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How to Go About Programming a Car Key Car key programming is an important process for protecting your car against thieves. While some manufacturers allow you to reprogram your keys but it is best to leave this job to an experienced locksmith. First, you need to buy a blank key with the correct chip for your vehicle. They are available at most hardware and auto stores. Keyless entry system It is a great way of keeping your car safe from theft. The system works by emitting an electronic signal that activates a receiver in your car when you insert your key in the ignition. The receiver sends out a signal to unlock your car's door. The system is easy to use and convenient. You can even create multiple keys to work simultaneously this is a wonderful feature for those who share cars with coworkers or family members. To program your new remote, make sure your 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 chime or turn its locks. Repeat this step for each key fob you'd like to program. The procedure is different for each car manufacturer, so it is best to consult your user manual for specific instructions. Some car manufacturers prohibit you from changing the programming of a key fob without access to their equipment. Certain manufacturers, such as Mercedes, require you to go to the dealership to program a keyfob. This approach has the disadvantage of requiring the use of a dealer's specialized tools, and it is usually expensive. If you're looking to save money, try using a programer that is compatible with the vehicle you own. Refer to the owner's manual of your vehicle or a professional locksmith for specific information on how to use the program and what steps to follow. If you follow these instructions and follow the steps, the EEPROM programming process will be relatively simple for the majority of car brands. To program a new car key chip, you will need a blank key with the appropriate transponder. They are available at a variety of auto and hardware stores. You'll be required to connect your ECU (electronic controller unit) to the blank key after you purchase it. You can locate the ECU in the engine bay or under the dash but it is different for each manufacturer. Certain vehicles must have a security code set that you can obtain from the owner's manual for your vehicle or on the internet. Transponder chip The transponder is a microchip with a unique code. Inserted into the ignition the transponder chip transmits a radio signal to the immobilizer system in the car. 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 it will turn off the ignition, preventing the car from getting started. This makes it difficult for thieves to steal the vehicle. This security device is found in most modern cars. Like all electronic devices, the transponder chip can fail or malfunction. This can be 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. One way to fix the issue is to replace the battery inside the transponder chip. This is a simple process that will allow the engine of your vehicle to start. A more expensive option is to replace the actual transponder chip. If you choose to replace the chip it is essential to find a locksmith with experience in this field. You can buy a new key with the transponder chip in most auto parts stores or the dealership. However, you'll need to program it to the specific vehicle you own. This can be a challenge since every car manufacturer has their own anti-theft systems so there is no one-size-fits-all solution for this problem. If you have a spare key that is already programmed into your vehicle it is possible to use it to reprogram the one you lost. This will ensure that only you can start your car and secure it from thieves. It is crucial to keep in mind that a vehicle with a transponder will not start using the standard car keys. Only the original key can be used. Therefore, it is important to always have at minimum two working keys at the go. EZ Installer The EZ Installer allows customers to replace their car keys without going to the dealer. This can save them time and money. The device connects to the vehicle's standard OBD port and connects with a new remote fob or key with the current key. It can be used on the majority of modern vehicles, including those with proximity and push button start. The device is available online or at the 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 directions as well as a prepaid return shipping label. It works with most Ford and Lincoln models, but it does not work with all brands and models. Tom's website has the most current compatibility information if not sure if this will work with your model. In contrast to traditional programming equipment, the EZ Installer Pro doesn't charge “tokens” per key, making it simpler for key professionals and retailers to provide new keys. The EZ Installer Pro can be purchased at a fraction of the price of token prices. The EZ Installer is a simple plug and play OBD device that allows you to pair a new remote or key to your vehicle in just a few minutes by using an app on your smartphone. It is available for a wide range of automobiles, trucks, and SUVs. Download the app, connect the EZ Installer to your vehicle's OBD and follow the steps. The EZ Installer is linked to your vehicle VIN at the time of its first use. It cannot be used for programming a different car. Car Keys Express offers a money-back guarantee. EEPROM The EEPROM is the primary chip that controls the car's electronics and security features. Modern car keys, in contrast to older keys with mechanical components, are entirely digital. They must be programmed by an automotive locksmith or an auto dealer. This involves inserting a working spare key into the ignition and manipulating it until the car is in programming mode. Each manufacturer has a different method of reprogramming. Therefore, car key programming to refer to the owner's instruction manual for your specific model. Dealers can supply you with the necessary software to program specific models. In these cases the best choice is to speak with locksmiths, since they will be able to provide you with the necessary tools and also help you save money. A professional can also make sure that your new key has been correctly programmed and that all functions function. To reprogram your 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 will usually be situated under the dashboard. However, it is important to review the owner's manual to be sure. The reprogramming procedure is simple. First, you must open and close the door for the driver and not close the door on the driver side. Then, place the key in the ignition and turn it to the 'On' position without starting the engine. This procedure must be repeated a particular number of times in the space of a few minutes and is different for each vehicle. When the process is completed, the car will enter programming mode, and this is usually indicated by an audible chime or the locks turning. Press the lock button on your newly programmed fob once the ECU has entered programming mode. Then, you must quickly switch to the working key. You must not be patient between each step or else the car will erase the other key fobs. You will have to start over. You can also re-program car keys that was programmed by someone else however, be patient and careful.