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How to Go About Programming a Car Key The programming of your car keys is a vital procedure to secure your vehicle from thieves. While certain manufacturers allow you to program your keys on your own, it's best to leave this job to professional locksmiths. First, you need to buy a blank key with the appropriate 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 signals that activate the receiver in your car when you put your key in the ignition. The receiver then transmits an alert that opens your car's door. It is also simple to use and convenient. You can even create multiple keys to work simultaneously, which is a great feature for those who share vehicles with coworkers or family members. To program your new remote, ensure that the vehicle is turned off and that all doors are closed. Press the lock button on the first keyfob and wait until it sounds a chime, or turns its locks. Repeat this process to program each key fob. The procedure is different based on the car manufacturer. Check your user manual for specific instructions. Some car manufacturers restrict you from changing the programming of a key fob without access to their equipment. Certain manufacturers, such as Mercedes will require you to go to the dealership to program a keyfob. This method isn't ideal because it requires the use of dealer-specific tools, and it's generally expensive. If you're looking to save money, you could use a programer that works with your car. Consult your owner's manual or an expert locksmith for details on how to use the device and the steps to follow. If you follow these instructions and follow the steps, the EEPROM programming procedure is relatively easy for most auto brands. You will require a blank car key with transponder to program the new chip. They are readily available at auto and hardware 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 find the ECU in the engine bay or under the dash however, it differs by manufacturer. Certain vehicles must be equipped with a security code that you can obtain from the owner's manual for your vehicle or on the internet. Transponder chip The transponder is a chip with a unique code. When inserted into the ignition, it sends an audio signal to the car's immobilizer system. The computer in the car analyzes the signal to determine if it corresponds with an ignition key that is valid. If the signal isn't the one it is the computer will shut off the ignition, preventing the vehicle from beginning. This makes it harder for thieves to steal vehicles. This security device is found in modern vehicles. But, as with any electronic device the transponder chip could occasionally malfunction or fail. This can be extremely frustrating as it means your car won't start. The good news is that there are some things you can do to help to fix the issue and get your vehicle back on the road. One solution to the problem is to replace the battery in the transponder chip. This is usually a simple procedure, and will restore your car's ability to start. Another option is to replace the transponder chip it could be more costly. If you decide to replace the chip, it's important to hire an experienced locksmith who has experience in this field. You can buy a new key with an electronic transponder at any auto parts store, or even an auto dealer. You'll need to get the key programmed to your car. It's not easy to find a solution because each car manufacturer has their own anti-theft program. You might be able to utilize a spare key programmed for your vehicle to program an old one. This will ensure that only you can start your car and protect it from thieves. It is essential to keep in mind that a car that is equipped with a transponder won't start with a standard car key. Only the original key can be used. It is crucial to keep at least two keys in working order. EZ Installer The EZ Installer makes it simple for consumers to replace keys for modern cars, while eliminating the hassle and cost of visiting a dealership. The device connects directly to the vehicle's OBD port and then connects the new remote or key with the existing one. It can be used on all modern vehicles, including those that have proximity and push button start. The device is available online or in a local hardware shop. It also comes with a key-blade that can be cut by a locksmith, hardware store or at the dealership. The kit comes with directions and a pre-paid return shipping label. It works with most Ford and Lincoln models, but it does not work with all brands and models. If you're unsure if it will work with your specific model, visit Tom's website for the most up-to-date compatibility information. Contrary to conventional equipment for programming, the EZ Installer Pro does not charge per key “token” costs, making it cheaper 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 basic plug and play OBD device that allows you to connect a brand new remote or key to your vehicle in a matter of minutes with an app on your phone. It is available for many different vehicles, trucks, and SUVs. Download the app connect the EZ Installer with your vehicle's OBD and follow the directions. The EZ Installer will be linked to the vehicle VIN when it is first used, so it is not able to be used to program another vehicle. It comes with a full money back guarantee from Car Keys Express. EEPROM The EEPROM chip is the main chip that controls the car's electronic and security features. In contrast to older keys, which have mechanical parts keys of the modern day, modern keys are entirely electronic and need to be programmed by an auto locksmith or dealership. This involves inserting the spare key into the ignition, and then manipulating the key until the car enters programming mode. Every car manufacturer has a different method of reprogramming. Therefore, it's essential to consult the owner's manual for your specific model. Dealers can offer you the software required to program certain models. In her latest blog , contacting a locksmith is the best option, because they can provide you with all the required tools, and can help you save money. A professional will also ensure that your new key is correctly programmed and that it functions as intended. To reprogram your new car key, you will require a spare key with a working battery and a dremel tool and a few other tools to access the electronic control unit (ECU). The ECU is typically located beneath the dashboard, however it is important to read the owner's manual for sure. Reprogramming the ECU is straightforward. 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. This procedure must be repeated a particular amount of times within the space of a few minutes that is different for each vehicle. The car will go into programming mode after the process. This is usually indicated with an audible sound or the locks reversing. When the ECU is in programming mode, it is essential to push the lock button on the newly programmed key fob. Then, it's time to switch to the second working key. You must not delay between each step, or else the car will wipe out the other key fobs. You'll have to start over. You could also try reprogramming the car key that has already been programmed by someone else, but you will need to be patient and careful.