If the battery of your Fiesta is disconnected, you must enter the 4 digit security code to turn it on after the battery is connected again . "Key Code" is provided to the owner when you buy the car from the authorized dealer. You must keep it safe. This video shows how to enter the key code to the radio. (If the key code is lost don't worry, I have another video about where to find it [ Ссылка ])
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