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How to Do a Lexus Key Fob Replacement There are a few points that every Lexus owner should know. The car will eventually require a new one, whether you use a conventional key to turn the ignition on or an advanced push-to-start. Replacing the battery in your key fob is easy and can be done at a hardware store, locksmith or big-box retailer. However, you must verify that the locksmith dealer can program replacement keys to your particular model. How to Replace a Battery If the indicator light on the LED dims and you are unable to activate Smart Access or push-button starting the process, it's time to replace the Lexus key fob. Fortunately, the process is simple and can be done from the comfort of your Guaynabo-area home. Follow these easy steps provided by Shottenkirk Desert Lexus to get back on the road swiftly. Make sure your hands and work area are completely dry. Moisture can cause the new battery to become rusty. Use an open-ended screwdriver to remove the cover of the key fob. If you want to protect yourself from scratches, wrap the edge of your screwdriver with tape. After the mechanical key is removed, you can remove the old battery and replace it with a brand new one. Make sure you insert the new battery with the positive (+) side facing upwards. Reinstall the electronic module and snap back the cover of the fob. Be aware that if you're having trouble with your key fob and require assistance, the skilled service technicians at Shottenkirk Desert Lexus can assist you. We are also proud to provide Key Replacement Protection when you purchase or lease an Lexus vehicle. This warranty covers fobs and replacement keys as well as the programming required to connect them to your vehicle's security system. Click HERE to learn more about this important feature or contact our customer support team. How do I activate the battery-saving mode? A Lexus key fob is an incredibly sophisticated piece of technology that allows you to lock and unlock your doors and start your push-button ignition. It contains hardware that sends signals for your vehicle to do things like automatically roll down the windows. In time the battery in your Lexus key fob can become low, and it's important to replace it as quickly as possible to avoid compromising the functionality of this crucial device. If you're going to not be using your Lexus key fob for several weeks you can turn on the battery-saving mode to minimize the depletion of your battery. Press and hold the LOCK key while pressing the UNLOCK key twice. The LED 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. Changing the battery in your Lexus key fob is a simple task that doesn't require special tools. Make sure that your hands are completely dry to avoid the possibility of moisture rusting your new battery. Locate the small button located on the back of the key fob. The button lets go of the emergency blade that is stored inside. Press the release button to take out the mechanical key. Next, slide the new battery in with its plus side facing up. How to Turn Off Your Key Fob The key fob you have might appear to be simple, but it's stuffed with advanced technology. It lets you lock and unlock doors, as well as access the trunk of your Lexus IS 2021 without ever taking your key from your pocket. It also has some secret features that you could be surprised by. For instance, the key fob's panic button can help you locate your car in a parking garage, says Consumer Reports. RepairPal says that the loud sound can also discourage thieves. Keep one in your wallet and purse in case of need. Some cars let you start your engine using a remote key fob in cold weather, Consumer Reports notes. Simply press the lock button on the key fob for 10 seconds to activate this feature. (A note of caution: this feature won't work on all vehicles, so be sure you check your owner's manual.) You can replace your key fob or car keys by contacting an auto locksmith or a dealer. It's important to get the correct assistance to ensure that your new key or fob functions exactly like the original. You'll need to make sure that the locksmith you select has the correct key blanks, and can program the correct keys for your vehicle. How do I replace the Key Blade Modern day key fobs with high-tech technology are more powerful than ever before. With a click of a button, they can unlock the door, lock it, and even start vehicles. All this technology isn't free. A replacement key fob could cost between $200 and $500. Programming lexus car keys at a dealer can cost more. The battery is easily and inexpensively replaced in most fobs. To replace the Lexus keyfob battery Use a flathead tool to pry the fob open. Wrap the tip of the screwdriver's flathead with tape prior to using it to avoid scratching the plastic. Remove the electronic key module that is covering the battery prior to taking off the old one. Put a new CR2032 in its place, with the positive side facing up. Snap the electronic module back on, and then replace the cover for the key fob. There are several things you can do to prolong the lifespan of your key fob's battery by keeping it away from electrical appliances that generate magnetic fields, such as laptops, televisions, cell phones and battery chargers. The battery-saving mode is activated by pressing the UNLOCK and LOCK buttons two times while holding the LOCK button. The electronic indicator on the key will blink four times to confirm the battery-saving settings. Press any button on your key fob to resume using the Smart Access System or Push Button Start.