Reasons Your
fiat panda key 500 Key Fob Won't Work
A
fiat multipla key 500 key fob is a convenient way to open the doors and begin the car. There are a myriad of reasons the fob may stop working. These include a dead battery or damage to the receiver module, issues, and interfering.
This listing is for a NEW replacement
fiat 500 electric key Flip Key Remote - look-alike Ilco brand that needs to be professionally programmed by a local automotive locksmith (click here to search for a Locksmith Search). This remote includes lock, unlock and trunk buttons.

Dead Coin Battery
A dead battery is the most frequent reason for your 500 key fob that isn't working. Modern key fobs have a very restricted operating range, and should be within a few feet of the vehicle in order to function. If you're far from your vehicle and hit the keyfob, it will not respond, and display the message "Key Fob Not Detected".
If this happens, replace the battery of your coin cell (Part number CR2032) by a new one from a reputable manufacturer like Panasonic, Duracell, or Energizer. They can be found in the local hardware store or on the internet.
After you've replaced the battery in the coin cell You can test it by standing near your
fiat car key replacement 500 and pressing the buttons. The parking lights will flash and the key fob should operate the lock and unlock switches.
If your key fob still isn't working even after replacing the battery, it might be water damage that prevents it from communicating with the module inside your vehicle. Water damage can occur in many ways, including the simple splash or submerging your key fob in saltwater at the beach. If you suspect that your fob has been exposed to water, you can place it in a rice bag to draw out the moisture. If that doesn't work your fob will probably need to be reset by an experienced auto locksmith or the dealer.
Water Damage
Water damage can occur when you submerge the fob in the ocean, or wash it in a washing machine. Saltwater can cause the circuit board to short and then end up dying. It's not the best idea to submerge the fob in water however, but don't give it up in the event that you accidentally drop it in water, or fail to take it out of your pants pocket.
First, remove the battery. Before replacing the battery, clean the electronic chip using isopropyl or similar products. Next try the fob and check if it functions. If the fob doesn't work, it may need to be reprogrammed. This is usually handled by a dealer or professional auto locksmith.
If your key is older and is not programmed to work with your vehicle You will need to replace it completely. This is a simple procedure which can be accomplished by a professional automotive locksmith. The locksmith will need to cut the key to match the ignition of your car. They'll also need to program the fob into the system of your car. This is a cheap and quick process that could be completed on the same day.
Receiver Module Issues
The 500 key fob could not function because it's out of range. The remote has a maximum range of 30 feet, which means in the event that you are far from your car it will not respond to your commands. This can be easily fixed by moving closer to your vehicle until it starts responding.
If your fob won't work after replacing the battery in the coin, also called a "button", "watch" or "button" it may be due to a malfunction on the internal circuit board. In most cases, reprogramming the fob can resolve the problem. You can find directions on how to do this for all vehicles by searching YouTube or reading the owner's manual.
It could be necessary to replace the metal clips that hold the coin batteries in the correct position. If they lose tension it can stop your coin battery from sitting properly, causing your remote to malfunction.
In rare cases it is possible that the fob will become disconnected from your vehicle due to software or hardware issues. This can cause a major problem, but you can often fix this by visiting an auto locksmith to have them reprogram your fob for you. In some instances, the software may also require reinstallation in your body control modules.
Interference
In addition to a dead battery on a coin, the key fob may not be able to receive or transmit a signal due to interference. This can happen when the key fob is in proximity to the radio transmitter (cell phones or radar detectors) or another source of electromagnetic radiation. Other reasons why the key fob could not function include a poor connection to the buttons and internal chip, or water damage.
If your
fiat van key replacement fob suddenly stopped working, or you have tried everything at home to fix it (e.g. You might have a damaged 500 receiver module in the event that you've tried replacing the battery, reprogramming or using an alternative key fob. The receiver module, located under the dashboard, receives radio frequency signals from your
fiat ducato key fob. It transforms the signals into electronic commands, which are then interpreted by the vehicle.

There is a simple way to reset the 500's on-board system, including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable and then the positive cable. Reconnect the battery. This will remove any remaining electricity, and restart the computer of your car. This could help you get your key fob working again. If the issue continues, you should seek out an expert technician. They'll be able to determine the exact cause of your problem.