How to Repair Fiat 500 Keys There are several reasons your Fiat 500 key FOB may not function properly. The small "watch" inside the key FOB often dies. This is an 3.3-volt lithium CR2032 and you can find it at a price of less than $3. A locksmith is the best choice to call if need a new car key for the classic Fiat model. United Locksmith can provide this service and will h
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