How to Find a Fiat 500 Spare Key Fiat's classic 500 has evolved into an iconic vehicle since its revival in 2007 The company has now launched an aggressive campaign to other powertrains by launching a mild hybrid version Replacing the battery for the key fob on a Fiat 500 is straightforward and inexpensive It takes about 10 days for the key to be delivered from the Fiat main dealer Diagnostics of a fault The key fob contains an electronic chip that communicates with your Fiat's immobiliser system to ensure that only authorized vehicles are able to start engines If the transponder chip on your key fob is damaged, it won't be able to link up to the immobiliser unit, and this means that your car won't be able to start The good news is that it's possible to fix a damaged key fob provided that the chip isn't physically damaged A professional locksmith will utilize standard technologies from dealers to repair the chip quickly It is possible to utilize an OBD scanner to determine if your fob is still in communication with the receiver module This is a straightforward process and provides initial indications of the source of the issue If the OBD scan tool indicates that communication between the receiver and transmitter modules isn't happening, it may be necessary to replace the fob's transmitter This is a cost-effective option and should be left to a locksmith Dead Coin Battery A dead battery for the coin is the most common reason for the key fob to not function It's an easy fix that can be completed in only a few minutes Make sure the key fob can be recognized by your vehicle Press the "Lock" and "Unlock" buttons to determine whether they respond If the key fob is out of range, it may not be responsive at all, or might only work intermittently This could be a sign of a defective circuit board It is recommended to consult your owner's guide for instructions on how you can reprogram the keyfob for this scenario You can change the battery by getting rid of the mechanical latch on the back of the fob see the image below Then, gently pry out the edges of the battery holder in front of the switch and remove the old battery Install a brand new 3-volt CR2032 battery into the fob with the "+ side" facing the rear cover and the "- side" facing down towards the buttons made of rubber Water Damage The key fob may have rubber seals that keep water from the electronic chip inside, it's not waterproof A splash of rain or a wash cycle is likely to be acceptable but submerging the key fob in ocean or pool water could cause damage to it If the key fob is exposed to water and fails to function it will have to be reset You can follow the instructions in the owner's guideline, or visit an expert locksmith or Fiat dealer Another reason that a fob might stop working is that it's out of the range of your car Key fobs usually have a range of approximately 30 feet and if they're far from your vehicle, it won't be able to recognize them To begin with, try moving closer to your vehicle If this does not work, you may have to replace the key fob You can find replacement battery instructions for the majority of vehicles on YouTube or in the owner's manual This is a great time to think about purchasing a replacement key fob if the one you have is beginning to appear worn and damaged Faulty Receiver Module Modern Fiat models do not require an actual key to start or open the car They use an electronic remote control that sends an electronic message to the car in order to switch the engine on and off If you've broken your key fob, a locksmith will replace it for you You will save time and money by leaving this task to professionals They can also program the new key for your Fiat https//wwwthekeylabcouk/fiat-car-keys/ 'll have to give the locksmith a few details over the telephone when you need a replacement Fiat key You'll need to provide the locksmith details about your car, such as the year it was made and the model This is vital as the locksmith will require this information to make sure that the new key will work with the locks in place You will need to know that not all locksmiths are able to create replacement keys for Fiat vehicles You must choose one with a good reputation and experience in this particular field This will allow you to be certain that the new key will work with your car and you will not waste money Keys that are not paired The most common reason for a key-fob not working is a dead coin cell battery The key fob is equipped with metal clips that hold the battery in place, and completes the circuit When they become worn or loose, it could cause contact issues and loss of power Replace the battery by an identical replacement It is important to dry out the key fob if it was submerged in liquid The use of isopropyl alcohol or electronic cleaner is a great method to accomplish this It is also recommended to take the battery off and clean the circuit board before replacing it Contacting locksmiths is the best solution if you're unable to find an extra A qualified locksmith can reprogram a Fiat transponder key, without needing to see your original keys This is a much less expensive and faster option than waiting for a genuine Fiat key to arrive from Italy A professional locksmith will have all the tools and equipment required to replace your key as fast as possible