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How to Go About Programming a Car Key Key programming for your car is an important process for protecting your car from thieves. While some manufacturers allow you to reprogram your own keys, it's best to leave this task to an experienced locksmith. First, you must purchase a blank car key that includes 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 method to keep your car safe from thieves. It works by sending out signals that activate the receiver in your car when you insert your keys 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 create multiple keys to work simultaneously This is a fantastic feature for those who share vehicles with friends or family members. To program your new remote, make sure the vehicle is off and that all doors are shut. Press the lock button of the first keyfob and wait until it chimes or it turns the locks. Repeat this procedure to program each key fob. The process varies slightly by car manufacturer, so it's best to consult your user manual for specific instructions. Certain car manufacturers restrict you from programming a key fob, without having access to their equipment. Others, such as Mercedes, require that you visit a dealer to get a key fob reprogrammed. This approach has the disadvantage of requiring the use of dealer-specific tools, and it is generally expensive. If you're looking to cut costs, try using a programer that is compatible with the vehicle you own. Check the owner's manual or an expert locksmith for information regarding how to use the program and what steps to follow. If you follow these instructions, the EEPROM programming procedure will be fairly easy for the majority of automobile brands. You'll require a new car key with a transponder to program the new chip. These are available in a variety of hardware and auto parts stores. You will be required 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 depending on the manufacturer. Some vehicles will need to be equipped with a security code, which you can get from your vehicle's owner manual or on the internet. Transponder chip The transponder chip is an incredibly small microchip that contains a unique code. When it is inserted into the ignition the transponder chip transmits a radio signal to the immobilizer system of the vehicle. The computer of the car decodes the signal and determines if it matches a valid key. If the signal is not the identical the computer will shut off the ignition, preventing the car from beginning. This makes it more difficult for thieves steal a car. This security feature is included in most modern cars. Like all electronic devices, the transponder chip may malfunction or fail. This can be extremely frustrating as it means your car isn't going to start. There are a few basic ways to fix the problem. The transponder chip's battery could be replaced to fix the issue. This is a simple procedure which will allow the capability of your vehicle to start. A more expensive option is to replace the actual transponder chip. If you decide to do this it is essential to find an experienced locksmith in this field. You can purchase a new key that has the transponder chip in most auto parts stores, or the dealership. You'll need to have the key programmed for your vehicle. This can be difficult because every car manufacturer has their own anti-theft system, so there is no one-size-fits-all solution to this issue. If you have a spare key that is already programmed to your car it is possible to use it to reprogram the key that was lost. This will make sure that only you can start your vehicle and secure it from thieves. However, it is important to keep in mind that a car with a transponder chip will not work with a standard key and will only start with the original. It is essential to keep at minimum two keys in working order. EZ Installer The EZ Installer allows customers to replace their car keys without having to go to the dealer. This saves time and money. It connects directly to the vehicle's OBD port and then connects the new remote or key with the existing one. It is compatible with most modern vehicles, including those equipped with proximity and push button start. The device is available online or at the local hardware store. The kit also comes with the keyblade which can be cut by an expert locksmith, a hardware store or dealership. The kit comes with directions and a prepaid return shipping label. It's compatible with majority of Ford and Lincoln models. However, it does not work with all models. If you're not sure whether it's compatible for your specific model, check Tom's website for the most current compatibility information. Contrary to conventional programming equipment 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. automotive key programming G28CarKeys can be purchased at a fraction of the cost of typical token costs. The EZ Installer, a simple plug-and-play OBD device allows you to connect an additional remote or key to your vehicle in just a few minutes using an app on your smartphone. It's available for many different vehicles, trucks and SUVs and is easy to use. Download the app, connect the EZ Installer to your vehicle's OBD and follow the instructions. The EZ installer is linked 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 electronic and security features. Modern car keys, unlike earlier keys with mechanical parts, are entirely digital and need to be programmed by an automotive locksmith or dealership. This involves inserting the spare key into the ignition, and manipulating the key until the car enters the programming mode. Each car manufacturer has a distinct reprogramming procedure. It's important to check the owner's guide for your particular model. Dealers can provide you with the software needed to program specific models. In these instances the best choice is to call a locksmith, since they can supply you with the tools needed and assist you in saving money. A professional will make sure that the new key has been properly programmed and that the functions are functioning. To reprogram your car key, you will require a spare key that works as well as a dremel instrument and a few tools to access the electronic control 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 process is very simple. You must first open and close the door to the driver, except the one on the driver side. Insert the key in the ignition and switch the key to “On without starting the car. Repeat this process a specific number of times within a short time frame which is dependent on the car. When the process is completed, the car will enter programming mode, and this is typically accompanied by a chime that sounds or the locks cycling. Press the lock button on the newly programmed key fob after the ECU has entered programming mode. Then, you must quickly switch to the other working key. Do not delay between steps or your car may erase all other key fobs and will have to start the process over again. You can also try reprogramming a car key that has already been programmed by another person however, you'll have to be patient and cautious.