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How to Go About Programming a Car Key Key programming for your car is an important process for protecting your car from thieves. Certain manufacturers give you the option of reprogramming your keys yourself, but it is best to leave this to a professional locksmith. First, you must purchase a blank car key with the correct vehicle chip. They are available at most hardware and auto parts stores. Keyless entry system It is a great way of keeping your car safe from theft. It works by sending out signals that activate the car's receiver when you insert your keys in the ignition. The receiver then emits an alert that opens the door of your car. The system is easy to use and easy. You can even set up multiple keys to work simultaneously, which is a great option for those who share cars with coworkers or family members. To program your new remote, ensure that the vehicle is turned off and that all doors are closed. Then press the lock button on the first key fob, and wait for it to sound a buzz or turn its locks. Repeat this step to program each key fob. The process differs slightly depending on the car's manufacturer. Refer to your user's manual to get specific instructions. Some car manufacturers restrict you from changing the programming of a key fob without access to their equipment. Others, like Mercedes and BMW, require you to go to a dealership in order to have a key fob programmed. This method is expensive and requires the use of dealer-specific tools. If you're looking to cut costs and save money, consider using a programer that is compatible with the vehicle you own. Check the owner's manual or an expert locksmith for details regarding how to use the program and the steps to follow. If you follow these guidelines then the EEPROM programing process for a majority of car brands will be relatively simple. You will require a blank car key with transponder to program a new chip. These are available at many hardware and auto parts stores. After you have purchased the blank key, you will have to connect the programmers to your vehicle's ECU (electronic control unit). You can locate the ECU in the engine bay or under the dash, but it is different for each manufacturer. Certain vehicles must have the security code set that you can obtain from the owner's manual for your vehicle or online. Transponder chip The transponder is a microchip with an individual code. When it is placed in the ignition, the transponder chip sends a radio message to the immobilizer system of the car. The computer in the car interprets the signal to determine if it is a valid ignition key. If the signal isn't the one it is, the computer will disable the ignition to prevent the vehicle from getting started. This feature makes it harder to steal a car from thieves. The majority of modern cars are equipped with this security feature. But, as with any electronic device the transponder chip could occasionally fail or malfunction. This is extremely frustrating since it means your car won't start. There are a few basic ways to resolve the issue. One way to fix the problem is to replace the battery in the transponder chip. This is a relatively simple process that will allow the engine for your car to start. The more costly option is to replace the transponder chip. If you choose to replace the chip, it's important to hire an experienced locksmith who has experience in this field. You can buy a new key that has transponder chips at many auto parts stores or even the dealership. You'll have to get the key programmed for your vehicle. It's not easy to figure out a solution since each car manufacturer has their own anti-theft system. If you have a spare key that is already programmed to your car, you may be able to use it to reprogramme the lost one. This will ensure that only you will be able to start your car and secure it from thieves. However, it is important to keep in mind that a car equipped with a transponder chip cannot be operated with a standard key, and can only be started with the original. It is essential to keep at least two keys in good working order. EZ Installer The EZ Installer allows users to change their car keys without having to go to the dealer. This can save them time and money. The device is connected directly to the vehicle's OBD port and then connects the new remote or key with the existing one. car key programming is compatible with the majority of modern vehicles, including those with proximity and push button start. The device can be bought online or at the local hardware store. The kit also comes with the keyblade which can be cut by an expert locksmith, a hardware store or dealership. The kit comes with instructions and a pre-paid return shipping label. It is compatible with all Ford and Lincoln models, but does not support all makes and models. Tom's website has the most up-to date compatibility information for you if you're not sure if this works with your model. Unlike traditional equipment for programming unlike traditional programming equipment, the EZ Installer Pro does not charge per-key “token” costs, making it easier for key professionals and retailers to offer new keys. The EZ Installer Pro costs less than half of the typical token cost. The EZ Installer, a basic plug-and-play OBD device lets you pair a new remote or key with your vehicle within minutes using an app on your smartphone. It's available for many different automobiles and trucks, and is simple to use. Download the app connect the EZ Installer with your vehicle's OBD and follow the instructions. The EZ Installer is connected to the vehicle VIN when it is first used, so it is not able to be used to program another vehicle. It is backed by a 100% money-back guarantee from Car Keys Express. EEPROM The EEPROM is the primary chip that controls the car's electronics and security features. In contrast to older keys, that have mechanical components keys, modern car keys are entirely electronic and must be programmed by an automotive locksmith or dealer. This involves inserting the spare key into the ignition and manipulating the keys until the car enters programming mode. The reprogramming process is different for each manufacturer of cars. It is important to read the owner's guide for the model you own. Some models require special software to program the key which is available from the dealer. In these cases the best choice is to contact locksmiths, since they will be able to provide you with the required tools and also help you save money. A professional will ensure that the new key is programmed correctly and that the functions are functioning. To reprogram your car's keys it is necessary to have an extra working key, a dremel and some tools to access the electronic controller unit (ECU). The ECU is usually located under the dashboard, but it's important to check the owner's manual to be sure. Reprogramming the ECU is straightforward. First, you have to open the driver's door and close it, with the exception of the one on the driver's side. Place the key into the ignition and turn the key to “On without starting the car. Repeat this step a specified number of times within an unspecified time period which is dependent on the car. After completion, the vehicle will enter programming mode and this is typically accompanied by a chime that sounds or the locks chiming. Press the lock button on your newly programmed key fob once the ECU has entered programming mode. Then, you must quickly switch to the other working key. Don't wait around between steps or your car could wipe out all the other key fobs, and require you to start the process all over again. You may also re-program a car key that was programmed by someone else, but be patient and careful.