10 Quick Tips About Fiat Panda Key Fob Replacement
Reasons Your Fiat 500 Key Fob Won't Work
A fiat 500 key fob is a convenient method to open the doors and begin the car. There are a myriad of reasons the fob could stop working. This includes a dead battery and water damage, as well as problems with receiver modules, as well as interference.
This listing is for an NEW replacement Fiat Flip Key Remote that appears similar to the Ilco brand. It must be professionally programmed (click here to find local locksmiths in the automotive industry). This remote includes lock, unlock and trunk buttons.
Dead Coin Battery
The most common reason the 500 key fob won't function is an inactive battery. Modern key fobs have a limited operating range, and should be within a few feet of the vehicle in order to function. If you are not within your vehicle and push the keyfob button it will not respond, and display the message "Key Fob Not Detected".
If this happens, replace the coin cell battery (Part number CR2032) with a brand new one from a reputable manufacturer like Panasonic, Duracell, or Energizer. They are typically available in your local hardware store or on the internet.
After you've replaced the battery in the coin cell, you can test it by standing in front of your Fiat 500 and pressing the buttons. The parking lights should flash and the key fob should operate the lock and unlock switches.
If your key fob isn't working even after replacing the battery, there may be water damage that has prevented it from communicating with the module in your vehicle. Water damage can occur in a variety of ways, such as a simple splash or submerging the key fob into saltwater at the beach. If you suspect that your fob has been exposed to water, put it in a dry rice bag to draw the moisture back out. If that doesn't work your fob will probably require reprogramming by a professional auto locksmith or the dealer.
Water Damage
Water damage can occur when you immerse the fob into the ocean, or wash it in a washing machine. Saltwater can cause the circuit board to short, and eventually fail. Getting the fob wet is not an ideal idea but if you drop it into the water in a cup or don't remember to remove it from your pants pocket prior to running the washer do not give up hope.
First remove the battery from the fob. Before replacing the battery clean the electronic chip with isopropyl or another similar product. Next, test the fob to see if it works. If the fob doesn't work, it may need to be programmed again. This is typically done by a professional or dealer auto locksmith.
If your key is older and not programmed for your vehicle, you will need to replace it completely. A professional locksmith for cars can complete this simple process. The locksmith will have to cut the key to match the ignition of your car. The locksmith will also need to reprogram the fob into the vehicle's system. This is a cheap and quick process that can be completed on the same day.
Receiver Module Issues
One of the main reasons your 500 key fob might stop working is that it's simply out of range. The remote has a maximum range of 30 feet. So in the event that you are far from your vehicle it won't be able to respond to your commands. It's easy to solve this problem by moving the remote closer to your car until it responds.

If you've replaced the coin battery (commonly known as a "button" or "watch") and the fob isn't working, it could have an internal circuit board problem. Reprogramming your fob can resolve the issue. The instructions are available for the majority of vehicles on YouTube or in the owner's manual.
It is sometimes necessary to replace the clips made of metal that hold the coin batteries in their place. If they become loose, it can prevent your coin battery from being properly seated, causing your remote to malfunction.
In rare instances it is possible that the fob will become disconnected from your vehicle because of software or hardware issues. This can be a major trouble, but you could usually fix it by visiting a local dealer or auto locksmith to have them reprogram your fob. In some cases the software might need to be reinstalled in your body control modules.
Interference
Interference can also cause the key fob to not receive or transmit signals. This could happen if the key fob is near an electronic radio transmitter (cell phones, radar detectors) or another source of electromagnetic radiation. fiat 500 spare key could not work due to a poor connection to the buttons or water damage, or damage to the internal chips.
If the key fob failed to work one day suddenly or even after trying everything you can at home to fix it e.g. You might have a damaged 500 receiver module after you've tried replacing the battery, reprogramming or using a spare key fob. The receiver module, located beneath the dashboard, is able to pick up radio frequency signals from your key fob. It transforms the signals into electronic commands which are then interpreted by the vehicle.
Luckily, there is an easy way to reset all on-board systems in your 500 and include the key fob. Disconnect the battery for 15 minutes by taking off first the negative cable and then the positive cable. Then, reconnect the battery. This will erase any remaining electric current, and also restart the computer of your car. This can help get your key fob to work again. If the issue continues you should speak with an experienced technician. They can determine the exact cause of your problem.