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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 having to remove it from your pocket. The key fob battery will eventually degrade.

You can replace the battery with a CR2032 Lithium battery (available in most electronic or hardware stores). Here's how!

Keyless Entry

Your Lexus key fob is equipped with technology that connects to sensors in your vehicle. It lets you lock and unlock your doors, open the trunk, and turn on the ignition with a push button. This remarkable convenience makes driving with a Lexus more enjoyable than driving a traditional vehicle. The key fob may need to be replaced with an entirely new battery at some point in order to work properly.

You can prolong the battery life of your key fob by keeping it away from magnetic appliances such as TVs, mobile phones, battery chargers induction cooktops, table lamps. This is because the closer your key fob is to these devices, the more power it draws from.

You can also prolong the life of your key fob by using it for the functions you need. You can also reduce battery life by reducing the long you use the buttons. To do this, hold the LOCK button and the UNLOCK button at the same time. The electronic key indicator will flash four times to indicate that your key fob is operating in battery-saver mode. Press any button on the key fob when the lights have stopped flashing to ensure it is in working condition. Visit our service center in Manhasset to learn more about how to improve the performance of your Lexus key fob.

Immobilizer System

When you put your key in the ignition, it transmits an ID code to a device inside the car. The computer will allow the engine to start in the event that the ID code matches the previous one that is stored in the car. If the ID code doesn't match, an immobilizer is activated to stop the car from getting started.

This technology isn't foolproof however, it can be effective even in the event you lose your keys. It is possible to "hack" or alter, an anti-theft radio wave system. The thief could use an aerial antenna, and then spoof the signal to inform the car the key is in the ignition.

Experts are developing more secure systems to circumvent this. Some systems offer WiFi connectivity, undetectable installations and pin code entry through buttons on the dashboard. To assist buyers in choosing the most secure security features, Thatcham Research offers a grade and approval system to help you assess the security features of different products.

If you are worried about the anti-theft system in your vehicle, changing the battery is the most straightforward task to complete. A quick check of the owner's manual will help you find the right replacement. Fuses can also be a cause and should be checked regularly. If one blows, it is possible to replace it. purchased from an auto parts store.

Key Blade

Your Lexus key comes with a metal emergency key blade that can unlock the lock cylinders of the doors of your vehicle and also the ignition. Your key fob comes with hardware that connects to the Smart Access system of your vehicle and a button for starting. The key fob might be designed to last for an extended time, but the constant use and exposure to elements of the weather could cause your key to fail sooner than you expected. To prevent this from happening we recommend that you store your key fob away from your vehicle as far as you can, to stop its proximity sensors from continuously connecting and using up battery power.

lexus key fobs to help you when the battery in the key fob you have is dead. We'll walk you through the easy process of replacing the battery as well as provide ways to avoid the hassle!

CLK Supplies, LLC offers top quality Toyota Lexus key blanks. Our Holmdel dealership can help you find the exact replacement part during your next shopping trip. We'll cut the new key blade for you before it is shipped when you place your order during checkout!

Digital Key





The digital key is among the coolest features available on the market for a Lexus. It allows you to lock or unlock your vehicle and start the motor by tapping your mobile device. This feature allows you to close your windows or the moonroof. But, first, you need to speak with a technician to have this feature enabled.

You can also share your digital key with your family or friends, particularly when your car is kept at home on 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".

If you're going to be away from your vehicle for a time you can turn on battery-saving mode by pressing the lock and unlock buttons on your key fob at the same time. Then you can press the lock button once more to restart your vehicle. You can also prolong the life of the battery in your key fob by keeping it out of the three feet of electrical appliances which generate magnetic fields. This includes TVs, laptops mobile phones, laptops, and battery chargers. CLK Supplies, LLC in Manhasset offers top quality Toyota Lexus blank keys. These key blanks are constructed of premium materials and come with a lifetime warranty.