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5 Laws Everybody In Lexus Replacement Key Cost Should Know
How to Do a Lexus Key Fob Replacement

There are a few things every Lexus owner should be aware of. No matter if you use a conventional key that rotates in the ignition, or a smart push to start key, your vehicle will require an upgrade to its battery in the near future.

It is easy to replace the battery in your key fob by visiting a hardware store, big-box retailer or locksmith. However, you should always check that the locksmith or dealer can make replacement keys for your particular model.

How do you replace a battery

If the LED indicator light dims and you cannot activate Smart Access or push-button starting then it's time to replace the Lexus key fob. The process is easy and can be completed at the comfort of your Guaynabo home. Follow these simple instructions from Shottenkirk Desert Lexus and you'll be back on the road in no time.

Make sure your hands and the work area are completely dry. Moisture could cause the battery to get rusty. Then you can use a flathead screwdriver to open the key fob cover. If you want to avoid scratches, cover the tip of your screwdriver in tape. Once the mechanical key has been removed, you can remove the battery that was in use and replace it with a brand new one. Install the new battery in a way that the positive (+) face is facing up. Install the electronic module, and then snap back the cover of the fob.

Remember, that if you're having difficulty with your key fob and need help, the experienced service technicians at Shottenkirk Desert Lexus can assist you. We're also pleased to offer Key Replacement Protection, available when you lease or purchase a brand new Lexus vehicle. This warranty covers fobs and keys that are replaced and also programming to connect them to your vehicle's security system. To find out more about this important addition, click HERE or contact our service team.

How do I activate battery-saving mode?

A Lexus key fob is a sophisticated piece of technology that lets you to lock and unlock your doors, as well as begin your push-button ignition. It is equipped with hardware that sends signals to your vehicle to do things like automatically open the windows. Over time the battery in your Lexus key fob can become low, and it's crucial to replace it as soon as possible to ensure the purpose of this vital device.

If you're not going to be using your Lexus Key Fob for a couple of weeks, you may want to activate the battery-saving mode. This will reduce the battery's drain. To activate it you need to press and hold the LOCK button while pressing the UNLOCK button three times. The LED will blink four times and your Lexus keyfob will be in battery saving mode. Press any button on the key fob to restart Smart Access and push-button starting.


Switching the battery on your Lexus key fob is a relatively simple task that doesn't require any special tools. Begin by making sure your hands are completely dry to decrease the chance of moisture rusting the new battery. Find the small button on the back of your key fob that opens the emergency key blade stored inside. Push the release button, and take off the mechanical key. Slide the new battery into position with its plus-side facing forward.

How to turn off your key Fob

Your key fob might seem rather simple, but it's loaded with advanced technology. It lets you lock and unlock doors and open the trunk of your 2021 Lexus IS without ever having to take the key out of your pocket. It also has some secret functions that you'll be amazed by.

For example, the key fob's panic button can help you find your car in a congested parking garage, according to Consumer Reports. RepairPal reports that the booming sound could also dissuade thieves. Keep one in your wallet or purse in case of emergency.

replacement lexus key thekeylab.co.uk let you start your engine with a remote key fob even in cold weather, Consumer Reports notes. Press the lock button for 10 seconds on the key fob to activate this feature. (A note of caution: This feature doesn't work with all vehicles, so make sure you read your owner's manual.)

If you've lost your car keys or your fob for keys is damaged, you can get it replaced via the dealer or a locksmith service. It is essential to seek the correct assistance to ensure that the replacement key or fob functions exactly like the original. For instance, you'll want to make sure the locksmith you hire has the correct key blank and is able to program it correctly for the specific vehicle you have.

How to Replace the Key Blade

The high-tech key fobs of today are more powerful than ever. They unlock vehicles, lock them and even start them with the press of a button. All this technology is not free. A replacement key fob could cost between $200 and $500. Having it programmed at an authorized dealer could cost more. The battery can be easily and cheaply replaced in the majority of fobs.

To replace the battery on the Lexus key fob, you must first make use of a flathead screwdriver to break open the fob. If you'd like to avoid scratching the plastic, wrap the edge of the screwdriver in tape before using it. If there is an electronic key module that is covering the battery, remove it before taking out the old one. Then, put a brand new CR2032 battery in its place, with the plus side facing upwards. Snap the electronic key module back on and put the key fob cover plate back in place.

You can prolong the battery life of your keyfob by keeping it at least 3 feet away from any magnetic appliance like laptops, televisions, and cell phones. The battery-saving mode is activated by pressing the UNLOCK and LOCK buttons two times while holding the LOCK button. The electronic key indicator will flash four times in order to confirm that the battery-saving mode has been activated. To restart the use of your Smart Access System and Push Button Start, press any button on the key fob.

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