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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 begin it without ever removing it from your pocket. The battery for the key fob will eventually die. Luckily, you can change the battery on your own with the flathead screwdriver along with a lithium battery CR2032 (available in most hardware stores or electronics stores). Find out how to do it here! Keyless Entry Your Lexus key fob is equipped with hardware that connects with the sensors in your vehicle. This lets you lock and unlock your doors and trunk, as well as open it and then start the ignition by pressing a button. This remarkable convenience makes driving the Lexus more enjoyable than driving the typical vehicle. However, the key fob is going to eventually require an upgrade to its battery in order to function properly. You can prolong the life of your battery key fob by keeping it far from appliances that are magnetic, such as TVs mobile phones, televisions, battery chargers as well as induction cooktops and table lamps. This is because the closer your key fob is to these devices, the greater power it draws from. You can also extend the life of your key fob by only using it only for the functions you require. You can also reduce battery life by reducing how you press the buttons. To do this, hold the LOCK button and the UNLOCK button simultaneously. The electronic key indicator will flash four times, which indicates that your key fob is operating in battery-saver mode. Press any button on the key fob once the lights stop flashing to restore it in good working condition. Visit our service center in Manhasset to learn more about ways to optimize the performance of your Lexus key fob. Immobilizer System When you insert the key into the ignition it transmits an identification code to a receiver in the car. The computer will allow the engine to start if the ID code matches an earlier one stored in the car. If the ID code does not match, an immobilizer will be activated, which stops the car from beginning. This technology isn't 100% secure however, it can be effective even in the event that you lose your keys. In fact, it's possible to “hack” an anti-theft system using radio waves. The thief could use an aerial antenna and spoof the signal to tell the car the key is in the ignition. To get around this, experts are working on safer systems. Some of them offer WiFi connectivity un-detectable installation and pin code entry via dashboard buttons. To assist buyers in choosing the most secure security features, Thatcham Research offers a grading and approval system to help you evaluate products. If you're worried about your car's anti-theft system, the simplest thing to do is to replace the battery, if it's old. A quick glance through the owner's manual will assist you in finding the proper replacement. Fuses are a different cause and should be checked regularly. A replacement is available at the auto parts store if one fails. Key Blade Your Lexus key has a metallic emergency key blade that will open the lock cylinders in your vehicle's doors as well as the ignition. The key fob is equipped with hardware that connects to the Smart Access system of your vehicle and a button for starting. Your key fob could be made to last an extended period of time, but regular usage and exposure to weather elements can make your key fail sooner than you expected. To prevent this, store your key fob as far from your car as possible. lexus key replacement will help reduce the battery loss caused by its proximity sensors. We're here to assist if the battery in your key fob goes out. We'll walk you through the procedure of replacing your key fob's battery and provide ways to avoid the hassle. CLK Supplies, LLC offers high-end Toyota Lexus key blanks. You can find the exact replacement you need on your next visit to our Holmdel dealership. We'll cut the new key blade for you before it's delivered when you purchase during the checkout process! Digital Key One of the coolest features of a Lexus key is its digital key, which lets you to lock the car, unlock it and start the engine at the a touch of a button on your mobile device. You can even open the windows and open the roof with this feature. However, first consult a technician to enable this feature. You can also share the digital key with family or friends, especially in the event that your car will be away during your travels. To do this, hold and press the lock symbol on your key fob while tapping the lock icon on your phone. Your Lexus will display the message “Unlock”. If you're going to be away from your vehicle for a long time, you can activate battery-saving mode by pressing the lock and unlock buttons on your key fob simultaneously. Press the lock button to unlock the vehicle. You can also prolong the life of the battery in your key fob by making sure you don't place it within three feet of electrical devices that generate magnetic fields. This includes laptops and TVs as well as cell phones, battery chargers, and even mobile phones. CLK Supplies, LLC in Manhasset provides top quality Toyota Lexus blank keys. These key blanks are constructed of high-quality materials and come with a lifetime warranty.