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How to Replace a Lexus Key Fob That Won't Turn On Or Work Correctly It can be very frustrating when your key fob will not work or it won't turn on. There are a few simple steps that you can follow to solve the issue. The first step is to take the emergency key made of steel from the key fob. Use the flat edge of a key made from metal to press the cover and turn it to open. Keyless Entry System Keyless entry systems are an excellent benefit for any car owner. You can unlock your car as you touch the handle or get out of the door for the passenger. Some even turn on lights as you approach or open the trunk, if you have it loaded with groceries, or turn on 10 other electronic devices depending on the proximity of your vehicle. The key fob transmits radio-frequency signals to the receiver in the car. The receiver will then send back a response code to the vehicle. The signal is only effective if the keyfob is within a specific range, which is typically 50 feet or less. Some of these systems are one-way, which means the key fob will lock or unlock the vehicle, but it can't start the engine. It is recommended to have your keyless entry system installed by a professional, regardless of the type. A good automotive locksmith will make sure the connection is solid and secure, as well as stripping a tiny portion of each wire in order to connect it. The manual will explain which wires you need to use. A keyless remote entry can also lock the doors if you walk away. This is helpful if you aren't organized or have a tendency to leave the car locked for too long. Transponder Keys Transponder keys (or transponder chips) are an important feature of modern automobiles. They are embedded in the head of a key or fob and have a unique code that is connected to your vehicle's immobilizer system. The antenna ring at the top of the ignition sends signals to the transponder chip whenever the key is inserted and switched ON. The chip then sends an answer back to the antenna ring, which matches your car's code. Transponder chips prevent theft because the key must be correctly inserted with the correct code to turn your car on. The keys are also much harder to duplicate, which makes it less likely for someone to steal your vehicle. A reputable locksmith can produce transponder keys that are programed to match the car you own at only a fraction of the price that you would spend at a car dealer. They can also assist you to figure out what type of key you own and how to program it for your vehicle. They might also be able offer you a replacement for your lost or stolen transponder key. They can also help with reprogramming the chip in case it is not working. Duplicate Keys The majority of people have lost keys at least once in their lives regardless of whether it was their keys to their car or house keys. When lexus key fob replacement www.thekeylab.co.uk occurs, it's uncomfortable and frustrating to find yourself locked out of your vehicle or home. To avoid this problem it's crucial to keep duplicate keys in your possession. These duplicates are able to be used to open your lock and help get inside if you're ever in a pinch. Most duplicate keys come with an “do duplicate” message stamped or engraved on them. This is a way to let people that it's not legal to copy the key unless you are the owner of it. These types of keys are often used for padlocks, deadbolts, and other door locks. They also provide a great way to keep the track of which keys belong to which customer. Many people think that the “do duplicate” message on a keyboard is a way to make it more secure. This isn't the case. The message engraved on the key is merely a warning and does not carry any legal weight. However, it might dissuade some people from trying to duplicate their keys. Many chain hardware stores not cut keys, however locksmiths are able to duplicate them. They can be cut on a blank that resembles like the original to ensure the accuracy. Battery Replacement If your Lexus keyfob is not working it may need be reprogrammed to ensure that it is compatible with the immobilizer system of the vehicle. You'll need to visit the dealer or a locksmith who is qualified to reprogram the ECU. In general, locksmiths will cost more than a dealership, however they'll also save you the hassle of having to tow your vehicle there. In addition to the ECU, it is possible that your battery needs to be replaced. You'll have to replace your old battery with one that matches the specifications of your vehicle. This includes the physical dimensions, terminal configuration, and cold cranking amps (or amp-hour ratings). The wrong battery installation can cause serious damage to your engine as well as other components. Examine the warranty prior purchase a brand new battery to see if the cost is covered. It is also important to determine whether you need an insurance policy in the event that the battery fails within the warranty's time. Additionally, you must be aware that auto locksmiths often don't carry the tools required to code keys, and you'll have to have a dealer or online key programmer come and program the key for you. It's also important to let them know the type of key (chip or intelligent, or remote “push-to-start”) as well as the year your car was, and the VIN should you be able to.