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Toyota Keys and Transponder Keys Toyotas used to use traditional keys made of steel to unlock doors and start the engine. However, times have changed and today, many vehicles make use of key fobs to accomplish the job. It's important to know the different types of key fobs available and how they work if you own a Toyota. Transponder Keys Transponder keys are the most commonly used type of car key. They make use of a microchip that allows them to connect with the vehicle's computer system and transmit a unique security code. They are designed to resist unauthorized entry, which is also the reason they are difficult to copy. They're also more expensive than regular keys. Here's a brief explanation of how they function. Transponder keys typically include a plastic piece to house the microchip. The chip is similar to a regular key, but it's a bit larger than a traditional key due to having to hold the microchip. The plastic part is visible when you take a close look at the key's base. The chip sends an immobilizer code to the onboard computer of the vehicle. If the codes match the engine will begin to run. If the codes don't match, the computer onboard will stop the vehicle from starting, making it almost impossible for thieves to hot wire the vehicle. While this technology isn't foolproof but it makes it harder for thieves to rob cars. This is especially beneficial for those who don't want to accidentally lock the keys to their car. There are ways to circumvent this security feature. Regardless of what type of key you have it is important to be aware of the possible dangers that come with them. If you are worried about someone stealing your car and you want to make the necessary changes to an interlocking key or proximity key. These keys are more expensive and require professional programming. They're also more secure, but can be more costly. These keys are not compatible with all vehicles so it is recommended to speak with a professional locksmith before purchasing one. Additionally, you'll have to give the locksmith the information about your vehicle including the make and model. This will help them identify the correct key and program it to your specifications. Key Fobs A key fob is a small device that opens your car doors, trunk and starts the engine. It also contains an emergency button that can be used to connect with the emergency response system of your vehicle in case of an accident or a danger. In contrast to physical keys made of metal, key fobs use radio frequency technology to communicate with your vehicle. A receiver installed on the dashboard of your Toyota receives signals transmitted by the key fob and decodes them in order to unlock doors or start the car. A rolling code is generated each when you push the fob's button, making it very difficult to clone or replicate the signals. The rolling codes also prevent hacking, as the code sequence is always changing and cannot be recorded and replayed. The key fobs of most newer Toyotas include the “find-my-car” feature. The fob will notify your car when you are within range of the fob, allowing you to locate your car even when you've lost it. This is helpful when you're trying to locate your car in a crowded parking lot or street. Many drivers would like to have a second key fob in case of an emergency backup in case one is lost or accidentally damaged. If you're looking to purchase a replacement for your vehicle, our parts department can help identify the correct fob for your specific Toyota and purchase it for you. We can also walk you through the steps of syncing the new fob with your vehicle. The fobs are made to be durable but they will eventually wear out. This could be due to extreme temperatures, frequent drops or other environmental factors. It might be time to replace your key fob if observe obvious indications of wear. A dead battery is the most frequent reason for keys not working. A new battery can be bought at a majority of Lakeland hardware stores or major retailers. It will cost you $10 or less and only take a few minutes to install. You can also follow the directions in your owner's manual, or YouTube videos to assist you in this process. Smart Keys Keys Toyota customers love the convenience of a smart key. This system takes keyless technology one step further by allowing you to start and shut down your car from anywhere. Smart keys utilize RFID, also known as radio-frequency identification to communicate with your Toyota's built-in antennas. When you place your key fob in the range of the antenna, it sends an encrypted rolling code that is verified and recognized by the computer in your vehicle. This prevents unauthorized users from opening the trunk and doors of your car without permission. You can unlock your Toyota by using this smart key by placing it close to the driver's or front passenger's door handle. The smart key will send a signal to activate the courtesy or puddle lights, if they are equipped with them, and also the keyless entry system. Afterward, you can use the button on your smart key to start your car and then drive away from the parking lot. Some smart key systems allow you to lock your Toyota by just touching the door handle. In this scenario, the car will shut your trunk and doors when it detects the smart key. You can then use a different button to remotely close the trunk and doors. Some models allow you to press the lock button when your Toyota is in Park to disable the lights for puddles or the courtesy lamps making it harder for thieves to take your vehicle. Certain smart keys also save your settings for driver profile including seat position, climate control and more. Each time you get into your car it will automatically alter your settings. This feature is great when you have several drivers in your Toyota, and want to ensure everyone is comfortable. It is important to remember that a smart key of this type can be compromised. It is still vital to keep the battery of your key fob and upgrade the key fob when it is required. Our team here at Earnhardt Toyota can help you choose the best smart key for your needs. Lost Keys The loss of keys is one of the most stressful situations. It's common to forget where you've put your keys, particularly when you're in a rush or distracted. This can create anxiety when you're in a hurry and have to get somewhere and your keys aren't there. There are some steps you can take to avoid losing your keys and ruining your day. The idea of having a spare key on hand is the best way to prevent a lost key from becoming a huge problem. It's a good idea keep the key in a safe location so that you can locate it when you need it, and this is usually most effective if it's a bright color or has some sort of distinctive marking that makes it stand out. You could also opt for a bluetooth tracker such as the Toyota Key Finder that can be linked to your smartphone to alert you when you need it. If you own an intelligent key there are apps you can download that will help you locate it using the GPS in your phone. This is a handy device to have if are the type of person who frequently loses their keys, but it's not a perfect solution since it can only function if your phone is powered on and is within range. If you have a regular key, you can typically replace it quickly by a professional locksmith or dealership. They will require some details about your vehicle, including the model and make as well as identification documents to prove ownership. replace toyota key fob may have to take additional steps to replace a transponder lock. For example, you may have to flash the engine control system, which involves replacing the existing database with new information. This can be done by a qualified dealer or certified locksmith.