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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 begin it without ever removing it from your pocket. However there comes a point when the battery of the key fob dies. Luckily, lexus car keys can swap the battery yourself using an flathead screwdriver and CR2032 lithium battery (available in most electronics stores or hardware stores). Here's how to do it! Keyless Entry Your Lexus key fob contains technology that connects to sensors inside your vehicle to let you lock and unlock your doors and trunk, as well as open it and turn on the ignition with a push button. This incredible convenience makes driving a Lexus more enjoyable than driving the typical vehicle. However, the key fob may eventually require an upgrade to its battery in order to perform as it should. You can prolong the life of your keyfob by keeping it out from appliances that are magnetic, such as TVs, mobile phones, battery chargers as well as induction cooktops and table lamps. This is because the closer your key fob is to these devices, the more power it uses. The other way to make sure your key fob lasts a long time is by using it only for the functions you require. You can also reduce the use of your battery by reducing the time you press your buttons. Hold the LOCK and UNLOCK buttons simultaneously. The electronic key indicator will blink four times to indicate your key fob is in battery-saving mode. When the lights stop flashing then you can press any button on your key fob to make it work again. Visit our service center in Manhasset to find out more about ways to maximize 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 inside the car. If the ID code is identical to one in its memory, the car's computers allow the engine begin. If the ID code doesn't match, an immobilizer will be activated to stop the car from beginning. This technology is not foolproof however it does work even if you lose your keys. In fact, it's possible to “hack” an anti-theft system that uses radio waves. A thief could use an aerial antenna to detect the signal and then spoof it to inform the car that the key is in. Experts are working on safer methods to thwart this. Some systems offer WiFi connectivity with undetectable installations as well as pin code entry via buttons on the dashboard. Thatcham Research has developed a system of grading and approval to allow buyers to compare products. If you're worried about your car's anti-theft system the best thing you can do is to replace the battery, if old. You can find the correct replacement by checking the owner's guide. Fuses are also a concern, so you should examine them regularly. Replacement parts are available at the auto parts store if one blows. Key Blade Your Lexus key has an aluminum blade that can be used to open the lock cylinders on the ignition of your vehicle and doors. The key fob also has components that allow communication with your vehicle's Smart Access system and push-button start. Your key fob could be designed to last for many years, but constant use and exposure to the elements of the weather could cause your key to malfunction earlier than you anticipated. To prevent this from happening, store your keyfob as far away from your car as is possible. This will reduce the battery drain due to its proximity sensors. If the battery of your key fob does run out We're here to assist. We'll walk you through the replacement procedure and provide ways to avoid the hassle altogether! CLK Supplies, LLC offers the highest quality Toyota Lexus key blanks. You can locate the exact replacement you need on your next visit to our Holmdel dealership. When you order during checkout we'll make your new key blade prior to when it's delivered! Digital Key One of the most exciting features of a Lexus key is its digital key, which lets you to lock or unlock your car and start the engine with a touch of a button on your smartphone. You can even open the windows or open the moonroof using this feature. First, you must speak to the technician to have this feature activated. You can also use the digital key to share access with your family and friends, particularly when you plan to leave your car at home as you travel. To do this, hold down the lock symbol on your key fob, then tap 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 car. Then press the lock button a second time to activate your vehicle. Avoid placing your key fob within three feet of any appliances that generate magnetic fields. This will extend the battery's life. This includes laptops, TVs mobile phones, laptops, and battery chargers. If you're in search of an alternative battery for your key fob or other automotive components Contact CLK Supplies, LLC near Manhasset for the highest quality Toyota Lexus key blanks. These key blanks are made of high-quality materials and come with a guarantee.