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How to Do a Lexus Key Fob Replacement There are a few things that every Lexus owner should know. Your car will eventually require a new key, whether you are using a conventional key to turn the ignition on or an intelligent push-to start. It is simple to replace the battery in your key fob at a hardware store, 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 When the LED indicator light is dim and you are unable to use the push-button start feature or Smart Access, it's time to replace the Lexus key fob battery. The process is simple and can be done from the comfort of your Guaynabo-area home. Follow these easy steps from Shottenkirk Desert Lexus and you'll be back on the road in short time. First, make sure your workspace and hands are completely dry – introducing water into the battery could cause it to get rusty. Use flatheads to open 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, you can remove the old battery and replace it with a new one. Place the new battery in such a way that the positive (+) face is facing upwards. Then, reinstall the electronic key module and secure the fob cover back into its place. If you require assistance with your key fob, the service technicians at Shottenkirk Desert Lexus are available to assist. We also offer Key Replacement Protection when you purchase or lease an Lexus vehicle. This warranty provides fobs and keys for replacement along with the programming required to synchronize them with your vehicle's immobiliser. Click HERE to find out more about this important feature or contact our customer service team. How to Activate Battery-Saving Mode A Lexus keyfob can be described as a sophisticated piece of technology which allows you to lock or unlock your doors and also to turn on your ignition with a push button. It's got hardware that transmits signals to your vehicle to perform things like automatically roll down the windows. Over time the battery in your Lexus key fob can become low, and it's essential to replace it as soon as you can to ensure that you don't compromise the purpose of this vital device. If you won't be using your Lexus Key Fob for several weeks, you can activate the battery-saving mode. This will help reduce the drain on your battery. Press and hold the LOCK key while pressing the UNLOCK twice. The indicator on the electronic will flash four times and your Lexus key fob is now in battery-saving mode. To activate the start button and Smart Access features, simply press any of the buttons on your fob. The battery replacement in your Lexus key fob is an easy task that doesn't require special tools. To reduce the chance of corrosion, ensure that your hands and the new battery are clean. Then, locate the small button on the side of your key fob. This button allows you to release the emergency key blade stored inside. Release the button and take off the mechanical key. Slide the new battery in with its plus-side facing forward. How to turn off your key fob Your key fob could appear quite simple, but it's packed with advanced technology. It allows you to lock and unlock doors as well as access the trunk of your 2021 Lexus IS without ever having to take the key out of your pocket. lexus spare key has a few hidden functions that you'll be surprised by. For example the panic button on your key fob can help you find your car in a parking garage, according to Consumer Reports. The loud, enticing sound could deter thieves, according to RepairPal. Keep one in your wallet and purse in case of emergency. Consumer Reports says that some cars allow you to start your car with a remote fob during cold weather. Simply hold the lock button on the key fob for 10 seconds to activate this feature. (A note of caution: This feature does not work with all vehicles, so be sure you check your owner's manual.) If you've lost your car keys or if your fob for keys is damaged, you can get it replaced through either the locksmith service or the dealer. It's crucial to get the correct assistance to ensure that the replacement key or fob is correctly programmed and functions exactly like the original. You'll want to ensure that the locksmith you select has the correct key blanks and is able to program the correct keys for your vehicle. How to Replace the Key Blade The modern-day key fobs today are more powerful than ever. They unlock cars, lock them and even start them at the push of a button. However, all this technology comes with costs. A replacement key fob could cost between $200 to $500. The programing process at an authorized dealer could cost more. Fortunately that replacing the battery in the majority of fobs is affordable and easy. To replace the battery inside a Lexus key fob, first make use of a flathead screwdriver to pop open the fob. If you'd like to prevent scratching the plastic, cover the tip of the screwdriver using tape before using it. If there is an electronic key module that is covering the battery, take it off before taking out the old one. Put a new CR2032 in its place with the positive side facing upwards. Snap the electronic key module back on, and place the key fob cover plate back in its place. You can extend the battery life of your keyfob by keeping it at least 3 feet away from magnetic devices, such as laptops, televisions, and cell phones. The battery-saving mode is activated by pressing the UNLOCK and LOCK buttons two times while holding the LOCK button. The key indicator's electronic display 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.