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When Your Lexus Smart Key Fails Smart Key is a convenient feature that lets you lock and unlock your Lexus IS 2021, open the trunk, and then start it, without ever needing to take it out of your pocket. However, there comes a time when the key fob battery is dead. You can, fortunately, replace the battery yourself using an flathead screwdriver and lithium battery of the CR2032 type (available at a majority of electronics stores and hardware stores). Here's how! Keyless Entry Your Lexus key fob contains hardware that connects with the sensors in your vehicle. This lets you lock and unlock your doors and trunk, as well as unlock the trunk and turn on the ignition with a push button. This is an incredible convenience that makes driving in a Lexus so much more fun than driving a traditional car. However, the key fob may eventually require a battery replacement in order to work properly. The good news is that you can prolong the life of your key fob battery by keeping it at a minimum of three feet away from electrical appliances that generate magnetic fields, like TVs, cell phones and battery chargers, induction cookers and table lamps. The closer your key fob is to these appliances, the more power they'll use. You can also prolong the life of your key fob by only using it to perform the functions you require. You can also save battery life by reducing how long you press the buttons. Press the LOCK and UNLOCK buttons simultaneously. The electronic key indicator will flash four times, indicating that your key fob has entered battery-saving mode. Press any button on the key fob once the lights stop flashing to ensure it is in good working order. Visit our service center in Manhasset to find out more about how you can enhance the performance of your Lexus keyfob. Immobilizer System When you put the key in the ignition, it transmits an identification code to a receiver in the car. The computer will allow the engine to start in the event that the ID code matches a previous one stored in the car. But if the ID code doesn't match, it triggers an immobilizer that stops the engine from starting. This technology can be used even if your keys are stolen but it's not foolproof. It is possible to “hack” or alter, an anti-theft radio wave system. A thief could use an aerial antenna to detect the signal and then spoof it to tell the car that the key is in. Experts are working on more secure systems to circumvent this. Some provide WiFi connectivity, undetectable installation and pin code entry through dashboard buttons. To help buyers choose the most reliable security features, Thatcham Research offers a assessment and approval process to help you compare products. If you are worried about the anti-theft device in your car, replacing batteries is the simplest step to take. A quick look through the owner's manual can help you find the right replacement. Fuses are another possible cause, so they should be checked regularly. A replacement is available at the auto parts store in case one blows. lexus car key replacement comes with a metal emergency key blade which will open the lock cylinders on your vehicle's doors and ignition. The key fob also has hardware that communicates with your vehicle's Smart Access system and push-button to start. Your key fob may be designed to last for an extended period of time, but regular usage and exposure to elements of the weather can cause your key to malfunction sooner than expected. To prevent this from happening, store your keyfob as far away from your car as is possible. This will lessen the battery drain caused by its proximity sensors. If the battery of your key fob is running low, we're here to help. We'll help you navigate the procedure of changing the battery of your key fob and even give you some tips to avoid the hassle. CLK Supplies, LLC offers top quality Toyota Lexus key blanks. You can find the exact replacement you require when you next head to our Holmdel dealership. We'll cut the new key blade for you prior to it ships when you order during the checkout process! 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 just a click on your mobile device. You can even open the windows or open the moonroof using this feature. However, first speak to a technician and enable this feature. You can also share your digital key with family or friends, particularly if your car will be in the garage on your trip. To accomplish this, press the lock symbol on your key fob and 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 simultaneously will activate the battery-saving mode when you leave your car. Then you can press the lock button again to restart your vehicle. You can also extend the life of your key fob battery by avoiding placing it within three feet of electrical devices that generate magnetic fields. This includes laptops, TVs mobile phones, laptops, and battery chargers. CLK Supplies, LLC in Manhasset offers top-quality Toyota Lexus blank keys. They're made from top materials and offer a warranty against defects.