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Reasons Your Fiat 500 Key Fob Won't Work

A key fob from fiat panda Key 500 is a convenient way to unlock the doors and start the car. There are a myriad of reasons the fob could stop working. This includes a dead coin-battery, water damage, problems with receiver modules, as well as interference.

This listing is for a NEW replacement Fiat Flip Key Remote - look-alike Ilco brand that must be programmed professionally by a local locksmith (click here for Locksmith Search). Includes lock, unlock and trunk buttons.

Dead Coin Battery

The most frequent reason why your 500 key fob will not function is due to an inactive battery. Key fobs of today have an operating range that is limited and must be within a few inches of the vehicle in order to function. If you're far away from your vehicle when you press the key fob button, the car won't be able to respond, and Fiat Panda key will display a "Key Fob Not Detected" message in the instrument cluster.

If this happens, simply replace the battery in the coin cell (Part number CR2032) with a new one from a reputable brand like Panasonic, Duracell, or Energizer. You can find them in your local hardware store or on the internet.

You can test the coin-cell battery by pressing the buttons while standing close to your fiat 500 car key 500. The parking lights should flash and the key fob should operate the lock and unlock switch.

If your key fob still does not work after replacing the battery, it may be water damage which hinders it from connecting to the module inside your vehicle. Water damage can occur in a number of ways, ranging from small splashes to submerging the fob salt water at the beach. If you think your fob was exposed to water, you can place it in a bag of rice to draw out the moisture. If this doesn't work, the fob might need to be reset by an experienced auto locksmith or the dealer.

Water Damage

The fob does have rubber seals that keep water from the chip's electronic circuit the device, submerging it into the ocean or washing it in a machine could cause water damage. Saltwater can cause the circuit board to short and eventually fail. It's not the best idea to get the fob wet, but don't give it up in the event that you accidentally drop it in water, or fail to remove it from your pocket.

First, remove the battery from the fob. Clean the electronic chip using isopropyl alcohol or a similar product and dry it completely before replacing the battery. Then, test the fob to verify if it is working. If the key does not function it could need to be changed. This is usually done by a professional or dealer auto locksmith.

If the key you have is older and has not been programmed for your car, you will need to replace it completely. A professional locksmith for cars will be able to complete this process. The locksmith will need the key cut to match your car's ignition. The locksmith will also need to reprogram your fob in the vehicle's system. This is an affordable and quick procedure that can be completed within the same day.

Receiver Module Issues

The 500 key fob could not function because it's out of range. The remote's range is of 30 feet, which means when you're too far away from your vehicle it will not respond to your commands. This can be fixed by moving it closer to your vehicle until it starts responding.

If your fob doesn't work after replacing the battery in the coin, also called a "button", "watch" or "button" it could be a problem with the circuit board inside. In most cases, reprogramming the fob will resolve this problem. You can find the procedure for most vehicles on YouTube or in the owner's guide.

It is possible to replace the metal retaining clips that keep the coin battery. If they lose tension, it can prevent your coin battery from sitting properly, causing your remote to malfunction.

In rare instances, the fob may be out of alignment with your vehicle because of hardware or software problems. This issue can be fixed by visiting your local dealer or auto-locksmith to reprogram your key fob. In certain instances, the software may also need to be reinstalled in your body control modules.

Interference

Interference can also cause the key fob not to receive or transmit an signal. This is possible when the key fob is close to a radio transmitter (cell phones, radar detectors) or any other source of electromagnetic radiation. Other reasons the key fob may not function include a poor connection to the buttons, damage to the internal chip, or water damage.

If the key fob been unable to function for a while out of the blue or even after trying every option at home to solve it e.g. replacing the battery, reprogramming it and using the spare key fob, you may have a malfunctioning receiver module on your 500. The receiver module, located beneath the dashboard, is able to pick up radio frequency signals from your key fob. It converts them into electronic commands that the vehicle interprets.

There's a simple method to reset the 500's internal system, Fiat Panda Key including the keyfob. Disconnect the battery of 12 volts for approximately 15 minutes by disconnecting the negative cable first then the positive cable. Reconnect the battery. This will clear any residual electricity, and allow you to restart the computer in your car. This can help you get your key fob working again. If the issue persists, you should seek the advice of an expert technician. They'll be able to determine the exact cause of your problems.