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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 on the ignition, or a smart push to start key, your car will require a new battery sooner or later. The replacement of your key fob's battery is quite simple and can be accomplished at a locksmith, hardware store or a big-box retailer. Always ensure that the locksmith is able to make replacement keys for your specific model. How to replace a Battery When the indicator light for the LED goes out of focus and you're unable activate push-button start or Smart Access, it's time to replace the Lexus key fob battery. Fortunately, the process is easy and can be completed from the comfort of your Guaynabo-area home. Just follow these simple instructions from Shottenkirk Desert Lexus and you'll be back on the road in the blink of an eye. Make sure your hands and work area are completely dry. Moisture could cause the battery to rust. Then, use a flathead screwdriver for opening the cover on the key fob. Cover the tip of your screwdriver in tape to avoid scratches. After the mechanical key has been removed, you can take out the battery you have been using and replace it with another one. Be sure to put in the new battery with the positive (+) side facing up. Reinstall the electronic module and snap back the cover of the fob. Remember, that if you're experiencing difficulties with your key fob and need assistance, our knowledgeable service technicians at Shottenkirk Desert Lexus can assist you. We're also pleased to offer Key Replacement Protection, available when you buy or lease a new Lexus vehicle. This warranty covers fobs and replacement keys as well as the programming required to connect them to your vehicle's security system. To learn more about this important upgrade, click HERE or contact our customer service team. How to Activate Battery-Saving Mode A Lexus keyfob is a nifty piece of technology that lets you to lock or unlock your doors, and even start the ignition using a push button. It has hardware that sends signals to the vehicle, e.g. to automatically lower your windows. The battery in your Lexus' key fob will eventually run out. It is essential to replace the battery as soon as you can, to prevent it from degrading its purpose. If you're not going to be using your Lexus key fob for a couple of weeks you can turn on the battery-saving mode to minimize the depletion of your battery. To turn it on just press and hold down the LOCK button while pressing the UNLOCK button twice. The electronic indicator 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 your fob. It's simple to change the battery on your Lexus Key Fob with no special tools. To reduce the chance of rusting, ensure your hands and the new battery are clean. Locate the small button located on the back of the key fob. The button lets go of the emergency blade stored inside. Push the release button, and remove the mechanical key. Then you'll need to slide the new battery into place with its plus side facing up. How to Turn Off Your Key Fob The key fob you have might appear quite basic, but it's actually packed with sophisticated technology. It allows you to lock and unlock doors as well as access the trunk of your 2021 Lexus IS without ever having to take the key out of your pocket. It also has some secret features that you could be surprised by. Consumer Reports says that the panic button on your key fob may assist you in finding your car in a parking garage. RepairPal reports that the loud noise could also deter thieves. It's a good idea to keep one in your wallet or purse just in case. Some cars allow you to start your engine using the remote key fob during chilly weather, Consumer Reports notes. Simply hold the lock button on the key fob for 10 seconds to activate this feature. ( g28carkeys.co.uk of caution: This feature doesn't work on all vehicles, so be sure you check your owner's manual.) You can replace your key fob or lost car keys through a dealer or locksmith service. It is essential to seek the right assistance to ensure that your new key or fob functions as the original. For instance, you'll need to ensure that the locksmith you select has the right key blank and can program it correctly for your specific vehicle. How do I replace the Key Blade The latest high-tech key fobs are more capable than ever before. They unlock vehicles, lock them and even start them at the press of a button. However, all this technology comes with the cost of. A replacement key fob could cost between $200-$500. If you have it programmed by a dealer might cost more. Fortunately replacement of the battery in the majority of fobs is affordable and easy. To replace the Lexus keyfob battery make use of a flathead to open the fob. Wrap the edge of the screwdriver's flathead with tape prior to using it to avoid scratching plastic. Remove the electronic key module that covers the battery before removing the old one. Then, put a brand new CR2032 battery in its place, with the plus side facing upwards. The electronic module should be re-snapped on and then replace the cover for the key fob. There are some things you can do to extend the lifespan of the battery in your key fob, such as keeping it 3 feet away from electrical appliances that produce magnetic fields, such as TVs, laptops, cell phones, and battery chargers. The battery-saving mode can be activated by pressing the LOCK and UNLOCK buttons twice while holding the LOCK button. The indicator on the electronic key will blink four times to confirm the battery saving setting. To resume the use of your Smart Access System and Push Button Start, press any button on the key fob.