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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 taking it from your pocket. The battery in the key fob will eventually go out. You can replace the battery with the CR2032 lithium battery (available in a majority of hardware or electronics stores). Learn how to do it here! Keyless Entry Your Lexus key fob is equipped with hardware that communicates with sensors in your vehicle to unlock and lock doors unlock your trunk and turn on your push-button engine. This is a wonderful convenience that makes driving with a Lexus an absolute blast than it would be with an ordinary car. The key fob will eventually require an upgrade in battery to perform as it should. You can prolong the battery life of your key fob by keeping it far from magnetic appliances such as TVs mobile phones, TVs chargers induction cooktops and table lamps. The closer your key fob is to these devices, the more power they'll consume. Another way to ensure that your key ring lasts for a long time is to use it only for the functions that you need. You can also save your battery by decreasing the amount of time you press your buttons. To do this, hold the LOCK button and the UNLOCK button simultaneously. The electronic indicator for the key will flash four times, signalling that your key fob has entered battery-saving mode. When the lights cease to flash, you can press any button on your key fob to get it working again. Visit our service center in Manhasset to find out more about how to enhance the performance of your Lexus keyfob. Immobilizer System When you insert the key into ignition, it sends an ID code to a receiver inside the car. The computer will allow the engine to start in the event that the ID code matches an earlier one stored in the car. If the ID code does not match, it triggers an immobilizer that prevents the engine from running. The technology isn't completely foolproof but it works even when you lose your keys. It is possible to “hack” an anti-theft device that relies on radio waves. Thieves can make use of an aerial antenna and alter the signal to inform that the car has the key in the ignition. To circumvent this, experts are developing more secure systems. Some offer WiFi connectivity as well as undetectable installation, and pin code entry through buttons on the dashboard. Thatcham Research has developed a system of grading and approbation to allow buyers to compare products. If you are worried about the anti-theft device in your vehicle, changing the battery is the simplest thing to do. You can determine the correct replacement by consulting the owner's manual. Fuses could also be a problem so it is important to examine them regularly. If one of them blows, an alternative can be purchased from an auto parts store. Key Blade Your Lexus key is equipped with a steel emergency key blade that will unlock the lock cylinders of your vehicle's doors as well as the ignition. Your key fob has hardware that connects to the Smart Access system of your vehicle and a button for starting. While your key fob is made to last for a long time, daily use and exposure to weather elements can cause it to break sooner than you'd expect. To prevent this from happening we recommend that you store your key fob away from your vehicle as far as you can in order to limit its proximity sensors from constantly connecting and consuming battery power. If the battery of your key fob has run out, we're here to help. We'll walk you through the process of changing the battery of your key fob and even give you some ways to avoid the hassle. CLK Supplies, LLC offers top quality Toyota Lexus key blanks. Our Holmdel dealership will help you locate the exact replacement part for your next visit to the store. We'll cut the new key blade for you prior to it ships when you order during checkout! Digital Key One of the most exciting features of a Lexus key is its digital key, which lets you to lock and unlock your vehicle and even start the engine with a a touch of a button on your mobile device. You can also roll down the windows and open the roof with this feature. You must first speak to the technician to activate this feature. You can also share your digital key with your family or friends, especially if your car will be in the garage during your travels. To do this, press the lock symbol located on the key fob and tap the lock icon on your phone. Your Lexus will display the message “Unlock”. If lexus key fob replacement cost leaving your car for a 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 extend the life of your key fob battery by not placing it within three feet of electrical appliances that produce magnetic fields. This includes TVs, laptops mobile phones, laptops, and battery chargers. CLK Supplies, LLC in Manhasset offers top-quality Toyota Lexus blank keys. These key blanks are constructed of premium materials and are backed by a manufacturer's warranty.