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How to Do a Lexus Key Fob Replacement There are a few things every Lexus owner should be aware of. Whether you drive a conventional key that rotates in the ignition or a smart push-to start key, your car will require a new battery eventually. It is simple to replace the battery in your key fob by visiting a hardware retailer, big-box retailer, or locksmith. However, you must make sure that the locksmith or dealer can program replacement keys for your particular model. How to Replace a Battery If the LED indicator light is dim and you are unable to use Smart Access or push-button starting then it's time to replace the Lexus key fob. The process is easy and can be carried out from the comfort of your Guaynabo home. Follow these simple instructions provided by Shottenkirk Desert Lexus to get back on the road in no time. First, ensure your workspace and hands are clean and dry. Incorporating water into the battery could cause it to develop rust. Then you can use the flathead screwdriver to break the cover of the key fob. If you want to avoid scratches, cover the tip of your screwdriver in a piece of tape. Once the mechanical key is removed then 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 up. Reinstall the electronic module and snap back the cover of the fob. Remember, that if you're having trouble with the key fob you have and need assistance, the skilled service technicians at Shottenkirk Desert Lexus can assist you. We also offer Key Replacement Protection when you purchase or lease or lease a Lexus vehicle. This warranty covers fobs and keys that are replaced as well as the programming required for synchronizing them with your vehicle's security system. To learn more about this essential addition, click HERE or contact our support team. How do you activate the battery-saving mode? A Lexus keyfob is a nifty piece of technology which 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. The battery in your Lexus key fob will eventually go out. It is essential to replace the battery as soon as you can to prevent it from compromising the function. If you're going to not use your Lexus key fob for a couple of weeks You can switch on battery-saving mode in order to limit the amount of battery left. Press and hold the LOCK key while pressing the UNLOCK twice. The LED will blink four times and your Lexus keyfob will be in battery saving mode. To reactivate the push-button start and Smart Access features, simply press any of the buttons on your fob. Change the battery in your Lexus key fob is a fairly simple task that doesn't require special tools. To prevent corrosion, ensure that your hands and the new battery are completely dry. Find the small button on the side of your key fob. It releases the emergency key blade inside. Take the mechanical key out by pressing the release button. Next take the new battery into place with its plus side facing upwards. How do you switch off your key fob The key fob may appear quite simple, but it's stuffed with advanced technology. It lets you lock and unlock doors as well as open the trunk of your 2021 Lexus IS without ever having to remove the key from your pocket. But it's also got some hidden functions that may surprise you. For instance, the key fob's panic button can help you locate your car in a busy parking garage, says Consumer Reports. RepairPal says that the loud noise can also discourage thieves. This is a good reason to keep one in your wallet or purse just in case. Consumer Reports says that some automobiles will allow you to start your car by using remote fobs in cold weather. Simply press replacement lexus keys on the key fob for 10 seconds to activate this feature. (A note of caution: this feature won't work with all vehicles, so be sure you check your owner's manual.) You can replace your key fob or car keys with a dealer or locksmith service. It's essential to get the correct assistance to ensure that the replacement key or fob functions as the original. You'll want to ensure that the locksmith you hire has the correct key blanks, and can program them in a way that is appropriate for your car. How do I replace the Key Blade Modern day key fobs with high-tech technology are more efficient than ever. By pressing the button, they're able to unlock, lock, and even start automobiles. However all this technology comes with an expense. A replacement key fob could cost between $200-$500. Having it programmed at a dealer might cost more. Fortunately that replacing the battery on most fobs is inexpensive and easy. To replace the Lexus keyfob battery, use a flathead to pry open the fob. If you'd like to prevent scratching the plastic, wrap the tip of the screwdriver with tape before using it. Remove the electronic key module that covers the battery before removing the old battery. Place a new CR2032 in its place in a positive position, with the positive facing upwards. Snap the electronic module back on and then replace the key fob cover. There are some ways you can extend the life of the battery in your key fob, such as keeping it at least three feet from electrical appliances that create a magnetic field, like laptops, TVs and cell phones and battery chargers. You can also enable the battery-saving mode by pressing the LOCK button, and then pressing the UNLOCK button twice. The key indicator's electronic display will blink four times to confirm the battery saving setting. Press any button on your key fob to restart using the Smart Access System or Push Button Start.