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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 then start it without having to remove it from your pocket. The battery in the key fob will eventually go out. Luckily, you can replace the battery on your own with a flathead screwdriver and a lithium battery of the CR2032 type (available at most electronic stores or hardware stores). Find out how to do it here! Keyless Entry Your Lexus key fob is equipped with technology that connects to sensors inside your vehicle to let you lock and unlock your doors and trunk, as well as open it and start the push-button ignition. This amazing convenience makes driving with a Lexus more enjoyable than driving an ordinary vehicle. The key fob could require replacement with an additional battery at some point in order to function effectively. The good news is that you can prolong the life of your key fob battery by making sure it is kept at least three feet away from electrical appliances that produce magnetic fields, such as TVs, cell phones, batteries, induction cookers, battery chargers, and table lamps. The closer your keyfob is to these devices the more power they will use. Another way to make sure your key fob lasts a long time is to use it only for the functions that you require. You can also prolong battery life by reducing the you press the buttons. To do this, press the LOCK button and the UNLOCK button simultaneously. The electronic key indicator will flash four times, which indicates that your key fob is in battery-saver mode. Press any button on the key fob when the lights stop flashing to bring it back in working order. Visit our service center in Manhasset to learn more about ways to enhance the performance of your Lexus key fob. Immobilizer System When you put your key in the ignition, it transmits an ID code to a receiver inside the car. If the ID code matches one in its memory, the car's computer lets the engine start. But if lexus rx400h key replacement does not match, it triggers an immobilizer that stops the engine from starting. This technology can be used even if your keys are stolen However, it's not 100% secure. It is possible to “hack” an anti-theft system that uses radio waves. The thief could use an aerial antenna to spoof the signal to tell that the car has the key in the ignition. Experts are putting together more secure systems to thwart this. Certain systems provide WiFi connectivity un-detectable installations, as well as 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 assess the security features of different products. If you're worried about the anti-theft feature of your car the best thing you can do is replace the battery, especially if it's old. A quick review of the owner's manual will help you find the right replacement. Fuses could also be a problem and you must be sure to check them frequently. A replacement can be found at the auto parts store in case one fails. Key Blade Your Lexus key is equipped with a steel emergency key blade which will open the lock cylinders of your vehicle's doors and ignition. The key fob is also equipped with hardware that provides communication with your car's Smart Access system and push-button start. Your key fob might be designed to last for many years, but constant use and exposure to the elements of the weather could make your key fail earlier than you anticipated. To prevent this, store your key fob as far from your car as is possible. This will help reduce the battery consumption caused by its proximity sensors. We're here to assist with your battery issues if your key fob runs out. We'll guide you through the process of replacing your key fob's battery 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 find the exact replacement part for your next shopping visit. When you order during checkout we'll cut the new key blade prior to when it's shipped! Digital Key One of the coolest features of a Lexus key is its digital key, which lets you to lock and unlock your vehicle and start the engine with a touch of a button on your mobile device. You can even open the windows or moonroof with this feature. However, first speak with a technician to have this feature enabled. You can also utilize the digital key to share access with your family and friends, especially in the event that you're planning to leave your car at home as you travel. To accomplish this, press the lock symbol located on your key fob, then tap the lock icon on your phone. Your Lexus will display the message “Unlock”. If you're planning to get out of your car for a long time you can turn on battery-saving mode by pressing the lock and unlock buttons on your key fob at the same time. Press the lock button to restart the vehicle. You can also extend the life of your key fob's battery by not placing it within three feet of electrical devices that produce magnetic fields. This includes TVs and laptops as well as cellphones, battery chargers, and even mobile phones. CLK Supplies, LLC in Manhasset provides top-quality Toyota Lexus blank keys. Key blanks made of high-quality materials and come with a warranty.