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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 then start it without ever taking it from your pocket. However there will come a point when the key fob battery will die. Luckily, you can replace the battery yourself with just the flathead screwdriver along with a lithium battery called CR2032 (available at most electronic stores or hardware stores). Here's how to do it! Keyless Entry Your Lexus key fob is armed with a device that communicates with sensors in your car to allow you to lock and unlock doors, open your trunk, and then turn on the engine. This is a fantastic convenience that makes driving in a Lexus so much more fun than it would be with the traditional car. However, the key fob may eventually require a battery replacement in order to function properly. You can prolong the battery life of your key fob by keeping it far from appliances that are magnetic, such as TVs mobile phones, televisions, battery chargers, induction cooktops and table lamps. The closer your key fob is to these devices the more power they'll consume. You can also extend the life of your key fob by using it only for the functions you require. You can also reduce the use of your battery by reducing the time you press your buttons. To do this, press the LOCK button and the UNLOCK button simultaneously. The electronic indicator for the key will flash four times, indicating that your key fob is in battery saver mode. Press any button on the key fob once the lights stop flashing to get it back in good working in good working order. Visit our service center in Manhasset to learn more about ways to optimize the performance of your Lexus key fob. Immobilizer System When you plug the key into the ignition it transmits an identification code to a receiver inside the car. If the ID code matches with one in its memory, the car's computer allows the engine start. If the ID code doesn't match, it triggers an immobilizer that prevents the engine from starting. This technology isn't foolproof, but it does work even in the event you lose your keys. It is possible to “hack” or alter the anti-theft radio wave system. A thief could use an aerial antenna to detect the signal and then spoof it into telling the vehicle that the key is present. Experts are putting together more secure systems to thwart this. Some systems offer WiFi connectivity un-detectable installations, as well as pin code entry via buttons on the dashboard. Thatcham Research has developed a system of grading and approbation for buyers to evaluate products. If you're worried about the anti-theft feature of your car the easiest thing to do is replace the battery, especially if it's old. A quick glance through the owner's manual can help you find the right replacement. Fuses can also be a problem so be sure to make sure you check them on a regular basis. Replacement parts are available at the auto parts store in case one fails. Key Blade Your Lexus key comes with a metal emergency key blade which will open the lock cylinders on your vehicle's doors and ignition. Your key fob also contains hardware that communicates with your vehicle's Smart Access system and push-button start. While your key fob is made to last for a long duration, regular use and exposure to weather elements can cause it's to fail earlier than you think. To help prevent this we suggest that you keep your key fob away from your vehicle as far as you can to prevent its proximity sensors from continuously connecting and consuming battery power. We're here to help you should the battery inside your key fob is depleted. lexus replacement key 'll help you navigate the procedure of replacing the battery in your key fob and offer suggestions to help you avoid the hassle. CLK Supplies, LLC provides top quality Toyota Lexus blank keys. Our Holmdel dealership can assist you to find the right replacement part during your next visit to the store. When you place your order at checkout we'll make your new key blade prior to when it's delivered! Digital Key The digital key is one of the most innovative features of an Lexus. It lets you to lock or unlock your vehicle and start the motor with just a tap of your mobile device. You can even roll down the windows or even open the doors with this feature. However, you must first speak to a technician and have this feature enabled. You can also share your digital key with family or friends, especially in the event that your car will be away during your trip. To do this, press and hold the lock symbol on your key fob while tapping the lock icon on your phone. Your Lexus will display the message “Unlock”. By pressing the lock and unlock button on your key fob simultaneously will activate the battery saving mode if you are leaving your vehicle. Then, press the lock button once more to restart your vehicle. Avoid placing your key fob within three feet of the appliances that generate magnetic fields. This will extend the life of the battery. This includes laptops, TVs mobile phones, laptops, and battery chargers. If you're looking for a replacement battery for your key fob or other parts for your car, contact CLK Supplies, LLC near Manhasset for top-quality Toyota Lexus key blanks. They're made from top materials and come with a guarantee against any defects.