Reasons Your Fiat 500 Key Fob Won't Work A Fiat 500 key fob makes it simple to open doors and start your car. There are many reasons the fob won't work. This could be due to a dead battery and water damage, as well as receiver modules issues, and interference. <img width="339" src="https://www.thekeylab.co.uk/wp-content/uploads/2022/07/IMG-2077-e1658747318588-1024x823.jpg
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