehicle .