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Reasons Your fiat 500 key not working 500 Key Fob Won't Work

A key fob for the Fiat 500 is a great way to unlock the doors and start the car. However, there are many reasons why the key fob might stop working. These include a dead coin battery, damage to the receiver module, water issues, or interference.

This listing is for an NEW replacement fiat car keys replacement Flip key fiat Remote - look-alike Ilco brand that needs to be professionally programmed by a local automotive locksmith (click here to search for a Locksmith Search). It includes lock, unlock, and trunk buttons.

Dead Coin Battery

A dead battery is probably the most common reason for your 500 key fob being inoperative. Modern key fobs come with a limited range of operation, and should be within a few feet of the vehicle in order to function. If you're not close to your vehicle and press the key fob button the car won't respond and will display a "Key Fob Not Detected" message in the instrument cluster.

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

You can test the battery of your coin-cell by pressing the buttons while you are standing close to your Fiat 500. The car key cover fiat 500 will flash its parking lights, and the key fob should operate the lock and unlock buttons.

If your key fob isn't working even after replacing the battery, there could be water damage that hinders it from communicating with the module in your vehicle. Water damage can happen in a variety of ways, ranging from a light splash to submerging the fob in salt water at the beach. If you suspect that your fob has been exposed to water, put it in a dry rice bag to pull the moisture out. If this isn't working, you'll have to get your fob reprogrammed either by an auto locksmith or a 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 then fail. In the event that you let your fob get wet, it's not an ideal idea but if you drop it in an empty cup of water, or don't remember to remove it from your pants pocket prior to running the washer Don't give up hope.

First, remove the battery. Before replacing the battery clean the electronic chip with isopropyl or a similar product. Test the fob afterward to see if it is working. If the key does not function it could need to be reprogrammed. This is usually handled by an auto locksmith or dealer.

If your key is older and is not programmed for your car, you will need to replace it completely. This is a simple procedure that can be carried out by a professional automotive locksmith. The locksmith must cut the key to match the ignition on your vehicle. They will also need to reprogram the fob in the system of your car. This is a low-cost and fast process that can be completed the same day.

Receiver Module Issues

The 500 key fob could not function because it's out of range. The remote has a range of 30 feet. Therefore, should you be too far from your car, it won't respond to your commands. It is possible to remedy this by moving your remote closer to your vehicle until it responds.

If your fob isn't working after replacing the battery in the coin, also known as a "button", "watch" or "button" it may be due to a malfunction on the internal circuit board. Reprogramming the fob usually resolves the issue. You can find directions on how to do this on the majority of automobiles by searching YouTube or reading the owner's manual.

It is sometimes necessary to replace the metal clips that hold the coin batteries in the correct position. If they lose tension it could prevent the coin battery from being seated properly, and this will cause your remote to malfunction.

In rare cases the fob may be out of the vehicle's sync because due to hardware or software issues. This can be a major issue, but you are able to often fix this by visiting a local dealer or auto locksmith to reprogram your fob for you. In some cases it is possible that the software will require reinstallation into 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 could occur if the key fob is in close proximity to a radio transmitter, like a cell phone or radar detector. The key fob could not function because of a problem with the buttons water damage or damage to the internal chips.

If the which lost key to car fiat fob stopped working one day out of the blue, or after trying everything you can do at home to resolve it e.g. replacing the battery, reprogramming it and using the spare key fob, it could have a damaged receiver module on your 500. The receiver module is situated under the dash, and it picks up the radio frequency signals from the key fob. It converts them into electronic commands that the vehicle interprets.

Fortunately, there's an easy way to reset all of the on-board systems in your 500 device, including the key fob. Disconnect the battery of 12 volts for about 15 minutes, by removing the negative cable first then the positive cable. Reconnect the battery. This will eliminate any remaining electricity, and allow you to restart the car's computer. This could help you get your key fob to function again. If the issue continues you should seek out an expert certified technician. They'll be able determine the exact cause of your problem.