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How to Go About Programming a Car Key The programming of your car keys is a vital process to protect your vehicle from theft. While some manufacturers permit you to program your keys on your own however, it's best to delegate this task to an experienced locksmith. First, you must buy a blank key with the right chip for your car. They can be purchased from many hardware and auto parts stores. Keyless entry system It's a great way of keeping your car safe from theft. The system works by emitting an electronic signal which activates a receiver within your vehicle when you place your keys in the ignition. The receiver then sends out a signal that unlocks your car door. It is easy to use and convenient. You can even create multiple keys to work simultaneously This is a fantastic option for those who share vehicles with coworkers or family members. To program your new key fob, make sure that the vehicle is off and that all doors are shut. Press the lock button on the first keyfob. Wait until it sounds a chime, or turns 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 makers prohibit you from reprogramming your own fobs without access to the manufacturer's equipment. Some manufacturers, like Mercedes will require you to go to the dealership to program the fob. This method isn't ideal because it requires the use of dealer-specific tools, and is generally expensive. If you want to save money, test a programer that is compatible with your car. Check the owner's manual or an expert locksmith for details on how to use the program and the steps to follow. If you follow these steps then the EEPROM programing process for most automakers will be simple. To program a new car key chip, you will require a blank key that has the appropriate transponder. They are available at a variety of hardware and auto stores. You'll need to connect your ECU (electronic controller unit) to the blank key once you have purchased it. You can find 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 that you can obtain from the owner's manual for your vehicle or online. Transponder chip The transponder is a chip with a unique code. Inserted into the ignition the transponder chip transmits a radio signal to the immobilizer system of the car. The computer of the car decodes the signal and determines whether or not it matches a valid key. If the signal is not the same the computer will shut off the ignition to prevent the vehicle from beginning. This makes it harder for thieves to steal a vehicle. Most modern-day cars come equipped with this security device. Like any electronic device, the transponder chip could malfunction or fail. This can be extremely frustrating as it means your car won't start. The good news is that there are a few steps you can do to help fix the problem and get your car back up and running. The battery of the transponder chip can be replaced to fix this issue. This is usually a simple procedure that can restore your car's ability to start. Another option that is more costly is to replace the transponder chip. If you decide to do this it is essential to find a locksmith with experience in this area. You can buy a new key that has an electronic transponder at any auto parts store or even a dealership. However, you'll have to program it to the specific car you have. It's difficult to find a solution because each car manufacturer has their own anti-theft program. If you have an additional key that is already programmed into your vehicle it is possible to use it to reprogramme the key that was lost. This will ensure that only you will be able to start your vehicle and keep it safe from thieves. It is crucial to remember that a car that is equipped with a transponder won't start with the standard car keys. Only the original key can be used. Therefore, it is essential to have at the very least two functioning keys on your side. EZ Installer The EZ Installer makes it easy for consumers to replace modern car keys, all the while eliminating the hassle and cost of going to the dealer. It connects directly to the vehicle's OBD port, and then pairs the new remote or key with the existing one. It can be used on the majority of modern vehicles, including those that have proximity and push button starting. The device can be purchased online or at an local hardware store. It also comes with a key-blade that can be cut by a hardware store, locksmith or at the dealership. reprogram car key includes instructions and a pre-paid return shipping label. It is compatible with all Ford and Lincoln models, but it does not work with all brands and models. Tom's website provides the most up-to-date compatibility information if you are not sure if this works with your specific model. Unlike traditional software unlike traditional programming equipment, the EZ Installer Pro does not charge per key “token” fees which makes it cheaper for retailers and key professionals to offer new keys. The EZ Installer Pro costs less than half the cost of a typical token cost. The EZ Installer is a simple, plug and play OBD device that lets you pair a new remote or key to your vehicle in minutes using an app that you can download on your smartphone. It is available for many different vehicles and trucks as well as SUVs. Download the application and connect the EZ Installer with your vehicle's OBD and follow the instructions. The EZ Installer is linked to your vehicle's VIN at the time of its first use. It cannot be used for programming a different car. It is backed by a full money-back guarantee from Car Keys Express. EEPROM The EEPROM chip is the primary chip that controls the car's electronics and security features. Modern car keys, in contrast to older keys that had mechanical parts, are entirely digital and must be programmed by an automotive locksmith or a dealership. This involves inserting a working spare key into the ignition and manipulating it until the car is in programming mode. The process of reprogramming is different for each car manufacturer. It's important to check the owner's manual for the model you own. Dealers can provide you with the necessary software to program some models. In these instances, calling a locksmith is the best option, since they will supply you with the necessary tools and will help you save money. A professional can also make sure that your new key has been properly programmed and all functions function. To reprogram your new car key, you'll require a spare key with a working battery, a dremel tool, and a few tools to access the electronic control unit (ECU). The ECU is usually located under the dashboard, however it is essential to consult the owner's manual for sure. The reprogramming procedure is simple. First, you must open the driver's door and close it, excluding the one on the driver's side. Then, place the key in the ignition and move it to the “On position, without triggering the engine. This step must be repeated a certain number of times over an extremely short time and is different for each vehicle. Upon completion, the car 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 fob when the ECU has entered programming mode. Then, it's time to switch to the second working key. Don't wait around between steps or the car may wipe out all of the other key fobs and will have to start the process all over again. You can also re-program car keys programmed by someone else but be patient and cautious.