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How to Do a Lexus Key Fob Replacement There are some things every Lexus owner needs to know. Whether you drive a conventional key that turns on the ignition, or a smart push to start key, your vehicle will need a new battery sooner or later. It is easy to replace the battery in your key fob by visiting a hardware store, big-box retailer or locksmith. However, you must check that the locksmith or dealer can program replacement keys for the model you have chosen. How to replace a Battery If the LED indicator light dims and you are unable to activate Smart Access or push-button starting it's time to replace the Lexus key fob. The procedure is simple and can be completed in the comfort of your Guaynabo home. Follow these easy steps provided by Shottenkirk Desert Lexus to get back on the road quickly. Make sure that your hands and area of work are completely dry. Moisture could cause the battery to get rusty. Use flatheads to open the cover of the key fob. If you want to avoid scratches, cover the tip of the screwdriver in tape. After the mechanical key has been removed then you can remove the battery that was in use and replace it with an alternative one. Make sure you put in the new battery with the positive (+) side facing upwards. Install the electronic module, and then snap back the fob cover. If you require assistance with your key fob the service technicians at Shottenkirk Desert Lexus are available to assist. We also provide Key Replacement Protection, available when you buy or lease a new Lexus vehicle. This warranty covers fobs and keys that are replaced and programming needed to synchronize these with your vehicle's security system. Click HERE to learn more about this useful feature or contact our customer service team. How to activate Battery-Saving Mode A Lexus keyfob is a sophisticated piece of technology that lets you to lock or unlock your doors, and start your ignition by pressing a button. It is equipped with hardware that sends signals to the vehicle, e.g. to automatically reduce the windows. The battery inside your Lexus key fob will eventually wear out. It is crucial to replace the battery as soon as you can in order to avoid it from compromising its function. If you're not likely to be using your Lexus key fob for a few weeks you can turn on the battery-saving mode in order to limit battery depletion. Press and hold the LOCK key while pressing UNLOCK button twice. The electronic indicator will flash four times and your Lexus keyfob is now on battery saving mode. To restart the start-up button and Smart Access features, simply press any of the buttons on the fob. Switching the battery on your Lexus key fob is a simple task that doesn't require special tools. Make sure that your hands are completely dry to reduce the risk of moisture rusting the new battery. Then, locate the small button on the side of your key fob that releases the emergency key blade stored inside. Press the release button to take off the mechanical key. Slide the new battery into position with its plus-side facing upwards. How to turn off your key Fob The key fob you have might appear rather simple, but it's packed with advanced technology. It allows you to lock and unlock doors, as well as open the trunk, of your Lexus IS 2021 without ever having to take the key out of your pocket. But it also has hidden functions that may surprise you. For example, the key fob's panic button can help you find your car in a parking garage, according to Consumer Reports. RepairPal states that the loud noise could also discourage thieves. It's a good idea to keep one in your wallet or purse in case of need. Some vehicles even let you start your engine using an electronic key fob that you can use in chilly weather, Consumer Reports notes. Simply hold the lock button on the key fob for 10 seconds to activate this feature. (A note of caution: This feature may not work with all vehicles, so make sure you check your owner's manual.) You can replace your key fob or car keys by contacting the locksmith service or a dealer. It is essential to seek the correct assistance to ensure that your replacement key or fob is as good as the original. You'll need to make sure that the locksmith you hire has the correct key blanks and knows how to program them in a way that is appropriate for your car. How do I replace the Key Blade The latest high-tech key fobs are more secure than ever. With the touch of an button, they are able to unlock or lock and even start automobiles. All this technology is not free. A replacement key fob can cost anywhere from between $200 and $500, and having it programmed by a dealer could cost more. Fortunately replacement of the battery in the majority of fobs is fairly inexpensive and simple. To replace the battery in a Lexus key fob, you must first use a flathead screwdriver to pop open the fob. Wrap the tip of the flathead screwdriver in tape prior to using it to avoid scratching plastic. Remove the electronic key module that is covering the battery prior to taking off the old battery. Then put a new CR2032 battery in its place, with the plus side facing up. lexus car key should be re-snapped on and then replace the cover for the key fob. You can prolong the battery life of your keyfob by keeping it at least 3 feet from magnetic appliances, such as laptops, televisions, and cell phones. The battery-saving mode is 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.