Defect
On certain vehicles, water could enter the LED logo lamps inside the driver and passenger side mirrors and cause a short circuit when they turn on.
Safety Risk
A short circuit can create the risk of a fire, including when the vehicle is parked, the engine is turned off and the lamps are turned on.
Remedy
Ford will notify owners by mail and advise you to take your vehicle to a dealership to disconnect the LED logo lamps power wires.