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How to Go About Programming a Car Key Key programming for your car is a crucial step in protecting your car against thieves. While some manufacturers permit you to program your keys but it is best to leave this task to professional locksmiths. You must first purchase an uncut car key that has the correct chip for your vehicle. They are available at most hardware and auto parts stores. Keyless entry system The keyless entry system is an excellent way to keep your car safe from thieves. It works by emitting signals that activate the car's receiver when you put your key in the ignition. The receiver then transmits the signal to unlock your car's door. It is easy to use and convenient. You can even set up multiple keys to work at the same time, which is a great feature for people who have cars shared with family members or coworkers. To program your new key fob, first ensure that your vehicle is turned off and all the doors are closed. Press the lock button on the first keyfob and wait until it sounds a chime or the lock is turned off. Repeat this process for each key fob you want to program. The process varies slightly by car manufacturer, so it is best to consult your owner's manual for specific instructions. Certain car manufacturers prohibit you from changing the programming of a key fob without access to their equipment. Certain manufacturers, such as Mercedes have you visit a dealership to program the fob. This method is costly and requires the use of dealer-specific tools. If you're looking for ways to save money, try using a programer that is compatible with the car you own. Consult the owner's manual, or a locksmith for more details on how you can utilize a programmer. If you follow these instructions and follow the steps, the EEPROM programing process for most automakers will be easy. To program a new car key chip, you'll require a blank key that has the correct transponder. They are readily available at auto and hardware stores. You'll be required 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 however, it differs by manufacturer. You can find the security code for certain vehicles in the manual of your vehicle or online. Transponder chip The transponder is a microchip with a unique code. Inserted into the ignition, the transponder chip sends a radio message to the immobilizer system of the car. The computer in the car then decodes the signal and determines if it is a valid key. If the signal doesn't match the car's computer, it will shut 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. As with any electronic device the transponder chip can malfunction or fail. This can be a frustrating experience and cause your vehicle won't start. There are a few basic solutions you can use to resolve the issue. The transponder chip's battery can be replaced to correct the issue. This is a fairly easy procedure that will restore the ability of your car to start. Another option is to replace the transponder chip and this can be a more costly option. If you choose to go this route, it's important to find a locksmith who has experience with this type of work. You can purchase a new key that has a transponder chip at most auto parts stores or even the dealership. You'll have to get the key programmed for your car. This isn't easy because each car manufacturer develops their own anti-theft systems so there's no universal solution to this problem. If you have an additional key that is already programmed to your car it is possible to reprogram it to replace the key that was lost. This will ensure that only you can start your vehicle and protect it from thieves. It is essential to keep in mind that a car that is equipped with a transponder won't start using a standard car key. Only the original key can be used. Therefore, it is important to always have at least two working keys on your side. EZ Installer The EZ Installer allows customers 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. programming car key is compatible with most modern vehicles including those with proximity and push button starts. The device is available from a website or a local hardware store. It also comes with a key-blade that can be cut at a hardware store, locksmith or at the dealership. The kit comes with directions and a pre-paid return shipping label. It's compatible with the majority of Ford and Lincoln models. However, it will not work with all models. If you're not sure whether it's compatible for your specific model, check out Tom's site for the most up-to-date compatibility information. Contrary to conventional software unlike traditional programming equipment, the EZ Installer Pro does not charge per-key “token” fees which makes it much cheaper for retailers and key professionals to offer new keys. The EZ Installer Pro can be purchased at a fraction of the cost of typical token costs. 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 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 connected to your vehicle VIN at the time of its first use. It is not compatible to program a vehicle that is not yours. Car Keys Express offers a money-back guarantee. EEPROM The EEPROM is the main chip that controls the car's electronics and security features. In contrast to older keys, that have mechanical components keys of the modern day, modern car keys are almost entirely electronic and have to be programmed by an automotive locksmith or dealer. This involves inserting a spare key from a working car into the ignition, and manipulating it until the car enters programming mode. Every car manufacturer has a different reprogramming procedure. Therefore, it is important to consult the owner's instruction manual for your specific model. Dealers can offer you the software needed to program specific models. In these cases the best choice is to call locksmiths, since they will be able to provide you with the tools needed and also help you save money. A professional will ensure that the new key is properly programmed and that the functions are functioning. To reprogram your car's keys, you'll need a working spare key, a dremel and some tools to access the electronic controller unit (ECU). The ECU is typically located under the dashboard, however it is essential to consult the owner's manual to be sure. Reprogramming the ECU is straightforward. You first need to open and close the door for the driver, except the one on the driver side. Put the key in the ignition and turn the key to “On' without starting the car. This step must be repeated a certain number of times over a short period of time, which is different for each vehicle. The car will go into programming mode after the process. This is usually signaled by an audible tone or the locks cycling. Press the lock button on your newly programmed key fob after the ECU has entered programming mode. Then, you need to quickly switch to the other working key. Don't wait around between steps or your car may wipe out all of the other key fobs, and require you to start the process again. You can also reprogram car keys that was programmed by someone else but be patient and watchful.