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How to Do a Lexus Key Fob Replacement There are a few points that every Lexus owner should know. No matter if you have a conventional key that rotates in the ignition or a smart push-to-start key, your vehicle will need a new battery eventually. It is easy to replace the battery on your key fob at a hardware retailer, big-box retailer, or locksmith. However, you must ensure that the locksmith or dealer can program replacement keys to the model you have chosen. How do you replace a battery If the indicator light on the LED gets dim and you're unable to activate the push-button start or Smart Access, it's time to replace the Lexus key fob battery. The process is easy and can be completed from the comfort of your Guaynabo home. Follow these easy instructions by Shottenkirk Desert Lexus to get back on the road swiftly. Make sure your hands and work area are dry. Moisture can cause the battery to be rusty. Use a flathead to open up the cover of the key fob. If you want to protect yourself from scratches, wrap the tip of your screwdriver with tape. After the mechanical key is removed, you can take out the battery that was in use and replace it with a brand new one. Make sure that you put in the new battery with the positive (+) side facing upwards. Then, you can reinstall the electronic key module and then snap the cover back into position. Be aware that if you're having difficulty with your key fob and require assistance, the skilled 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 replacement keys and fobs, as well as the programming needed for synchronization with your vehicle's immobiliser system. To learn lexus replacement key programming about this valuable upgrade, click HERE or contact our customer service team. How to Activate Battery-Saving Mode A Lexus keyfob can be described as a sophisticated piece of technology which allows you to lock or unlock your doors, and even start your push button ignition. It's got hardware that transmits signals to your vehicle to do things like automatically shutting the windows. As time passes the battery in your Lexus key fob might run low, and it's essential to replace it as quickly as possible to ensure the purpose of this vital device. If you're not going to use your Lexus key fob for several weeks, you can activate batteries-saving mode to prevent battery depletion. To turn it on, press and hold the LOCK button while pressing the UNLOCK button three times. The LED will blink four times, and your Lexus keyfob is now in battery saving mode. Press any button on your key fob in order to reactivate Smart Access and push-button starting. It's easy to change the battery in your Lexus Key Fob with no special tools. To prevent rusting, make sure your hands and the new battery are clean. Then, locate the small button on the back of your key fob that allows you to release the emergency key blade that is stored inside. The mechanical key is removed by pressing the release button. Then take the new battery into place with its plus side facing upwards. How to Turn Off Your Key Fob The key fob you have might appear rather basic, but it's actually packed with advanced technology. It lets you lock and unlock doors as well as access the trunk of your 2021 Lexus IS without ever having to remove the key from your pocket. It also has some secret functions that you may be surprised by. Consumer Reports says that the panic button on your key fob may aid you in finding your car in parking garages. The loud, enticing sound could deter thieves, according to RepairPal. This is a good reason to keep one in your purse or wallet just in case. Some cars allow you to start your engine using the remote key fob during cold weather, Consumer Reports notes. Simply hold the lock button on the key fob for 10 seconds to activate this feature. Note: This feature may not work with all vehicles. Check your owner's guide. If you've lost your car keys, or your fob has been damaged, you can have it replaced by either the locksmith or dealer. It is essential to seek the right 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 right key blank and can program it properly for your specific vehicle. How to replace the Key Blade Today's modern key fobs are more powerful than ever before. With the touch of a button, they can unlock or lock and even start automobiles. However, all this technology comes at costs. Buying a replacement key fob can cost anywhere from around $200-$500, and getting it programmed by a professional dealer can cost even more. Fortunately that replacing the battery on most fobs is relatively inexpensive and simple. To replace the Lexus keyfob battery make use of a flathead to pry the fob open. If you'd like to avoid scratching the plastic, cover the tip of the screwdriver using tape prior to using it. Take off the electronic key module that covers the battery before taking out the old one. Install a new CR2032 in its place, with the positive side facing up. Snap the electronic key module back on and put the key fob cover plate back in place. There are several ways you can prolong the life of your key fob's battery, such as keeping it at least three feet from electrical appliances that create a magnetic field, like laptops, televisions, cell phones, and battery chargers. You can also activate battery-saving mode by holding the LOCK button, and then pressing the UNLOCK button three times. The indicator on the electronic key will flash four times in order to confirm that the battery-saving mode is activated. Press any button on your key fob in order to resume using the Smart Access System or Push Button Start.