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How to Do a Lexus Key Fob Replacement There are a few things that every Lexus owner needs to know. No matter if you have a conventional key that turns in the ignition or a smart, push-to-start key, your car will require a new battery at some point. Replacing your key fob battery is relatively easy and can be accomplished at an hardware store, locksmith or a big-box retailer. But, it is important to make sure that the locksmith or dealer can make replacement keys for your particular model. How do I replace the battery? If the LED indicator light becomes dim and you can't use the push-button start feature or Smart Access, it's time to replace your Lexus key fob battery. The process is easy and can be completed in the comfort of your Guaynabo home. Follow these easy instructions by Shottenkirk Desert Lexus to get back on the road as quickly as possible. Make sure that your hands and the area you work in are dry. Moisture can cause the battery to be rusty. Then make use of a flathead screwdriver for opening the cover of the key fob. Cover the tip of your screwdriver in tape to protect it from scratches. Once the mechanical key has been removed from the screwdriver, you can then remove the old battery and install an alternative one. Place the new battery in such a way that the positive (+) face is facing up. Install the electronic module, and then snap back the fob cover. If you need assistance with your key fob, the service technicians at Shottenkirk Desert Lexus are available to help. We also offer Key Replacement Protection, available when you buy or lease a brand new Lexus vehicle. This warranty covers fobs and replacement keys as well as programming required to synchronize these with your vehicle's security system. Click HERE to find out more about this important feature or contact our customer support team. How do I activate the Battery-Saving Mode A Lexus keyfob is a nifty piece of technology which allows you to lock or unlock your doors and start the ignition using a push button. It has hardware that sends signals to the vehicle, e.g. to automatically roll down your windows. The battery in your Lexus key fob will eventually go out. It is essential to replace the battery as quickly as you can in order to avoid it from affecting its function. If you're not likely to be using your Lexus key fob for a few weeks it is possible to activate the battery-saving mode in order to limit the amount of battery left. To turn it on, press and hold the LOCK button while pressing the UNLOCK button twice. The LED will flash four times and your Lexus key fob is now in battery-saving mode. To reactivate the push-button start and Smart Access features, simply press any of the buttons on your fob. It's simple to change the battery in your Lexus Key Fob with no special tools. Start by making sure your hands are dry to decrease the chance of moisture rusting the new battery. Locate the small button located on the back of the key fob. The button lets go of the emergency blade kept inside the. Remove the mechanical key by pressing the release button. Then, slide the new battery into place with its plus side facing upwards. How to switch off the key fob on your phone? Your key fob could appear rather simple, but it's stuffed with sophisticated technology. It lets you lock and unlock doors as well as access the trunk of your 2021 Lexus IS without ever having to remove the key from your pocket. It also comes with some hidden functions that you'll be surprised by. For instance the key fob's panic button can help you find your car in a crowded parking garage, according to Consumer Reports. RepairPal reports that the booming sound can also discourage thieves. It's a good idea to keep one in your purse or wallet in case of need. Consumer Reports says that some automobiles will allow you to start your car using remote fobs in cold weather. Press the button for 10 seconds on the key fob to enable this feature. (A note of caution: This feature does not work on all vehicles, so make sure to check your owner's manual.) You can replace the fob of your key or car keys with an authorized locksmith or dealer. It's crucial to seek out the right help in order to ensure that your new key or fob functions as the original. For instance, you'll want to make sure the locksmith you choose has the correct key blank and can program it properly for the specific vehicle you have. How to Replace the Key Blade Key fobs that are high-tech today are more robust than ever. They unlock vehicles, lock them and even start them with the push of a button. However, all this technology comes with an expense. Buying a replacement key fob can cost anywhere from $200 to $500, while getting it programmed by a dealer can cost even more. Fortunately that replacing the battery in most fobs is inexpensive and simple. To replace the Lexus keyfob battery, use a flathead to pry open the fob. If you want to avoid scratching the plastic, cover the tip of the screwdriver with tape prior to using it. Take off the electronic key module that covers the battery before taking out the old one. Then, place a new CR2032 battery in its place with the plus side facing upwards. key for lexus should be snapped back on and put the key fob cover back in place. There are a few ways you can prolong the lifespan of the battery in your key fob and that includes keeping it 3 feet away from electrical appliances that produce magnetic fields, such as laptops, TVs, cell phones, and battery chargers. You can also turn on the battery-saving mode by holding down the LOCK button, and then pressing the UNLOCK button two times. The electronic indicator on the key will flash four times to confirm that the battery-saving mode is activated. Press any button on your key fob to resume using the Smart Access System or Push Button Start.