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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 taking it from your pocket. The key fob battery will eventually degrade. You can replace the battery with the CR2032 lithium battery (available in most electronic or hardware stores). Here's how to do it! Keyless Entry Your Lexus key fob is fitted with a hardware that communicates with sensors in your vehicle to unlock and lock doors as well as open your trunk and turn on your push-button engine. This is a wonderful convenience that makes driving with a Lexus significantly more enjoyable than it would be in the traditional car. The key fob will eventually require a battery replacement in order to function properly. You can extend the life of your battery keyfob by keeping it out from magnetic appliances such as TVs mobile phones, televisions, battery chargers as well as induction cooktops and table lamps. The closer your key fob is to these appliances, the more power they'll consume. Another way to ensure that your key ring lasts for a long time is by using it only for the functions you require. You can also save battery life by reducing the long 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 indicate that your key fob has entered battery-saving mode. Once the lights cease to flash, you can press any button on your key fob to start it working again. Visit our service center in Manhasset to learn more about ways to improve the performance of your Lexus key fob. Immobilizer System When you put your key in the ignition, it transmits an ID code to the receiver inside the car. If the ID code matches one in its memory, the car's computer will let the engine begin. But if the ID code doesn't match, it triggers an immobilizer that prevents the engine from running. This technology works even if your keys are stolen However, it's not 100% secure. It is possible to “hack” an anti-theft device that relies on radio waves. Thieves can make use of an aerial antenna and spoof the signal to inform that the car has the key in the ignition. To circumvent this, experts are developing more secure systems. Some systems offer WiFi connectivity as well as undetectable installations, and pin code entry via buttons on the dashboard. Thatcham Research has developed a method of grading and approval to help buyers compare the various products. If you're worried about the anti-theft feature of your car the best thing you can do is to replace the battery if it's old. A quick review of the owner's manual can assist you in finding the proper replacement. Fuses can also be a problem and you must examine them regularly. If lost lexus key fob blows up, it is possible to replace it. located at an auto parts store. Key Blade Your Lexus key is equipped with a metal blade that can be used to open the cylinders of lock on the ignition of your vehicle and doors. The key fob is also equipped with components that allow communication with your car's Smart Access system and push-button start. While your key fob was made to last for a long duration, regular use and exposure to weather elements could cause it to fail sooner than you would expect. To prevent this, store your keyfob as far away from your vehicle as you can. This will reduce the battery drain due to its proximity sensors. We're here for you to help with your battery issues if your key fob is depleted. We'll guide you through the procedure of replacing the battery in your key fob and provide tips to help avoid the hassle. CLK Supplies, LLC offers the highest quality Toyota Lexus key blanks. Our Holmdel dealership can help you locate the exact replacement part for your next shopping trip. We'll cut the new key blade for you prior to it's delivered when you purchase during the checkout process! Digital Key The digital key is among the coolest features available on an Lexus. It lets you to lock or unlock your vehicle and also start the motor with just a tap of your mobile device. You can even roll down the windows or moonroof with this feature. However, you must speak with a technician to enable this feature. 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 while you travel. To do this, hold and press the lock symbol on your key fob while tapping the lock icon on your phone. Your Lexus will then display an “Unlock” message. If you're going to be away from your vehicle for a while you can switch on the battery-saving mode by pressing the unlock and lock buttons on your key fob at the same time. Press the lock button to unlock the vehicle. Avoid placing 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 mobile phones, laptops, and battery chargers. CLK Supplies, LLC in Manhasset offers top quality Toyota Lexus blank keys. They're made of top quality materials and are backed by a one-year warranty against any defects.