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How to Go About Programming a Car Key Car key programming is an essential step for protecting your car against thieves. While some manufacturers allow you to program your own keys however, it's best to delegate this task to professional locksmiths. The first step is to purchase a blank key that has the correct chip for your vehicle. They are available at most hardware and auto parts stores. Keyless entry system It's a great way of keeping your car safe from theft. The system works by sending an electronic signal that activates a receiver inside your car when you insert your key in the ignition. The receiver then sends out a signal that unlocks your car door. The system is easy to use and convenient. You can set up multiple keys that can be used simultaneously which is ideal for those who share a car with family or coworkers. To program your new key fob, first 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 it turns the locks. Repeat this step to program each key fob. The procedure is different based on the manufacturer of your car. Consult your user manual for specific instructions. Certain car makers restrict you from reprogramming a key fob without having access to their equipment. Some manufacturers, like Mercedes, require you to go to the dealership to program the fob. This method has the disadvantage of requiring the use of a dealer's specialized tools, and it's generally expensive. If you're looking to save money, you could test a programer that is compatible with your vehicle. Consult your owner's manual or an expert locksmith for information on how to use the programmer and what steps to follow. If you follow these steps, the EEPROM programming process for the majority of automakers will be simple. To program programmed car keys , you will require a blank key with the appropriate transponder. They are available at a variety of auto and hardware stores. After purchasing the blank key, you'll have to connect the programmers to your car's ECU (electronic control unit). The ECU is located in the engine bay, beneath the dashboard, or on the dashboard depending on the manufacturer. You can find the security code of certain vehicles in the manual of your vehicle or online. Transponder chip The transponder chip is an incredibly small microchip with a unique code. When it is inserted into the ignition, the transponder chip sends a radio message to the immobilizer system of the vehicle. The computer in the car decodes the signal to determine if it matches a valid ignition key. If the signal does not match the car's computer, it will turn off the ignition and stop it from starting. This makes it much more difficult for thieves steal a car. Modern cars are often equipped with this security feature. However, like any electronic device the transponder chip may occasionally fail or malfunction. This is extremely frustrating since it means your car won't start. There are a few basic solutions you can use to fix the issue. One method to fix the issue is to replace the battery in the transponder chip. This is usually a simple procedure that will restore your car's ability to start. Another option that is more costly is to replace the transponder chip. If you choose to go this route, it's crucial to choose an experienced locksmith in this kind of work. You can buy a new key with a transponder at any auto parts store or even a dealership. You'll need to get the key programmed to your car. This isn't easy because every car manufacturer has their own anti-theft system, so there's no universal solution to this problem. You may be able use a spare key already programmed for your vehicle to program the one you lost. This will ensure that only you are able to start your car and protect it from thieves. It is crucial to remember that a car equipped that has a transponder cannot start using an ordinary car key. Only the original key can be used. It is crucial to keep at least two keys in good working order. EZ Installer The EZ Installer enables users to change their car keys without going to the dealer. This saves them time and money. The device connects to the vehicle's standard OBD port and pairs a new remote fob or key with the current key. It is compatible with all modern vehicles, including those with proximity and push button start. The device is available online or in a local hardware store. It also comes with a key blade that can be cut by a hardware store, locksmith or at the dealership. The kit comes with instructions and a pre-paid return shipping label. It is compatible with the majority of Ford and Lincoln models, but it does not work with all makes and models. If you're not sure if it will work with your specific model, check Tom's website for the most up-to-date compatibility information. Contrary to conventional 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 is a basic plug and play OBD device that allows you to pair a new remote or key to your vehicle in minutes using an app on your smartphone. It's compatible with various models of vehicles, trucks, and SUVs. Download the app, connect the EZ Installer to your vehicle's OBD and follow the directions. The EZ installer is connected to your vehicle VIN at the time of initial use. It is not able to be used to program a vehicle that is not yours. It comes with a full money-back guarantee from Car Keys Express. EEPROM The EEPROM is the primary chip that controls the car's electronic and security features. In contrast to older keys, that have mechanical components, modern car keys are entirely electronic and need to be programmed by an auto locksmith or dealership. This involves inserting a spare key from a working car into the ignition, and manipulating it until the car is in programming mode. The procedure for reprogramming differs for each car manufacturer. It is essential to review the owner's manual for the model you own. Some models require special software to program the key that can be purchased from the dealer. In these cases the best choice is to contact locksmiths, since they can provide you with the tools needed and help you save money. A professional will make sure that the new key is properly programmed and that its functions are working. To reprogram your car key it is necessary to have a spare working key, a dremel and some tools to access the electronic controller unit (ECU). The ECU is usually located under the dashboard, however it is important to read the owner's manual to be sure. The reprogramming procedure is simple. First, you must open and close the door for the driver, except the one on the driver side. Insert the key in the ignition and turn the key to “On without starting the car. This procedure is required to be repeated a specific number of times in the space of a few minutes that is different for each vehicle. Upon completion, the car will enter programming mode and this is typically indicated with an audible chime or the locks cycling. When the ECU is in programming mode, it is essential to hit the lock button on the newly programmed key fob. You must then quickly switch to the second working key. You must not be patient between each step, or else the car will erase the other key fobs. Then, you'll need to start again. You can also try reprogramming a car key that was programmed by another person however you'll have to be patient and watchful.