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How to Do a Lexus Key Fob Replacement There are some things that every Lexus owner should know. If you have a traditional key that rotates in the ignition or a smart push-to-start key, your car will need a new battery at some point. It is easy to replace the battery in your key fob at a hardware retailer, big-box retailer, or locksmith. It is essential to ensure that the locksmith can make replacement keys for your specific model. How to Replace the Battery If the indicator light on the LED dims and you can't activate Smart Access or push-button starting, it is time to replace the Lexus key fob. The procedure is simple and can be carried out at the comfort of your Guaynabo home. Follow these easy steps provided by Shottenkirk Desert Lexus to get back on the road quickly. Make sure your hands and work area are dry. Moisture can cause the battery to be rusty. Use a flathead to open up the cover of the key fob. If you want to protect yourself from scratches, wrap the edge of your screwdriver in a piece of tape. Once the mechanical part is removed, you can take out the old battery and install the new one. Install the new battery in a way that the positive (+) face is facing up. Then, you can reinstall the electronic key module and snap the cover back in place. If you need assistance with your key fob, the technicians who service your key at Shottenkirk Desert Lexus are available to help. We also provide 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 to synchronize these with your vehicle's security system. Click HERE to learn more about this important feature or contact our customer service team. How do I activate battery-saving mode? A Lexus key fob is a highly sophisticated piece of technology that allows you to lock and unlock your doors and start your ignition with a push button. It is equipped with hardware that sends signals to the vehicle, e.g. to automatically roll down your windows. Over time the battery in your Lexus key fob could become low, and it's important to replace it as quickly as you can in order to not compromise the function of this vital device. If you're not planning to use your Lexus key fob for several weeks, you can activate battery-saving mode to reduce battery depletion. To turn it on, press and hold the LOCK button while pressing the UNLOCK key twice. lexus car key on the electronic will blink four times and your Lexus key fob 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 minimize the risk of getting rusty, make sure your hands and new battery are clean. Find the small button on the side of your key fob. This button releases the emergency key blade inside. Press the release button to take out the mechanical key. Next you'll need to slide the new battery in with its plus side facing up. How to turn off your key Fob It might seem easy it's not, but the technology is extremely sophisticated. It allows you to lock and unlock doors as well as open the trunk of your 2021 Lexus IS without ever having to take the key out of your pocket. But it's also got some extra features that may be surprising you. Consumer Reports says that the panic button on your key fob may help you locate your car in a parking garage. RepairPal reports that the booming noise could also dissuade thieves. It's a good reason to keep one in your purse or wallet in case of need. Some cars allow you to start your engine with a remote key fob in chilly weather, Consumer Reports notes. Hold the button for 10 seconds on the key fob to activate this feature. Be aware that this feature may not work with all vehicles. Check your owner's guide. You can replace your fob for keys or car keys through a dealer or locksmith service. But it's important to have the correct assistance to ensure that the new key or fob is correctly coded and functions just like the original. For instance, you'll want to ensure that the locksmith you hire has the right key blank and can program it correctly for your specific vehicle. How to Replace the Key Blade The high-tech key fobs of today are more robust than ever. They unlock vehicles, lock them and even start them with the press of a button. However all this technology comes with the cost of. A replacement key fob may cost between $200-$500. If you have it programmed by a dealer may cost even more. The battery is easily and inexpensively replaced in most fobs. To replace the battery inside a Lexus key fob, you must first make use of a flathead screwdriver to unlock the fob. Wrap the blade of the screwdriver's flathead in tape before you use it to prevent scratching the plastic. Remove the electronic key module that covers the battery prior to removing the old one. Then, place a new CR2032 battery in its place, with the plus side 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 your key fob's battery for example, keeping it 3 feet away from electrical appliances that produce a magnetic field, like 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 key. The indicator on the electronic key will flash four times to ensure that the battery-saving mode is activated. To restart the use of your Smart Access System and Push Button Start, press any button on the key fob.