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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 of the key fob will eventually fail. You can replace the battery using the CR2032 Lithium batteries (available in most electronic or hardware stores). Here's how! Keyless Entry Your Lexus key fob is armed with a chip that connects to sensors in your vehicle to lock and unlock doors, open your trunk, and then turn on the engine. This incredible convenience makes driving with a Lexus more enjoyable than driving any other vehicle. The key fob is going to eventually require a battery replacement in order to work properly. You can extend the life of your battery keyfob by keeping it away from magnetic devices like 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 uses. Another way to ensure that your key fob lasts a long time is by using it only for the functions that you require. It is also possible to save your battery by cutting down on the time you press your buttons. To do this, hold the LOCK button and the UNLOCK button at the same time. The electronic key indicator will blink four times to indicate your key fob is in battery-saving mode. Press any button on the key fob when the lights stop flashing to restore it in good working order. Visit our service center in Manhasset to learn more about how to optimize the performance of your Lexus key fob. Immobilizer System When you put the key in 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 is similar to the one previously stored in the car. If the ID code doesn't match, an immobilizer will be triggered that prevents the car from getting started. This technology can be used even if your keys get stolen but it's not foolproof. It is possible to “hack” or alter the radio wave anti-theft system. A thief can use an aerial antenna and alter the signal to tell the car the key is in the ignition. To avoid this experts are developing more secure systems. Some systems offer WiFi connectivity un-detectable installations, as well as pin code entry using buttons on the dashboard. Thatcham Research has developed a method of grading and approval for buyers to evaluate the various products. If you are concerned about the anti-theft system in your vehicle, changing the battery is the easiest task to complete. A quick review of the owner's manual will assist you in finding the proper replacement. Fuses are a different cause, so they should be checked regularly. If one fails, an alternative can be located at an auto parts store. Key Blade Your Lexus key comes with a metal emergency key blade that can open the lock cylinders on the doors of your vehicle and also the ignition. Your key fob comes with hardware for communication with the Smart Access system of your vehicle, and also a button to start your car. The key fob might be designed to last for many years, but constant use and exposure of weather elements can cause your key to fail sooner than you expected. To prevent this from happening, we recommend you store your key fob in a safe place away from your vehicle as much as you can in order to limit its proximity sensors from constantly connecting and draining battery power. We're here to assist if the battery in your key fob runs out. lexus car key replacement The Key Lab 'll help you navigate the process of changing the battery of your key fob and even give you some tips to avoid the hassle. CLK Supplies, LLC provides top quality Toyota Lexus blank keys. Our Holmdel dealership can assist you to locate the exact replacement part during your next shopping visit. We'll cut the new key blade for you before it is shipped when you place your order during the checkout process! 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 at the a touch of a button on your smartphone. You can even open the windows or moonroof with this feature. However, you must talk to a technician and enable this feature. You can also utilize the digital key to share access with family and friends, especially when you plan to leave your car at home when you travel. To do this, simply hold down the lock symbol on your key fob and tap the lock icon on your phone. Your Lexus will then display an “Unlock” message. By pressing the lock and unlock buttons on your key fob at the same time will enable the battery-saving mode when you leave your car. Press the lock button to reactivate the vehicle. Make sure you don't place your key fob within three feet of appliances that generate magnetic fields. This will extend the life of the battery. This includes laptops and TVs as well as cell phones, battery chargers and even mobile phones. If you're looking for a replacement key fob battery or other automotive components Contact CLK Supplies, LLC near Manhasset for the highest quality Toyota Lexus key blanks. The key blanks are made from top quality materials and come with a warranty.