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How to Go About Programming a Car Key The programming of your car keys is a vital procedure to secure your vehicle from theft. Some manufacturers offer the option of programming your keys by yourself, but it is recommended to leave this to a professional locksmith. First, you need to purchase a blank key with the right chip for your car. They are available at most hardware and auto stores. Keyless entry system The keyless entry system is an excellent option to keep your vehicle secure from theft. The system works by sending an electronic signal that activates a receiver in your vehicle when you place your key in the ignition. The receiver emits an alert to unlock the door of your car. The system is easy to use and convenient. You can even create multiple keys to work at the same time This is a fantastic option for those who share vehicles with family members or coworkers. To program your new remote, ensure that the vehicle is off and that all doors are closed. Press the lock button on the first keyfob, and wait until it chimes or the lock is turned off. Repeat this process to program each key fob. The procedure varies slightly based on the car's manufacturer. Refer to your user's manual for specific instructions. Certain car makers restrict you from programming a key fob, without having access to their equipment. Some manufacturers, like Mercedes have you visit a dealer to program the keyfob. This method is costly and requires dealer-specific tools. If you're looking for ways to save money you can try using a programmer that is compatible with the car you own. Consult the owner's manual, or a locksmith for more details on how to use a programmer. If you follow these guidelines then the EEPROM programming procedure is relatively easy for most automobile brands. To program a new car key chip, you'll need a blank key with the appropriate transponder. They are available at a variety of hardware and auto stores. You'll need to connect your ECU (electronic controller unit) to the blank key once you have purchased 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 of certain vehicles in the manual of your vehicle or online. Transponder chip The transponder chip is a tiny microchip with an unique code. When inserted into the ignition, it relays a radio signal to car's immobilizer system. The car's computer then deciphers the signal and determines if it matches a valid key. If the signal does not match, the car's computer will disable the ignition and stop it from starting. This feature makes it much more difficult for thieves to rob a vehicle. The majority of modern cars are equipped with this security device. However, just like any electronic device, the transponder chip can occasionally malfunction or fail. This can be extremely frustrating as it means that your car isn't going to start. There are a few basic solutions you can use to resolve the issue. One solution to the issue is to replace the battery inside the transponder chip. This is a simple process which will allow the capability for your vehicle to start. Another option is to replace the transponder chip, which can be a more costly option. If you decide to do this it is important to choose an experienced locksmith who has experience in this area. You can purchase a new key that is equipped with a transponder in any auto parts shop or even a dealership. However, you'll have to program it to the specific vehicle you own. It's difficult to figure out a solution since each car manufacturer has their own anti-theft system. If you have an additional key that is already programmed to your vehicle it is possible to reprogram it to replace the one you lost. This will ensure that only you can start your car and secure it from thieves. However, it is essential to remember that a vehicle equipped with a transponder chip will not work with a standard key, and can only be started using the original. Therefore, it is crucial to always have at least two functioning keys on hand. EZ Installer The EZ Installer allows users to change 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 with a new remote fob or key with the key that is already in use. It is compatible with the majority of modern vehicles, including those with proximity and push button start. The device is available online or in a local hardware store. The kit also includes the keyblade which can be cut by an expert locksmith, a hardware shop or dealership. The kit comes with instructions and an unpaid return shipping label. It works with most Ford and Lincoln models, but it does not work with all brands and models. If you're not certain if it will work for your specific model, visit Tom's website for the most current compatibility information. Contrary to conventional equipment for programming unlike traditional programming equipment, the EZ Installer Pro does not charge per-key “token” fees which makes it much more affordable 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 is a simple, plug and play OBD device that allows you to connect a brand new remote or key to your vehicle in just a few minutes with an app on your phone. It's available for many different vehicles and trucks as well as SUVs. Just download the app, connect the EZ Installer to your vehicle's OBD port and follow the step-by-step instructions. The EZ Installer is linked to the vehicle's VIN upon first use and can't be used to program another vehicle. It is backed by a full money-back guarantee from Car Keys Express. EEPROM The EEPROM is the primary chip that controls the car's electronic and security features. Unlike older car keys, which have mechanical parts, modern keys are entirely electronic and must be programmed by an auto locksmith or dealer. This involves inserting the spare key into the ignition, and manipulating the keys until the car enters programming mode. The process of reprogramming is different for each manufacturer of cars. It's important to check the owner's guide for the model you own. Some models require special software to program the key which is available from a dealer. In these instances, calling locksmiths is the best choice, since they will supply you with the necessary tools, and can assist you in saving money. A professional can also make sure that your new key is programmed properly and that all functions function. To reprogram your car key, you'll require a spare key that works and a dremel tool and a few tools to access the electronic control unit (ECU). The ECU is typically located beneath the dashboard, but it is important to read the owner's manual to make sure. The reprogramming procedure is simple. You must first open and close the driver door with the exception of the one on the driver's side. Insert the key in the ignition and turn the key to 'On' without starting the car. Repeat this procedure a certain number of times in a short time frame which is dependent on the car. 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 once the ECU has entered programming mode. You should then swiftly switch to the second working key. reprogram car key should not delay between each step or else the car will erase the other key fobs. You'll have to start again. You may also re-program a car key that was programmed by someone else, but be patient and watchful.