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How to Go About Programming a Car Key Key programming for your car is an essential step for protecting your car from thieves. While some manufacturers allow you to reprogram your keys on your own but it is best to leave this job to a professional locksmith. First, you must purchase an uncut car key that has the correct chip for your vehicle. These are available from most hardware and auto parts stores. Keyless entry system The keyless entry system is an excellent option to keep your vehicle secure from theft. It works by sending out a signal that activates the receiver in your car when you insert your key in the ignition. The receiver transmits an alert to unlock the door of your car. It is also simple to use and easy. You can set up multiple keys to are able to work at the same time which is ideal for those who travel with coworkers or family members. To program your new key fob, first ensure that the car is off and that all doors are shut. Then you press the lock button on the first key fob and wait for it to buzz or turn its locks. Repeat this process to program each key fob. The process varies slightly by car manufacturer, so it is best to consult your owner's manual for specific instructions. Certain car manufacturers prohibit you from reprogramming your own fobs without access to the manufacturer's equipment. Some, like Mercedes, require that you go to a dealership to get your key fob programmed. This approach isn't ideal because it requires the use of a dealer's specialized tools, and is generally expensive. If you're looking for ways to save money, try using a programer that is compatible with the car you own. Refer to the owner's manual of your vehicle or a professional locksmith for specific information regarding how to use the device and the steps to follow. If you follow these guidelines then the EEPROM programming procedure is relatively easy for the majority of automobile brands. To program a new car key chip, you will require a blank key with the appropriate transponder. These are available at many auto and hardware stores. After you purchase the blank key, you'll have to connect the programmers to your car's ECU (electronic control unit). The ECU in the engine bay or under the dash but it is different for each manufacturer. Certain vehicles will require you to be equipped with a security code and you can find it from the owner's manual of your vehicle or on the internet. Transponder chip The transponder chip is a tiny microchip with an unique code. When inserted into the ignition, it transmits a radio signal to the car's immobilizer system. The computer in the car decodes the signal to determine if it is an ignition key that is legitimate. If the signal doesn't match the computer of the car, it will turn off the ignition and stop it from beginning. This feature makes it harder to steal a car from thieves. This security device is found in modern vehicles. As with any electronic device the transponder chip could fail or malfunction. This is extremely frustrating since it means that your car isn't going to start. The good news is that there are some things you can do to help to fix the issue and get your vehicle back to running. One method to fix the issue is to replace the battery in the transponder chip. This is a simple process which will allow the capability of your car to start. Another option is to replace the chip in the transponder itself it could be a more costly option. If you choose to go this route, it is essential to find a locksmith who has experience with this type of work. You can buy a new key that has a transponder chip at most auto parts stores or even the dealership. But, you'll need to program it to the specific vehicle you own. It's not easy to find a solution as every car manufacturer has its own anti-theft system. If you have a spare key that is already programmed into your vehicle you might be able to use it to reprogram the one you lost. This will make sure that only you can start your car and keep it safe against thieves. However, it is important to remember that a car with a transponder chip is not compatible with a standard key and can only be started using the original. It is crucial to keep at least two keys in good working in good working order. EZ Installer The EZ Installer makes it easy for people to replace their modern car keys, while eliminating the hassle and cost of going to the dealer. The device is connected directly to the vehicle's OBD port, and pairs the new key or remote with the current one. It is compatible with the majority of modern vehicles, including those that have proximity and push button start. The device is available online or at a local hardware store. It also comes with a key blade that can be cut by a hardware store, locksmith or at the dealership. The kit comes with instructions and a prepaid return shipping label. It works with most Ford and Lincoln models, but does not work with all makes and models. If you're unsure whether it's compatible with your particular model, check out Tom's site for the most current compatibility information. Unlike traditional equipment for programming, the EZ Installer Pro does not charge per key “token” costs, making it easier for retailers and key professionals to provide new keys. The EZ Installer Pro costs less than half of the typical token cost. The EZ Installer is a simple plug and play OBD device that allows you to connect a brand new key or remote to your vehicle in minutes using an app on your phone. It's compatible with various models of automobiles or trucks, as well as SUVs. Simply download Visit Homepage , connect the EZ Installer to your vehicle's OBD port, and follow the step-by-step instructions. The EZ installer is connected to your vehicle VIN at the time of first use. It is not able to be used to program a vehicle that is not yours. Car Keys Express offers a money-back guarantee. EEPROM The EEPROM chip is the main chip controlling the car's electronic and security features. Contrary to older car keys that have mechanical components, modern car keys are entirely electronic and have to be programmed by an auto locksmith or dealership. This involves inserting the spare key into the ignition and manipulating the key until the car enters programming mode. The procedure for reprogramming differs for each car manufacturer. It is important to read the owner's manual for the model you own. Certain models require specialized software to program the key which is available from the dealer. In these instances, calling an expert locksmith is the best option since they will supply you with the necessary tools and help you save money. A professional will make sure that the new key has been programmed correctly and that it functions as intended. To reprogram your car's key you'll need 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 make sure. Reprogramming the ECU is straightforward. First, you must open and close the door for the driver with the exception of the one on the driver's side. Place the key into the ignition and turn the key to “On without turning the car off. Repeat this step a specified number of times in an unspecified time period that varies based on the vehicle. Upon completion, the car will enter programming mode, and this is usually indicated by an audible chime or the locks turning. When the ECU is in programming mode, it's crucial to hit the lock button on the newly programmed key fob. Then, it's time to switch to the other working key. Do not wait between steps or the car could wipe out all other key fobs and have to start the process all over again. You can also try reprogramming a key for your car that was previously programmed by someone else however, you'll have to be patient and cautious.