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When Your Lexus Smart Key Fails The Smart Key is an ultra-convenient feature that lets you lock and unlock your 2021 Lexus IS, open the trunk, and then start it without ever removing it from your pocket. However there will come a point when the battery of the key fob is dead. You can replace the battery using an CR2032 Lithium battery (available in a majority of electronics or hardware stores). Here's how! Keyless Entry Your Lexus key fob is armed with a device that communicates with sensors in your vehicle to lock and unlock doors, open your trunk, and then turn on the engine. This is an incredible convenience that makes driving a Lexus an absolute blast than driving a traditional car. However, the key fob will eventually require a battery replacement in order to work properly. The good news is that you can extend the life of the battery in your key fob by making sure it is kept at least three feet away from electrical appliances that produce magnetic fields, including televisions, cell phones, batteries, induction cookers, battery chargers, and table lamps. This is because the closer your key fob is these devices, the more power it uses. Another method to ensure your key fob will last a long time is to use it only for the functions that you require. You can also reduce the use of your battery by reducing the time you press your buttons. To do this, press the LOCK button and the UNLOCK button simultaneously. The electronic indicator for the key will flash four times to show that your key fob is in the battery-saving mode. Press any button on the key fob once the lights stop flashing to get it back in good working condition. To learn more about the ways you can optimize your Lexus key fob for optimal performance Visit our service center close to Manhasset. Immobilizer System When you insert the key into ignition, it sends an identification code to a receiver in the car. The computer will allow the engine to start if the ID code is similar to the previous one that is stored in the car. But if the ID code does not match, it triggers an immobilizer which prevents the engine from starting. This technology is effective even if your keys are stolen however, it's not foolproof. It is possible to “hack” or alter, an anti-theft radio wave system. The thief could employ an aerial antenna to pick up the signal and then spoof it to tell the vehicle that the key is present. Experts are developing more secure methods to avoid this. Some systems include WiFi connectivity with undetectable installations as well as pin code entry via buttons on the dashboard. To help buyers select the most secure security features, Thatcham Research offers a grading and approval system to make it easier to evaluate products. If you're concerned about the anti-theft system that is in your vehicle, changing the battery is the most straightforward task to complete. You can locate the right replacement by consulting the owner's manual. Fuses are another possible cause and should be checked regularly. A replacement can be found at the auto parts store in case one blows. Key Blade Your Lexus key has a metallic emergency key blade which will open the lock cylinders of the doors of your vehicle and also the ignition. The key fob also houses hardware that connects to your car's Smart Access system and push-button start. Although your key fob is designed to last for a lengthy time, daily use and exposure to weather elements can cause it to break sooner than you might expect. To prevent this from happening, store your keyfob as far away from your vehicle as you can. This will help reduce the battery loss due to its proximity sensors. We're here to help you should the battery inside your key fob is depleted. We'll guide you through the straightforward replacement procedure and provide some tips to help you avoid the hassle! lexus key , LLC offers high-end Toyota Lexus key blanks. You can find the exact replacement you need during your next shopping trip to our Holmdel dealership. If you purchase during checkout we'll make your new key blade prior to when it's shipped! Digital Key One of the most exciting features of the Lexus key is its digital key, which allows you to lock and unlock your car and start the engine at the a touch of a button on your mobile device. You can also roll down the windows or moonroof with this feature. First, you must speak to a technician in order to activate this feature. You can also share the digital key with family or friends, particularly in the event that your car will be away during your travels. To do this, press and hold the lock symbol on your key fob while tapping the lock icon on your phone. Your Lexus will then display an “Unlock” message. Pressing the lock and unlock button on your key fob simultaneously will activate the battery-saving mode in the event that you are leaving your vehicle. Then press the lock button again to activate your vehicle. Avoid placing your key fob within three feet of the appliances that produce magnetic field. This will extend the battery's life. This includes TVs and laptops as well as batteries, cell phones and even mobile phones. CLK Supplies, LLC in Manhasset offers top quality Toyota Lexus blank keys. They're made of top quality materials and offer a warranty against any defects.