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How to Do a Lexus Key Fob Replacement There are a few things every Lexus owner needs to know. No matter if you use a conventional key that turns in the ignition or a smart push-to-start key, your vehicle will require a new battery sooner or later. Replacing the battery in your key fob is easy and can be accomplished at an hardware store, locksmith or a big-box retailer. However, you must make sure that the locksmith or dealer can create replacement keys for your particular model. How to replace a Battery When the LED indicator light gets dim and you're unable to activate push-button start or Smart Access, it's time to replace the Lexus key fob battery. The procedure is simple and can be performed at your own convenience in your Guaynabo home. Follow these easy instructions by Shottenkirk Desert Lexus to get back on the road as quickly as possible. Make sure your hands and the area you work in are completely dry. Moisture can cause the new battery to be rusty. Then make use of the flathead screwdriver to break the key fob cover. If you want to avoid scratches, wrap the edge of your screwdriver with tape. After the mechanical key has been removed, you can take out the battery that was in use and replace it with a brand new one. Insert the new battery so that the positive (+) face is facing upwards. Then, reinstall the electronic key module and then snap the cover back in position. If you require assistance with your key fob, the technicians who service your key at Shottenkirk Desert Lexus are available to assist. We're also pleased to offer Key Replacement Protection, available when you purchase or lease a new Lexus vehicle. This warranty covers replacement keys and fobs and the programming required to connect them to the vehicle's immobiliser system. Click HERE to learn more about this useful feature or contact our customer support team. How to Activate Battery-Saving Mode A Lexus key fob is an incredibly sophisticated piece of technology that allows you to lock and unlock your doors as well as start your ignition with a push button. It's got hardware that transmits signals to the vehicle, e.g. to automatically lower your windows. As time passes the battery in your Lexus key fob can become low, and it's vital to replace it as quickly as you can to ensure that you don't compromise the function of this vital device. If you're not planning to be using your Lexus key fob for a couple of weeks it is possible to activate the battery-saving mode to reduce the loss of battery. To turn it on you need to press and hold the LOCK button while pressing the UNLOCK key twice. The electronic indicator will flash four times and your Lexus keyfob is now on battery saving mode. To restart the start button and Smart Access features, simply press any of the buttons on the fob. The battery replacement in your Lexus key fob is an easy task that doesn't require special tools. Begin by making sure your hands are dry to minimize the chance of moisture rusting your new battery. Locate the small button located on the left side of the key fob. This button opens the emergency blade stored inside. The mechanical key is removed by pressing the release button. 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 rather basic, but it's actually packed with advanced technology. It allows you to lock and unlock doors and open the trunk of your 2021 Lexus IS without ever having to take the key out of your pocket. But it also has secret functions that might surprise you. For example the panic button on your key fob could help you locate your car in a congested parking garage, according to Consumer Reports. The enthralling sound can also make thieves nervous, according to RepairPal. It's a great reason to keep one in your wallet or purse just in case. Some vehicles even let you start your engine using a remote key fob even in cold weather, Consumer Reports notes. Simply press the lock button on the key fob for 10 seconds to activate this feature. Be aware that this feature might not work with all vehicles. Review the owner's manual. If you've lost your car keys, or your fob has been damaged, you can have it replaced by either the dealer or a locksmith service. However, it is essential to have the correct assistance to ensure that the new key or fob is correctly coded and functions just like the original. You'll want to ensure that the locksmith you choose has the right key blanks, and can program them properly for your vehicle. How to replace the Key Blade The modern-day key fobs today are more powerful than they have ever been. They unlock cars, lock them, and even allow them to start with the push of a button. However, all this technology comes at a cost. A replacement key fob costs between $200 and $500, and getting it programmed by a dealer may run even more. Fortunately, replacing the battery in the majority of fobs is affordable and easy. To replace the Lexus keyfob battery Use a flathead tool to pry open the fob. Wrap the tip of the flathead screwdriver in tape prior to using it to avoid scratching the plastic. If there is an electronic key module covering the battery, remove it before removing the old one. Install a new CR2032 in its place and place it with the positive side facing up. lexus replacement key fob G28 Car Keys -attach the electronic module on and then replace the cover for the key fob. There are some ways you can prolong the lifespan of your key fob's battery and that includes keeping it 3 feet away from electrical appliances that generate magnetic fields, such as laptops, TVs, 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 electronic key indicator will flash four times to confirm that the battery-saving mode has been set. Press any button on your key fob to restart using the Smart Access System or Push Button Start.