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When Your Lexus Smart Key Fails Smart Key is a convenient feature that allows you lock and unlock your Lexus IS 2021, open the trunk, and then start it, without needing to take it out of your pocket. The battery of the key fob will eventually die. You can replace the battery using an CR2032 Lithium battery (available in most hardware or electronics stores). Learn how to do it here! Keyless Entry Your Lexus key fob comes with a hardware that communicates with sensors in your car to allow you to lock and unlock doors unlock your trunk and turn on your push-button engine. This is an incredible convenience that makes driving with a Lexus far more enjoyable than it would be with an ordinary car. The key fob will need to be replaced with an entirely new battery at some point in order to work correctly. The good news is that you can prolong the life of your key fob's battery by keeping it at least 3 feet away from electrical appliances that generate magnetic fields, such as cellphones, televisions, batteries, induction cookers, battery chargers, and table lamps. This is because the closer your key fob is to these devices, the more power it draws from. Another method to ensure that your key ring lasts for a long time is to use it only for the functions you require. You can also reduce battery life by reducing how you use the buttons. To do this, hold the LOCK button and the UNLOCK button at the same time. The electronic indicator for the key will flash four times to signal that your key fob is in the battery-saving mode. Press any button on the key fob when the lights stop flashing to restore it in good working condition. Visit our service center in Manhasset to learn more about ways to maximize the performance of your Lexus key fob. Immobilizer System When you put your key in the ignition, it sends an ID code to a receiver within the car. If the ID code matches that in its memory, the car's computers allow the engine begin. If the ID code isn't compatible, it triggers an immobilizer that prevents the engine from starting. This technology isn't 100% secure but it works even in the event that you lose your keys. It is possible to “hack” or alter, an anti-theft radio wave system. The thief could use an aerial antenna to spoof the signal to tell the car the key is in the ignition. To avoid this, experts are developing more secure systems. Some systems include WiFi connectivity, undetectable installations and pin code entry via buttons on the dashboard. To assist buyers in choosing the most secure security features, Thatcham Research offers a grade and approval system to make it easier to evaluate products. If you are worried about the security system installed in your vehicle, changing batteries is the simplest thing to do. You can determine the correct replacement by consulting the owner's manual. Fuses are a different cause, so they should be checked frequently. A replacement is available at the auto parts store in case one blows. Key Blade Your Lexus key has a metal blade that can be used to unlock the lock cylinders on the ignition of your vehicle and doors. Your key fob also contains components that allow communication with your car's Smart Access system and push-button to start. Your key fob may be made to last a long time but daily use and exposure to the elements of weather can cause your key to fail sooner than expected. To avoid this it is recommended to keep your key fob away from your vehicle as much as possible to reduce its proximity sensors from continuously connecting and draining battery power. We're here to assist with your battery issues if your key fob is depleted. We'll guide you through the straightforward procedure of replacing the battery as well as provide tips to help you avoid the hassle altogether! CLK Supplies, LLC provides top-quality Toyota Lexus blank keys. Our Holmdel dealership can assist you to locate the exact replacement part on your next visit to the store. When you place your order at checkout, we'll cut your new key blade before it ships! Digital Key One of the most exciting features of the Lexus key is its digital key, which allows you to lock the car, unlock it and even start your engine with one touch on your smartphone. This feature allows you to close your windows or the moonroof. However, first consult a technician to have this feature enabled. You can also utilize the digital key 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, simply hold down the lock symbol located on your key fob, then tap 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 period of time you can turn on battery-saving mode by pressing the unlock and lock buttons on your key fob simultaneously. Press the lock button to reactivate the vehicle. Make sure lexus key shell G28 don't place your key fob within three feet of the appliances that produce magnetic field. This will extend the life of the battery. This includes TVs, laptops cell phones, laptops, and battery chargers. CLK Supplies, LLC in Manhasset offers top-quality Toyota Lexus blank keys. They're made of premium materials and come with a guarantee against defects.