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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 ever needing to take it out of your pocket. However, there comes a time when the battery of the key fob is dead.

Luckily, you can swap the battery yourself by using a flathead screwdriver as well as a lithium battery CR2032 (available in most electronics stores or hardware stores). Find out how to do it here!

Keyless Entry

Your Lexus key fob comes with components that communicate with sensors inside your vehicle to let you lock and unlock your doors, open the trunk, and also start the ignition push-button. key for lexus makes driving with a Lexus more fun than the typical vehicle. However, the key fob will eventually need a battery replacement in order to perform as it should.

The good news is that you can extend the life of the battery on your key fob by keeping it at least 3 feet away from electrical appliances that generate magnetic fields, like cellphones, televisions, battery chargers, induction cookers and table lamps. The closer your keyfob is to these devices the more power they'll consume.

The other way to ensure your key ring lasts for a long time is to use it only for the functions you need. It is also possible to save your battery by cutting down on the time you press your buttons. Hold the LOCK and UNLOCK buttons at the same time. The electronic indicator for the key will flash four times, which indicates that your key fob has entered battery-saving mode. Press any button on the key fob once the lights stop flashing to restore it in working in good working order. Visit our service center in Manhasset to find out more about how to enhance the performance of your Lexus keyfob.

Immobilizer System

When you plug the key into the ignition, it sends an identification code to a receiver inside 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. If the ID code does not match, it activates an immobilizer, which stops the engine from running.

This technology works even if your keys get stolen However, it's not 100% secure. In fact, it's possible to "hack" an anti-theft system using radio waves. The thief could employ an aerial antenna to detect the signal and then spoof it into telling the vehicle that the key is present.


To avoid this, experts are working on safer systems. Some systems offer WiFi connectivity with undetectable installations as well as pin code entry using buttons on the dashboard. To help buyers select the most secure security features, Thatcham Research offers a grade and approval system to make it easier to evaluate products.

If you're worried about the anti-theft system in your car, replacing batteries is the simplest option. A quick review of the owner's manual will help you find the right replacement. Fuses are a different cause which is why they must be checked on a regular basis. The replacement is available at the auto parts store if one blows.

Key Blade

Your Lexus key is equipped with a steel emergency key blade that can open the lock cylinders of your vehicle's doors as well as the ignition. Your key fob also contains components that allow communication with your car's Smart Access system and push-button to start. While your key fob has been made to last for a long duration, everyday use and exposure to weather elements can cause it to fail sooner than you would expect. To prevent this, put your key fob as far from your car as is possible. This will help reduce the battery drain due to its proximity sensors.

We're here to help with your battery issues if your key fob goes out. We'll guide you through the easy replacement procedure as well as provide some tips to help you get through the process without hassle!

CLK Supplies, LLC provides high-end Toyota Lexus blank keys. You can locate the exact replacement you require during your next trip to our Holmdel dealership. We'll cut the new key blade for you before it's shipped out when you make your purchase during checkout!

Digital Key

One of the most exciting features of the Lexus key is its digital key, which lets you to lock the car, unlock it and start the engine with pressing a button on your smartphone. You can also roll down the windows or moonroof with this feature. However, first speak with a technician to enable this feature.

You can also make use of the digital key to share access with family and friends, especially if you're planning on leaving your car at home while you travel. To do this, hold and press the lock symbol on your key fob while tapping the lock icon on your phone. Your Lexus will display the message "Unlock".

Pressing the lock and unlock button on your key fob simultaneously will activate the battery-saving mode in the event that you are leaving your vehicle. Then, press the lock button a second time to reactivate your vehicle. You can also extend the life of the battery in your key fob by keeping it out of the three feet of electrical appliances that generate magnetic fields. This includes laptops, TVs cell phones, laptops, and battery chargers. If you're looking for an replacement battery for your key fob or other automotive parts contact CLK Supplies, LLC near Manhasset for top-quality Toyota Lexus key blanks. Key blanks made of top quality materials and come with a warranty.

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