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How to Go About Programming a Car Key The programming of your car keys is a vital process to protect your vehicle from thieves. While some manufacturers allow you to reprogram your own keys however, it's best to delegate this task to professional locksmiths. You will need to first purchase a blank car key with the correct vehicle chip. These are available in most auto and hardware stores. Keyless entry system The keyless entry system is an excellent way to keep your car secure from theft. The system works by sending an electronic signal which activates a receiver within your vehicle when you put your keys in the ignition. The receiver transmits an alert to unlock your car's door. programming car key is easy to use and convenient. It is possible to create multiple keys that can be used simultaneously, which is great for those who travel with friends or family members. To program your new remote, ensure that your vehicle is turned off and that all doors are shut. Then you press the lock button on the first key fob, and wait for it to buzz or turn its locks. Repeat this procedure to program each key fob. The procedure varies slightly depending on the car manufacturer, so it is recommended to refer to your user manual for specific instructions. Certain car manufacturers prohibit you from changing the program of your own fobs, without access to the equipment of the manufacturer. Some manufacturers, like Mercedes have you go to the dealership to program the fob. automotive key programming isn't ideal because it requires the use of a dealer's specialized tools, and it is generally expensive. If you're looking to save money you can try using a programmer that is compatible with the car you own. Refer to the owner's manual of your vehicle or an experienced locksmith for details on how to use the program and what steps to follow. If you follow these instructions then the EEPROM programming procedure is relatively easy for most automobile brands. You'll require a new car key with transponder to program the new chip. They are available at a variety of auto and hardware parts stores. You will need to connect your ECU (electronic controller unit) to the blank key once you have purchased it. The ECU can be found in the engine bay, beneath the dashboard, or on the dashboard depending on the manufacturer. You can find the security code for some vehicles in your vehicle's manual or online. Transponder chip The transponder chip is a small microchip with a unique code. When it is inserted into an ignition, it transmits a radio signal to the immobilizer system of the car. The computer in the car analyzes the signal to determine if it matches an ignition key that is valid. If the signal isn't the identical it will turn off the ignition, preventing the car from starting. This makes it more difficult for thieves to rob a vehicle. The majority of modern cars are equipped with this security feature. Like all electronic devices, the transponder chip may fail or malfunction. This is extremely frustrating since it means your car won't start. The good news is that there are some things you can do to fix the problem and get your vehicle back to running. The battery of the transponder chip can be replaced to fix the issue. This is a fairly simple procedure that will allow the engine of your car to start. Another option is to replace the transponder chip itself, which can be more costly. If you decide to replace the chip it is important to choose an experienced locksmith in this field. You can purchase a new key with an electronic transponder at any auto parts store, or even a dealership. However, you'll need to have it programmed for the specific car you have. It's difficult to figure out a solution since every manufacturer has their own anti-theft program. If you have an extra key that has been already programmed into your vehicle, you may be able to reprogram it to replace the one you lost. This will make sure that only you are able to start your vehicle and protect it from thieves. It is crucial to remember that a vehicle with a transponder chip is not compatible with a standard keys and can only be started using the original. car key programming is important to always keep at least two keys in good working order. EZ Installer The EZ Installer makes it easy for consumers to replace keys for modern cars, while not having to go through the hassle and expense of visiting a dealership. The device is connected directly to the vehicle's OBD port, and then pairs the new remote or key with the existing one. It can be used on the majority of modern vehicles, including those with proximity and push button start. The device is available online or at 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 prepaid return shipping label. It's compatible with majority of Ford and Lincoln models. However, it will not work on all models. If you're unsure if it will work with your specific model, visit Tom's website for the most up-to-date compatibility information. Unlike traditional equipment for programming 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 costs less than half of the average token cost. The EZ Installer, a straightforward plug-and-play OBD device allows you to connect an additional remote or key to your vehicle within minutes using an application on your smartphone. It's available for various models of automobiles or trucks, as well as SUVs. Download the app and connect the EZ Installer to your vehicle's OBD port, and follow the step-bystep instructions. The EZ Installer is connected to the vehicle's VIN at the time of first use It cannot be used to program another vehicle. It is backed by a full money-back guarantee from Car Keys Express. EEPROM The EEPROM chip is the main chip controlling the car's electronic and security features. In contrast to older keys, that have mechanical components keys, modern car keys are almost entirely electronic and need to be programmed by an auto locksmith or dealer. 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 process for reprogramming. Therefore, it is important to consult the owner's manual for the specific model you own. Some models require special software to program the key, which can be acquired from a dealer. In these instances, calling locksmiths is the best choice, as they will provide you with all the required tools and assist you in saving money. A professional will also ensure that your new key has been properly programmed and it functions as intended. To reprogram your car's 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 make sure. The reprogramming process is very easy. First, you must open the door to the driver's side and close it, with the exception of the one on the driver's side. Insert the key in the ignition and turn the key to “On without turning the car off. This process must be repeated a certain number of times over the space of a few minutes, which is different for each vehicle. Upon completion, the car will enter programming mode, and this is typically indicated by a chime that sounds or the locks chiming. Press the lock button on the newly programmed key fob when the ECU has entered programming mode. Then, you must quickly switch to the second working key. Don't wait around between steps, or your car may erase all the other key fobs, and have to start the process again. You can also re-program car keys programmed by someone else, but be patient and cautious.