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How to Do a Lexus Key Fob Replacement There are a few things every Lexus owner should be aware of. If you have a traditional key that turns in the ignition, or a smart push to start key, your vehicle will require a new battery eventually. Replacing your key fob battery is relatively easy and can be accomplished at a hardware store, locksmith or big-box retailer. Make sure that the locksmith has the ability to program replacement keys for your specific model. How to replace the 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 procedure is simple and can be done at your own convenience in your Guaynabo home. Just follow these simple instructions from Shottenkirk Desert Lexus and you'll be back on the road in short time. First, ensure your workspace and hands are clean and dry. Incorporating moisture into the new battery could cause it to develop rust. Use a flathead to open up the cover of the key fob. If you want to avoid scratches, wrap the edge of your screwdriver with tape. Once the mechanical key has been removed then you can remove the battery that was in use and replace it with another one. Be sure to put in the new battery with the positive (+) side facing up. Install the electronic module, and then snap back the cover for the fob. If you need assistance with your key fob the technicians who service it at Shottenkirk Desert Lexus are available to help. We also provide Key Replacement Protection, available when you lease or purchase an entirely new Lexus vehicle. This warranty covers fobs and keys that can be replaced, as well as the programming needed to sync them with the vehicle's immobiliser system. To find out more about this useful accessory, click here or contact our service department. How do I activate the battery-saving mode? A Lexus key fob is a highly sophisticated piece of technology that lets you to lock and unlock your doors and start your push-button ignition. It is equipped with hardware that sends signals for your vehicle to do things like automatically shutting the windows. In time the battery inside your Lexus key fob could become low, and it's crucial to replace it as quickly as you can to ensure that you don't compromise the function of this crucial device. If you don't plan to use your Lexus Key Fob for a couple of weeks, you may want to activate the battery-saving mode. This will help reduce battery drain. Press and hold the LOCK key while pressing UNLOCK key twice. The indicator on the electronic will flash four times and your Lexus key fob is now in battery-saving mode. To reactivate the push-button start and Smart Access features, simply press any of the buttons on the fob. Switching the battery on your Lexus key fob is a relatively simple task that doesn't require special tools. Start by ensuring that your hands are completely dry to avoid the possibility of moisture rusting the new battery. Then, find the small button on the back of your key fob. This button releases the emergency key blade stored inside. Push the release button and take out the mechanical key. Next take the new battery in with its plus side facing upwards. How do you turn off your key fob It may appear simple, but the technology inside is very sophisticated. It allows you to lock and unlock doors and access the trunk of your 2021 Lexus IS without ever having to remove the key from your pocket. But it's also got some extra features that may be surprising you. Consumer Reports says that the panic button on your key fob could help you locate your car in the parking garage. The enthralling sound can also scare off thieves, reports RepairPal. Keep one in your wallet and purse in the event of an emergency. Consumer Reports says that some automobiles will allow you to start your car using remote fobs in cold weather. Hold lexus keys replacement for 10 seconds on the fob to activate this feature. Be aware that this feature might not work with all vehicles. Read the owner's manual. If you've lost your car keys, or your fob has been damaged, you can have it replaced via the locksmith service or a dealer. It's crucial to seek out the right help in order to ensure that your replacement key or fob is as good as the original. You'll want to ensure that the locksmith you hire has the correct key blanks and is able to program them properly for your vehicle. How to replace the Key Blade Today's modern key fobs are more capable than ever before. With the touch of a button, they can unlock the door, lock it, and even start cars. However all this technology comes with a cost. The cost of purchasing a replacement key fob costs around $200-$500, and having it programmed by a professional dealer can cost more. Fortunately replacement of the battery in most fobs is relatively inexpensive and easy. To replace the Lexus keyfob battery Use a flathead tool to open the fob. If you want to avoid scratching the plastic, cover the edge of the screwdriver in tape prior to using it. Remove the electronic key module that covers the battery before removing the old battery. Replace it with a brand new CR2032 in its place with the positive side facing upwards. Connect the electronic module on, and then replace the key fob cover. You can prolong the life of your battery keyfob by making sure it is kept at least three feet away from magnetic devices like TVs, laptops and cell phones. The battery-saving mode can be activated by pressing the UNLOCK and LOCK buttons twice while holding the LOCK button. The electronic indicator on the key will blink four times to confirm that the battery-saving setting is in place. To restart the use of your Smart Access System and Push Button Start, press any button on the key fob.