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When Your Lexus Smart Key Fails Smart Key is a convenient feature that allows you lock and unlock your Lexus IS 2021, open the trunk and start it without needing to take it out of your pocket. However there comes a point when the key fob battery dies. Luckily, you can replace the battery on your own with a flathead screwdriver as well as a lithium battery of the CR2032 type (available in most electronics stores or hardware stores). Here's how! Keyless Entry Your Lexus key fob comes with hardware that communicates with sensors in your car to allow you to lock and unlock doors and trunks. Simply open the trunk and then turn on the push-button engine. This incredible convenience makes driving the Lexus more fun than any other vehicle. The key fob may need to be replaced with a new battery at some point to work properly. The good news is that you can extend the life of the battery in your key fob by keeping it at least three feet away from electrical appliances that create a magnetic field, including TVs, cell phones and battery chargers, induction cookers, and table lamps. This is because the closer your key fob is to these devices, the greater energy it will draw from. You can also prolong the life of your key fob by only using it only for the functions you require. You can also conserve your battery by reducing the time you press your buttons. To do this, press the LOCK button and the UNLOCK button at the same time. The electronic key indicator will blink four times to indicate that your key fob has entered battery-saving mode. Once the lights cease to flash 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 how you can improve 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 within the car. If the ID code matches with one in its memory, then the car's computer lets the engine start. If the ID code doesn't match, it triggers an immobilizer that stops the engine from starting. The technology isn't completely foolproof, but it does work even in the event that you lose your keys. It is possible to “hack”, or manipulate, an anti-theft radio wave system. The thief could use an aerial antenna and spoof the signal to tell that the car's key is in the ignition. Experts are developing more secure systems to circumvent this. Some provide WiFi connectivity as well as undetectable installation, and pin code entry via buttons on the dashboard. To help customers choose the most reliable security features, Thatcham Research offers a rating and approval system to make it easier to compare products. If you're concerned about the security of your vehicle's anti-theft system the most straightforward thing to do is replace the battery, especially if it's old. You can locate the proper replacement by referring to the owner's manual. Fuses can also be a source of trouble so it is important to check them regularly. A replacement is available at the auto parts store if one fails. Key Blade Your Lexus key has a metallic emergency key blade that can open the lock cylinders in your vehicle's doors as well as the ignition. Your key fob has hardware for communication with the Smart Access system of your vehicle and a button for starting. The Keylab may be designed to last for many years, but constant use and exposure of elements of weather 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 far as you can to prevent its proximity sensors from continuously connecting and using up battery power. We're here for you to help when the battery in the key fob you have is dead. We'll walk you through the simple process of replacing the battery, and we'll even cover strategies to help you avoid the hassle altogether! CLK Supplies, LLC provides top quality Toyota Lexus blank keys. Our Holmdel dealership can assist you to find the exact replacement part on your next visit to the store. When you make your purchase at checkout we'll cut your new key blade prior to when it is shipped! Digital Key The digital key is among the coolest features available on a Lexus. It lets you to lock or unlock your vehicle and start the motor with just a tap of your mobile device. This feature lets you roll down your windows or the moonroof. You must first speak to an expert in order to have this feature activated. You can also share your digital key with family or friends, particularly in the event that your car will be kept at home during your trip. To accomplish this, press the lock symbol on your key fob, then tap the lock icon on the phone. Your Lexus will then display an “Unlock” message. Pressing the lock and unlock buttons on your key fob at the same time will activate the battery saving mode when you leave your vehicle. Press the lock button to unlock the vehicle. Do not place your key fob within three feet of appliances that produce magnetic field. This will extend the life of the battery. This includes laptops and TVs as well as cellphones, battery chargers, and even mobile phones. CLK Supplies, LLC in Manhasset provides top quality Toyota Lexus blank keys. They're made from top materials and are covered by a warranty against any defects.