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When Your Lexus Smart Key Fails The Smart Key is an ultra-convenient feature that allows you to lock and unlock your 2021 Lexus IS, open the trunk, and then start it without ever taking it from your pocket. However there comes a point when the battery for the key fob expires. You can, fortunately, replace the battery yourself using a flathead screwdriver and a CR2032 lithium battery (available in most electronic stores or hardware stores). Here's how to do it! Keyless Entry Your Lexus key fob has technology that connects to sensors inside your vehicle to let you lock and unlock your doors or trunk, and also start the ignition push-button. This is a wonderful convenience that makes driving in a Lexus far more enjoyable than it would be with an ordinary car. The key fob could need to be replaced with an additional battery at some point in order to function properly. The good news is that you can extend the life of the battery on your key fob by keeping it at a minimum of three feet away from electrical appliances that produce a magnetic field, including TVs, cell phones, battery chargers, induction cookers, and table lamps. This is because the closer your key fob is these devices, the greater energy it will draw from. Another way to make sure your key fob will last a long time is by using it only for the functions that you need. You can also reduce battery life by reducing how long you hold the buttons. Press the LOCK and UNLOCK buttons at the same time. The electronic indicator for the key will flash four times to indicate your key fob is in battery-saving mode. Press any button on the key fob once the lights stop flashing to restore it in working condition. Visit our service center in Manhasset to find out more about ways to maximize the performance of your Lexus keyfob. Immobilizer System When you insert your key into the ignition, it sends an ID code to a device inside the car. The computer will allow the engine to start if the ID code is similar to a previous one stored in the car. However, if lexus spare key does not match, it triggers an immobilizer, which stops the engine from running. This technology isn't foolproof however, it can be effective even when you lose your keys. In fact, it's possible to “hack” an anti-theft system that uses radio waves. The thief could use an aerial antenna, and then spoof the signal to inform that the car has the key in the ignition. Experts are working on safer methods to avoid this. Some systems include WiFi connectivity as well as undetectable installations, and pin code entry using dashboard buttons. Thatcham Research has developed a system of grading, approval and approval to assist buyers in comparing the various products. If you're concerned about your car's anti-theft system the most straightforward thing to do is to replace the battery, if it's old. A quick look through the owner's manual can assist you in finding the proper replacement. Fuses can also be a cause, so they should be checked frequently. If one blows up, it is possible to replace it. purchased from an auto parts store. Key Blade Your Lexus key is equipped with a metal blade that can be used to open the lock cylinders in your vehicle's ignition as well as doors. The key fob is also equipped with hardware that connects to your vehicle's Smart Access system and push-button to start. While your key fob is designed to last for a lengthy time, constant use and exposure to weather elements could cause it to fail earlier than you think. To help prevent this, we recommend you store your key fob in a safe place away from your vehicle as far as you can, to stop its proximity sensors from continuously connecting and draining battery power. We're here for you to help should the battery inside the key fob you have is dead. We'll help you navigate the process of changing the battery of your key fob and give you tips to avoid the hassle. CLK Supplies, LLC provides high-end Toyota Lexus blank keys. Our Holmdel dealership will help you locate the exact replacement part for your next visit to the store. When you make your purchase at checkout we'll make your new key blade prior to when it's shipped! Digital Key The digital key is one of the most innovative features of an Lexus. It lets you to lock or unlock your car and start the motor by tapping your mobile device. This feature lets you open your windows and the moonroof. However, you must talk to a technician and enable this feature. You can also make use of the digital keys to share access with family and friends, particularly in the event that you're planning to leave your car at home when you travel. To do this, hold down the lock symbol on the key fob and tap the lock icon on the phone. Your Lexus will then display an “Unlock” message. Pressing the lock and unlock button on your key fob at the same time will activate the battery-saving mode when you leave your car. Press the lock button to restart the vehicle. You can also extend the life of your key fob's battery by keeping it out of the three feet of electrical devices that produce magnetic fields. This includes TVs and laptops as well as batteries, cell phones, and even mobile phones. CLK Supplies, LLC in Manhasset provides top quality Toyota Lexus blank keys. They're made from top materials and are backed by a one-year warranty against defects.