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How to Go About Programming a Car Key The programming of your car keys is an essential process to protect your vehicle from thieves. Some manufacturers offer the option of programming your keys on your own, however it is best to leave this to professional locksmiths. First, you need to purchase a blank key that has the correct chip for your vehicle. They are available in most auto and hardware stores. Keyless entry system It is a great way to safeguard your car from theft. The system works by sending an electronic signal that activates a receiver in your vehicle when you put your key in the ignition. programming car key emits the signal to unlock your car door. The system is easy to use and convenient. You can even create multiple keys to work at the same time, which is a great feature for those who have cars shared with friends or family members. To program your new key fob, you must first ensure that your vehicle is off and all doors are shut. Then you press the lock button on the first key fob, and wait for it to sound a chime or turn its locks. Repeat this procedure for each of the key fobs you'd like to program. The procedure varies slightly depending on the car manufacturer, so it is best to consult your owner's manual for specific instructions. Certain car makers restrict you from changing the programming of a key fob without having access to their equipment. Some manufacturers, like Mercedes have you go to the dealership to program the fob. This method is expensive and requires the use of dealer-specific tools. If you want to save money, you could test a programer that is compatible with your vehicle. Check the owner's manual or a locksmith for more details on how to make use of a programming. If you follow these guidelines and follow the steps, the EEPROM programming process will be relatively simple for most car brands. You will require a new car key that has a transponder to program a new chip. They are readily available at auto and hardware stores. After you purchase the blank key, you'll need to connect the device to your car's ECU (electronic control unit). You can locate the ECU in the engine bay or under the dash but it is different for each manufacturer. Certain vehicles will require you to have a security code set and you can find it from the owner's manual of your vehicle or online. Transponder chip The transponder is a microchip with an individual code. When it is placed in the ignition the transponder chip transmits a radio message to the immobilizer system in the car. The computer in the car then decodes the signal and determines if it matches a valid key. If the signal isn't the same it will turn off the ignition to stop the car from beginning. This makes it much more difficult for thieves steal a car. Most modern-day cars come equipped with this security gadget. However, like any electronic device the transponder chip could sometimes malfunction or fail. This can be a frustrating experience when your vehicle won't start. The good news is that there are a few steps you can do to solve the issue and get your car back up and running. The transponder chip's battery can be replaced to correct this issue. This is usually a simple procedure that will allow your car to start. A more expensive option is to replace the actual transponder chip. If you decide to replace the chip, it's important to hire a locksmith with experience in this field. You can buy a new key that has a transponder in any auto parts store or even a dealership. You'll need to get the key programmed to your car. It's not easy to figure out a solution since each car manufacturer has their own anti-theft system. If you have a spare key that is already programmed into your vehicle it is possible to use it to reprogram the key that was lost. This will ensure that only you are able to start your car and protect it from thieves. However, it is important to remember that a car with a transponder chip cannot be operated with a standard key, and can only be started with the original. It is crucial to keep at least two keys in working in good working order. EZ Installer The EZ Installer allows consumers to replace their car keys without having to go to the dealer. This can save them time and money. The device connects to the vehicle's standard OBD port and connects the new remote fob or key with the key that is already in use. It can be used with most modern automobiles, including those that have proximity and push button start. The device can be purchased on the internet or at the local hardware store. The kit also comes with the keyblade which can be cut by an authorized locksmith, hardware shop or dealer. The kit comes with instructions and a prepaid return shipping label. It's compatible with majority of Ford and Lincoln models. However, it does not work on all models. If you're unsure if it will work with your specific 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 retailers and key professionals offer new keys. The EZ Installer Pro costs less than half the cost of a typical token cost. The EZ Installer, a simple plug-and-play OBD device, allows you to pair an additional remote or key with your vehicle in just a few minutes through an app on your smartphone. It's compatible with various models of automobiles, trucks, and SUVs. Download the app, connect the EZ Installer to your vehicle's OBD port, and follow the step-by-step instructions. The EZ Installer is linked to your vehicle VIN at the time of initial use. It is not compatible to program a different vehicle. It is backed by a 100% money-back guarantee from Car Keys Express. EEPROM The EEPROM is the main chip that controls the car's electronic and security features. Modern car keys, unlike older keys with mechanical parts, are entirely digital and need to be programmed by an automotive locksmith, or an auto dealer. This process involves inserting a spare key from a working car into the ignition, and manipulating it until the car is in programming mode. Each car manufacturer has a different process for reprogramming. It is important to read the owner's manual for your model. Dealers can offer you the software required to program some models. In these situations, contacting locksmiths is the best choice, as they will provide you with all the necessary tools and assist you in saving money. A professional will ensure that the new key has been programmed correctly and that it functions as intended. To reprogram your 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 usually located under the dashboard, but it is important to read the owner's manual to be sure. Reprogramming is easy. First, you must open the driver's door and close it, with the exception of the one on the driver's side. Next, put the key in the ignition and switch it to the “On position, but do not start the engine. Repeat this procedure a certain number of times in an unspecified time period which is dependent on the car. Upon completion, the car will enter programming mode, and this is usually indicated with an audible chime or the locks chiming. When the ECU is in programming mode, it's crucial to push the lock button on the newly programmed key fob. Then, you need to quickly switch to the other working key. You must not delay between each step, or else the car will erase the other key fobs. Then, you'll need to start again. You can also reprogram the car key that was that was programmed by someone else but be patient and cautious.