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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 then start it without ever taking it from your pocket. The key fob battery will eventually die. You can replace the battery using the CR2032 lithium battery (available in a majority of hardware or electronics stores). Here's how to do it! Keyless Entry Your Lexus key fob has components that communicate with sensors in your vehicle. This lets you lock and unlock your doors, open the trunk, and then start the ignition by pressing a button. This is an incredible convenience that makes driving a Lexus so much more fun than driving a traditional car. The key fob will need to be replaced with a new battery at some point in order to work correctly. You can extend the battery life of your key fob by keeping it away from magnetic appliances like TVs, mobile phones, battery chargers, induction cooktops and table lamps. This is because the closer your key fob is to these devices, the more power it draws from. Another way to make sure your key ring lasts for a long time is by using it only for the functions you need. You can also save your battery by cutting down on the time you use your buttons. Press the LOCK and UNLOCK buttons at the same time. The electronic key indicator will flash four times, signalling that your key fob is in battery-saver mode. Once the lights cease to flash 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 enhance 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 inside the car. If the ID code matches one in its memory, then the car's computer lets the engine begin. However, if the ID number does not match, it triggers an immobilizer that prevents the engine from starting. This technology isn't foolproof but it works even if you lose your keys. It is possible to “hack” or alter the anti-theft radio wave system. A thief can use an aerial antenna and spoof the signal to tell that the car has the key in the ignition. Experts are working on more secure methods to thwart this. Some systems include WiFi connectivity un-detectable installations, as well as pin code entry using dashboard buttons. To help cost to replace lexus key fob select the most secure security features, Thatcham Research offers a grading and approval system to help you compare products. If you're concerned about the security of your vehicle's anti-theft system the easiest thing to do is to replace the battery, especially if it's old. A quick review of the owner's manual will aid you in locating the correct replacement. Fuses are a different cause, so they should be checked regularly. If one blows, a replacement can be easily purchased from an auto parts store. Key Blade Your Lexus key includes a metal emergency key blade which will open the lock cylinders of the doors of your vehicle and also the ignition. Your key fob also contains hardware that connects to your vehicle's Smart Access system and push-button to start. While your key fob was designed to last for a lengthy duration, everyday use and exposure to weather elements can cause it's to fail earlier than you think. To prevent this, put your key fob as far from your car as possible. This will help reduce the battery consumption caused by its proximity sensors. If the battery of your key fob is running low, we're here to help. We'll guide you through the simple replacement procedure, and we'll even cover tips to help you avoid the hassle altogether! CLK Supplies, LLC offers top-quality Toyota Lexus key blanks. Our Holmdel dealership can help you locate the correct replacement part you need during your next shopping trip. We'll cut the new key blade for you prior to it's delivered when you purchase at the checkout process! Digital Key One of the coolest features of a Lexus key is its digital key, which allows you to lock and unlock your car and even start your engine with just a click on your smartphone. You can even open the windows or even open the doors with this feature. It is necessary to speak with an expert in order to activate this feature. You can also share the digital key with family or friends, especially if your car will be in the garage during your travels. To do this, press the lock symbol on the fob of your key and tap the lock icon on your phone. Your Lexus will display the message “Unlock”. If you're leaving your car for a period of time you can turn on battery-saving mode by pressing the unlock and lock buttons on your key fob at the same time. Press the lock button to reactivate the vehicle. You can also prolong the life of the battery in your key fob by avoiding placing it within three feet of electrical devices that generate magnetic fields. This includes TVs, laptops cell phones, laptops, and battery chargers. If you're looking for a replacement key fob battery or other automotive parts contact CLK Supplies, LLC near Manhasset for top-quality Toyota Lexus key blanks. These key blanks are constructed from top quality materials and come with a warranty.