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How to Do a Lexus Key Fob Replacement There are some things that every Lexus owner needs to know. No matter if you have 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 change the battery on your key fob at a hardware retailer, big-box retailer, or locksmith. But, you should check that the locksmith or dealer can program replacement keys for your particular model. How to replace a Battery When the LED indicator light goes out of focus and you're unable switch on push-button start or Smart Access, it's time to replace your Lexus key fob battery. The process is easy and can be completed from the comfort of your home in Guaynabo. Follow these simple instructions from Shottenkirk Desert Lexus and you'll be back on the road in short time. First, ensure that your hands and workspace are completely dry – introducing water into the battery could cause it to get rusty. Use an open-ended screwdriver to remove the cover of the key fob. Wrap the tip of the screwdriver with tape to prevent scratches. Once the mechanical key has been removed and the battery is removed, you can remove the old battery and replace it with the new one. Make sure that you insert the new battery with the positive (+) side facing upwards. Install the electronic module, and snap back the fob cover. If you require assistance with your key fob, the technicians at Shottenkirk Desert Lexus are available to assist. We're also proud to provide Key Replacement Protection, available when you lease or purchase a new Lexus vehicle. lexus rx400h key replacement provides fobs and keys that can be replaced along with the necessary programming required for synchronization with the vehicle's immobiliser system. Click HERE to find out more about this useful feature or contact our customer support team. How do I activate the battery-saving mode? A Lexus keyfob can be described as a sophisticated piece of technology that allows you to lock or unlock your doors and then start the ignition using a push button. It is equipped with hardware that sends signals to the vehicle, e.g. to automatically reduce the windows. Over time, the battery in your Lexus key fob could become low, and it's vital to replace it as soon as you can in order to not compromise the function of this crucial device. If you aren't going to use your Lexus Key Fob for a couple of weeks, you can turn on the battery-saving mode. This will help reduce the drain on your battery. Press and hold the LOCK key while pressing UNLOCK twice. The electronic indicator will blink four times, and your Lexus keyfob is now in battery saving mode. Press any button on your key fob to activate Smart Access and push-button starting. Switching the battery on your Lexus key fob is an easy task that doesn't require any special tools. To reduce the chance of corrosion, ensure that your hands and the new battery are clean. Find the small button on the back of your key ring that allows you to release the emergency key blade stored inside. Remove the mechanical key by pressing the release button. Slide the new battery into place with its plus-side facing up. How to Turn Off Your Key Fob The key fob may appear quite simple, but it's packed with the latest technology. It lets you lock and unlock doors, and open the trunk, of your Lexus IS 2021 without ever having the key out of pocket. It also comes with some hidden features that you could be amazed by. For instance, the panic button on your key fob will help you locate your car in a parking garage, according to Consumer Reports. RepairPal reports that the booming sound could also dissuade thieves. Keep one in your wallet and purse in the event of an emergency. Some vehicles even let you start your engine with a remote key fob even in chilly weather, Consumer Reports notes. Hold the button for 10 seconds on the key fob to activate this feature. (A note of caution: This feature does not work with all vehicles, so make sure you check your owner's manual.) If you've lost your car keys or your fob has been damaged, you can have it replaced through either the locksmith service or a dealer. It's crucial to get the correct assistance to ensure that the replacement key or fob is properly coded and functions just like the original. For example, you'll want to ensure that the locksmith you use 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 modern-day key fobs today are more robust than ever. They unlock cars, lock them and even start them at the touch of a key. The technology isn't free. A replacement key fob may cost between $200-$500. The programing process at an authorized dealer could cost more. The battery is easily and inexpensively replaced in the majority of fobs. To replace the battery inside the Lexus key fob, first use a flathead screwdriver to remove the fob. If you'd like to avoid scratching the plastic, wrap the end of the screwdriver with tape before using it. If there is an electronic key module encasing the battery, take it off before popping out the old one. Put a new CR2032 in its place, with the positive side facing up. Snap the electronic key module back on, and place the key fob cover plate back in place. There are a few ways you can extend the lifespan of the battery in your key fob and that includes keeping it three feet away from electrical appliances that create a magnetic field, like TVs, laptops, cell phones and battery chargers. You can also turn on the battery-saving mode by holding down the LOCK button and pressing the UNLOCK key twice. The electronic indicator on the key will blink four times to confirm the battery-saving settings. To resume the use of your Smart Access System and Push Button Start, press any button on the key fob.