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How to Go About Programming a Car Key The programming of your car keys is an essential procedure to safeguard your vehicle from theft. Some manufacturers offer the option to reprogram your keys yourself, but it is recommended to leave this to a professional locksmith. You will need to first purchase an uncut car key that has the correct chip for your vehicle. They are available at most hardware and auto parts stores. Keyless entry system It is a great way to protect your car from theft. It works by sending out an electrical signal that activates the car's receiver when you insert your key in the ignition. The receiver then transmits a signal that unlocks the door of your car. The system is easy to use and convenient. You can create multiple keys that work simultaneously and is perfect for those who travel with coworkers or family members. To program your new remote, make sure the vehicle is off and that all doors are shut. Press the lock button of the first keyfob and wait until it sounds a chime or the lock is turned off. Repeat this process for each key fob you want to program. The procedure is different for each car manufacturer, so it is recommended to refer to your user manual for specific instructions. Certain car makers prohibit you from reprogramming your own fobs without having access to the manufacturer's equipment. Others, like Mercedes requires that you go to a dealership to get your key fob programmed. This approach has the disadvantage of requiring the use of a dealer's special tools, and it is usually expensive. If you're looking to save money, you can try using a programmer that is compatible with your vehicle. Consult your owner's manual or an expert locksmith for information about how to use the programmer and which steps to follow. If you follow these guidelines then the EEPROM programming procedure is relatively easy for the majority of auto brands. To program a new car key chip, you'll require a blank key that has the proper transponder. They are available in a variety of hardware and auto parts stores. After purchasing the blank key, you will have to connect the programmers to your vehicle's ECU (electronic control unit). The ECU is located in the engine bay, under the dashboard or on the dashboard, depending on the manufacturer. Some vehicles will need to have the security code set that you can obtain from the owner's manual of your vehicle or on the internet. Transponder chip The transponder chip is a tiny microchip that has a unique code. Inserted into the ignition the transponder chip transmits a radio signal to the immobilizer system in the car. The car's computer interprets the signal to determine if it corresponds with a valid ignition key. If the signal doesn't match the computer of the car, it will shut off the ignition and stop it from beginning. This makes it more difficult for thieves to rob the vehicle. The majority of modern cars are equipped with this security feature. As with any electronic device the transponder chip can fail or malfunction. This can be a frustrating experience when your vehicle won't start. There are a few simple solutions you can use to resolve the issue. One way to fix the issue is to replace the battery inside the transponder chip. This is usually a simple procedure that will restore your car's ability to start. Another option is to replace the chip in the transponder itself it could be more costly. If you decide to replace the chip it is important to choose an experienced locksmith in this area. You can buy a new key with transponder chips at many auto parts stores or the dealership. You'll need to get the key programmed to your vehicle. It's not easy to find a solution because every manufacturer has their own anti-theft program. You could be able to use a spare key already programmed for your vehicle to reprogramme the one you lost. This will ensure that only you can start your vehicle and secure it from thieves. However, it is essential to remember that a vehicle equipped with a transponder chip will not work with a standard key, and can only be started with the original. It is essential to keep at minimum two keys in working condition. EZ Installer The EZ Installer enables users to change their car keys without having to go to the dealer. This saves them time and money. The device connects to the vehicle's standard OBD port and pairs the new key or remote fob with the current key. It is compatible with all modern automobiles, including those that have proximity and push button start. The device can be bought from a website or a local hardware store. It also comes with a key-blade that can be cut at a locksmith, hardware store or at the dealership. The kit comes with instructions and a prepaid return shipping label. It is compatible with the majority of Ford and Lincoln models. However, automotive key programming may not work on all models. If you're not sure if it will work with your particular model, visit Tom's website for the most current compatibility information. Unlike traditional programming equipment the EZ Installer Pro doesn't charge “tokens” per key, making it easier for key professionals and retailers to provide new keys. The EZ Installer Pro costs less than half of the typical token cost. The EZ Installer is a basic plug and play OBD device that allows you to connect a brand new key or remote to your vehicle in minutes with an app on your phone. It's compatible with various models of vehicles or trucks, as well as SUVs. Download the application connect the EZ Installer with your vehicle's OBD and follow the instructions. The EZ Installer is connected to the vehicle's VIN when it is first used It is not able to be used to program another vehicle. It is backed by a full money back guarantee from Car Keys Express. EEPROM The EEPROM is the main chip that controls the car's electronics and security features. programming car key , unlike older keys that had mechanical parts, are entirely digital and need to be programmed either by an automotive locksmith, or dealership. This involves inserting a working spare key into the ignition and manipulating it until the car is in programming mode. The reprogramming process is different for each car manufacturer. It is essential to review the owner's manual for your particular model. Some models require special software to program the key which is available from a dealer. In these instances the best choice is to contact a locksmith, since they can provide you with the required tools and help you save money. A professional will make sure that the new key is properly programmed and its functions are working. To reprogram your new car key, you'll require a spare key with a working battery and a dremel tool and a few tools to access the electronic control unit (ECU). The ECU is typically located under the dashboard, however it is important to read the owner's manual to be sure. The reprogramming procedure is simple. First, you need to open the driver's door and close it, excluding the one on the driver's side. Then, you need to put the key in the ignition and move it to the “On position, but do not start the engine. Repeat this step a specified number of times within a short time frame, which varies by vehicle. After completion, the vehicle will enter programming mode, and this is typically indicated by a chime that sounds or the locks cycling. When the ECU is in programming mode, it is important to push the lock button on the newly programmed key fob. Then, it's time to switch to the other working key. Don't wait around between steps or the car could wipe out all the other key fobs and will require you to start the process again. You can also try reprogramming a key for your car that was programmed by someone else however you'll have to be patient and cautious.