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How to Go About Programming a Car Key The programming of your car keys is a vital procedure to safeguard your vehicle from theft. While certain manufacturers allow you to program your keys on your own however, it's best to delegate this job to professional locksmiths. First, you must purchase a blank car key with the correct chip for your vehicle. These are available at most auto and hardware stores. Keyless entry system It is a great way of keeping your car safe from theft. The system works by sending an electronic signal which activates a receiver within your vehicle when you place your key in the ignition. The receiver then emits an alert that opens the door of your car. The system is easy to use and convenient. You can even create multiple keys to work simultaneously This is a fantastic feature for those who share cars with coworkers or family members. To program your new key fob, first make sure that the vehicle is off and that all doors are shut. Then, press the lock button on the first key fob, and wait for it to sound a sound or turn the locks. Repeat this step for each key fob you'd like to program. The procedure varies slightly based on the manufacturer of your car. Refer to your user's manual for specific instructions. Certain car makers prohibit you from changing the program of your own fobs, without access to the equipment of the manufacturer. Certain manufacturers, such as Mercedes will require you to go to the dealership to program the fob. This method has the disadvantage of requiring the use of a dealer's special tools, and is usually expensive. If you're looking to cut costs and save money, consider using a programer that is compatible with the vehicle you own. Check the owner's manual or an experienced locksmith for information on how to use the device and the steps to follow. If you follow these guidelines then the EEPROM programming process will be relatively simple for most car brands. To program a new car key chip, you will require a blank key with the appropriate transponder. They are available at a variety of auto and hardware parts stores. After purchasing the blank key, you will need to connect the programmer to your vehicle's ECU (electronic control unit). The ECU is located in the engine bay, beneath the dashboard, or on the dashboard, depending on the manufacturer. Certain vehicles will require you to have a security code set and you can find it from the owner's manual for your vehicle or on the internet. Transponder chip The transponder chip is a tiny microchip with an unique code. When it is inserted into the ignition, it sends an audio signal to the immobilizer system of the car. The car's computer decodes the signal to determine if it is an ignition key that is legitimate. If the signal doesn't match the computer of the car, it will disable the ignition and prevent it from beginning. This makes it harder for thieves to steal the vehicle. This security device is standard in modern vehicles. Like any electronic device, the transponder chip could fail or malfunction. This can be frustrating and cause your car won't start. There are a few basic solutions you can use to fix the problem. One method to fix the problem is to replace the battery inside the transponder chip. This is a relatively easy procedure that will restore the ability for your vehicle to start. Another alternative is to replace the chip in the transponder itself, which can be more costly. If you choose to go this route, it's crucial to choose a locksmith who has experience with this type of work. You can purchase a brand new key that has the transponder chip in most auto parts stores, or the dealership. But, you'll need to program it to the specific vehicle you own. This isn't easy because each car manufacturer develops their own anti-theft systems therefore there isn't a universal solution to this problem. You might be able to make use of a spare key that has been programmed for your vehicle to reprogramme an old one. This will ensure that only you are able to start your car and secure it from thieves. It is crucial to keep in mind that a car that has a transponder chips cannot be operated with a standard keys and can only be started with the original. Therefore, it is important to have at minimum two working keys at your side. EZ Installer The EZ Installer makes it simple for users to replace modern car keys, while eliminating the hassle and cost of visiting a dealership. key reprogramming connects to the vehicle's standard OBD port and pairs the new remote fob or key with the current key. It can be used on most modern vehicles including those that have proximity and push button starting. The device can be purchased online or at the local hardware store. The kit also includes the keyblade which can be cut by a locksmith, hardware store or dealer. The kit includes instructions and a pre-paid return shipping label. It's compatible with majority of Ford and Lincoln models. However, it will not work on all models. If you're not certain if it will work with your particular model, check out Tom's site for the most up-to-date compatibility information. In contrast to traditional software unlike traditional programming equipment, the EZ Installer Pro does not charge per-key “token” fees which makes it easier for retailers and key professionals to provide new keys. The EZ Installer Pro can be purchased for less than half the price of token costs. The EZ Installer is a simple, plug and play OBD device that lets you pair a new key or remote to your vehicle in a matter of minutes by using an app on your phone. It's available for many different vehicles as well as trucks and SUVs. It is easy to use. Download the application and connect the EZ Installer with your vehicle's OBD and follow the instructions. The EZ Installer is linked to your vehicle's VIN at the time of initial use. It is not compatible to program a vehicle that is not yours. It is backed by a full money back guarantee from Car Keys Express. EEPROM The EEPROM chip is the primary chip that controls the car's electronics and security features. Modern car keys, unlike older keys that had mechanical components, are entirely digital. They must be programmed either by an automotive locksmith or dealership. This involves inserting the spare key into the ignition, and manipulating the keys until the car enters programming mode. The procedure for reprogramming differs for each manufacturer of cars. Therefore, it is important to consult the owner's instruction manual for your specific model. Certain models require specialized software to program the key which is available from a dealer. In these situations, contacting a locksmith is the best option, as they will provide you with all the required tools, and can assist you in saving money. A professional will also ensure that your new key has been properly programmed and all functions function. To reprogram your car key it is necessary to have an extra 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. Reprogramming is easy. First, you must open and close the door to the driver with the exception of the one on the driver's side. Then, you need to insert the key into the ignition and turn it to the 'On position, but do not start the engine. Repeat this process a specific number of times in a short time frame which is dependent on the car. The car will go into programming mode after completing the procedure. This is usually indicated by an audible tone or the locks reversing. Press the lock button on your newly programmed key fob after the ECU has entered programming mode. Then, it's time to switch to the second working key. Don't wait around between steps or the car may wipe out all the other key fobs and will have to start the process over again. You can also try reprogramming the car key that was programmed by another person however you'll have to be patient and cautious.