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How to Repair Fiat 500 Keys There are a myriad of reasons your Fiat 500 key fob may cease to function. The small “watch” inside the key FOB will often fail. It's an 3.3-volt lithium CR2032 and you can find it for less than $3. A locksmith is the best choice to call if need a new car key for a classic Fiat model. United G28 Car Keys can provide this service and can provide the tools and replacement parts needed. Keys On the outside a Fiat key may seem basic but inside the casing is an electronic chip that communicates with your car's immobiliser system. If the chip isn't present, or is not properly programmed to the immobiliser, your car will not be able start. Car Keys Solutions can offer you standard equipment and technology from dealers to repair your Fiat key, regardless of whether the key has been damaged or lost. A spare key is the most efficient way to keep your car running in the event of a catastrophe or being locked out. It doesn't matter if you require a standard blank or a remote fob, we can help. We only use the finest blanks we can find and provide a fast turnaround to ensure you are back on the road quickly. Some people will choose to visit a Fiat Dealership if they need a new key, but we are able to offer a lower cost and quicker service. We can also come to your location and save you the expense of towing your vehicle to the dealer. This can reduce the waiting time, which is usually up to 10 days. Remotes The remote controls on Fiat automobiles look a lot like the keys themselves, except they feature an IR (infrared) LED on the end. The LED transmits an electronic signal to the device that opens or turns off the vehicle when the button is pressed. The signal is picked up by a microprocessor in the key that converts it into a number that is then transmitted to the device. This method is referred to as “keyless entry”. The more recent your vehicle is, the more likely you are to have an electronic keypad. The newer your vehicle is equipped with, the more features it will likely find in it. This includes locking and unlocking your car with just pressing a button or opening the doors without touching the handle, and much more. The key fob is fitted with an integrated circuit chip that communicates with the immobiliser system in the car. The system can determine if the correct key is present by looking for a specific sequence of digits inside the transponder chip. The vehicle won't start in the event that the chip is not present or if it's not programmed to the right immobiliser system. If the fob for the key is damaged, a locksmith may make a replacement. They'll also need to program the replacement key to connect with the car's immobiliser system. This is an essential part of the procedure, and you must be prepared to provide details regarding your vehicle to your locksmith when they call you. Keyless Entry If you have a keyless entry system in your Fiat 500, you can lock and unlock your car at any time with the push of a button. This is a growing feature in all kinds of vehicles and provides security and convenience to the operation of your car. Examine your remote keyless entry system isn't working. The coin battery inside the fob could be dead. Replace the battery with a fresher one with the same voltage size, type, and capacity as the original one if it has been drained. Also, ensure that the contacts of the battery are free of corrosion or dust. The rubber seals on the key fob protect the chip from water. However prolonged exposure to soapy water or salty water can cause the chip to fail. If your key fob has been exposed to water, remove the battery and allow it to dry completely before putting it back into. You can also clean the electronic chip with isopropyl and electronic cleaner. Although some may think that keyless entry is less secure, the system is actually more secure than other systems because the code used to unlock your vehicle is rolled back after every use. This means that hackers will not be able to gain permanent access to the vehicle even if they are able to intercept the signal. Transponders Fiat employs a crypto-key transponder system, which means that the keys/transponders must be precoded by the Body Control Module before they are “programmed” by the BCM. A blank key that has not been programmed cannot be done because the BCM must read and write the secret key onto the transponder before locking it. This is known as cloning. These are brand new replacement outer case SIP22 transponder key for your Fiat 500. They have a chip inside that unlocks the doors and opens the car. Locksmiths will need to cut them to fit the ignition.