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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. Some manufacturers offer the option to reprogram your keys by yourself, but it is best to let an experienced locksmith. You must first purchase a blank car key with the correct vehicle chip. They are available at most hardware and auto stores. Keyless entry system It is a great way to protect your car from theft. The system works by sending an electronic signal which activates a receiver within your vehicle when you put your key in the ignition. The receiver emits an alert to unlock your car's door. It is easy to use and convenient. You can even create multiple keys to work simultaneously this is a wonderful feature for people who share cars with friends or family members. To program your new key fob, ensure that the car is off and that all the doors are closed. Press the lock button of the first keyfob, and wait until it sounds a chime or the lock is turned off. Repeat this process to program each key fob. The process differs slightly depending on the manufacturer of your car. Refer to your user's manual for specific instructions. Certain car makers restrict you from programming a key fob, without access to their equipment. Others, like Mercedes and BMW, require you to visit a dealer to get a key fob reprogrammed. This method is costly and requires the use of dealer-specific tools. If you're looking to save money you can try using a programmer that is compatible with the vehicle you own. Check the owner's manual or an experienced locksmith for details about how to use the programmer and which steps to follow. If you follow these steps, the EEPROM programing process for most automobile brands will be fairly simple. To program a new car key chip, you'll need a blank key with the appropriate transponder. These are available at many hardware and auto stores. You will need to connect your ECU (electronic controller unit) to the blank key after purchasing it. The ECU is located in the engine compartment, underneath the dashboard, or on the dashboard, based on the manufacturer. You can find the security code for certain automobiles in the owner's manual or online. Transponder chip The transponder is a microchip with an unique code. When it is inserted into an ignition, it relays a radio signal to the immobilizer system of the car. The car's computer analyzes the signal to determine if it is an ignition key that is valid. If the signal doesn't match the car's computer, it will disable the ignition and stop it from beginning. This makes it much more difficult for thieves steal a car. This security device is standard in most modern cars. However, just like any electronic device the transponder chip could occasionally malfunction or fail. This can be extremely frustrating as it means your car won't start. There are a few basic solutions you can use to fix the problem. One way to fix the problem is to replace the battery in the transponder chip. This is a relatively simple process which will allow the capability of your vehicle to start. Another option is to replace the transponder chip, which can be more costly. If you decide to replace the chip, it's important to hire an experienced locksmith in this area. You can purchase a new key that is equipped with a transponder at any auto parts store, or even an auto dealer. However, you'll have to get it programmed to your specific vehicle. This can be difficult since every car manufacturer has their own anti-theft system, so there's no universal solution to this issue. If you have an additional key that is already programmed to your vehicle, you may be able to use it to reprogram the lost one. This will ensure that only you can start your car and keep it safe from thieves. It is important to remember that a car equipped with a transponder will not start with a standard car key. Only the original can be used. It is essential to keep at least two keys in good working condition. EZ Installer The EZ Installer enables users to change their car keys without going to the dealer. car key programming can save them time and money. It connects directly to the vehicle's OBD port, and then pairs the new key or remote with the existing one. It is compatible with the majority of modern vehicles, including those that have proximity and push button starts. The device is available online or in the local hardware store. It also includes a key blade which can be cut at the hardware store, a 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 does not work with all brands and models. Tom's website has the most up-to-date compatibility information if not certain if this is compatible with your specific model. In contrast to traditional equipment for programming unlike traditional programming equipment, the EZ Installer Pro does not charge per key “token” fees, making it more affordable for retailers and key professionals to provide 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 lets you connect a new remote or key to your vehicle in minutes using an app on your smartphone. It's available for many different automobiles and trucks, and is simple to use. Download the application connect the EZ Installer with your vehicle's OBD and follow the instructions. The EZ Installer is linked to the vehicle's VIN upon first use It cannot be used to program a different vehicle. Car Keys Express offers a money-back guarantee. EEPROM The EEPROM chip is the main chip that controls the car's electronics and security features. Contrary to older car keys which have mechanical parts keys, modern car keys are almost entirely electronic and need to be programmed by an automotive locksmith or dealer. This involves inserting the spare key into the ignition and manipulating the key until the car enters programming mode. Each car manufacturer has a distinct method of reprogramming. Therefore, it's important to consult the owner's manual for the specific model you own. Dealers can offer you the software needed to program some models. In these instances the best choice is to call locksmiths, since they will be able to provide you with the required tools and also help you save money. A professional can also make sure that your new key is correctly programmed and that it functions as intended. To reprogram your car key, you'll need a working spare key, a dremel tool, and a few tools to access the electronic control unit (ECU). The ECU is typically located under the dashboard, but it is essential to consult the owner's manual for sure. The reprogramming process is very simple. First, you have to open the driver's door and close it, with the exception of the one on the driver's side. Place the key into the ignition and turn the key to 'On' without starting the car. Repeat this step a specified number of times within the timeframe which is dependent on the car. When the process is completed, the car will enter programming mode and this is typically indicated by an audible chime or the locks cycling. Once the ECU is in programming mode, it is essential to push the lock button on the newly programmed key fob. Then, you must quickly switch to the second working key. You should 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 re-program a car key that was programmed by someone else, but be patient and careful.