The automaker says that the driver door could be corroded by liquids, cause a short circuit and power door locks and window switches could malfunction.

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The portable programmer, which plugs into the DC port under the locks, can also open any door, even providing power through that port to trigger the mechanism of a door lock in which the battery has run out.

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The project aims to provide users with a bevy of end-devices -- automatic door locks, thermostats, humidity sensors, presence sensors, power outlet switches and more -- that connect to a router-like SmartThings hub.

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