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How to Do a Lexus Key Fob Replacement There are some things that every Lexus owner should be aware of. If you have a traditional key that turns in the ignition or a smart, push-to-start key, your vehicle will need a new battery eventually. It is easy to replace the battery on your key fob at a hardware retailer, big-box retailer, or locksmith. It is essential to ensure that the locksmith has the ability to make replacement keys for the model you have. How to Replace a Battery When the indicator light for the LED is dim and you are unable to switch on push-button start or Smart Access, it's time to replace your Lexus key fob battery. The process is easy and can be performed at your own convenience in your Guaynabo home. Follow these simple steps offered by Shottenkirk Desert Lexus to get back on the road swiftly. Make sure that your hands and area of work are dry. Moisture can cause the new battery to be rusty. Use flatheads to open the cover of the key fob. If you want to avoid scratches, wrap the tips of the screwdriver in tape. Once the mechanical part is removed from the screwdriver, you can then remove the battery that was in use and replace it with a new one. Make sure that you put in the new battery with the positive (+) side facing up. Then, you can reinstall the electronic key module and secure the fob cover back in the correct position. If you need assistance with your key fob the technicians who service it at Shottenkirk Desert Lexus are available to assist. We're also pleased to provide 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 for synchronizing them with your vehicle's security system. To find out TheKeyLab , click HERE or contact our service department. How do I 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 then start your ignition with a push button. It contains hardware that sends signals to your vehicle to do things like automatically roll down the windows. In time the battery inside your Lexus key fob can become low, and it's vital to replace it as soon as you can in order to not compromise the functionality of this crucial device. If you're not going to use your Lexus key fob for several weeks it is possible to activate the batteries-saving mode to prevent the depletion of your battery. Press and hold the LOCK key while pressing UNLOCK button twice. The indicator on the electronic 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 the fob. Change the battery in your Lexus key fob is a simple task that doesn't require any special tools. Start by ensuring that your hands are dry to avoid the possibility of moisture rusting your new battery. Find the small button on the side of your key fob. It lets you release the emergency key blade inside. Press the release button to take off the mechanical key. Slide the new battery into place with its plus-side facing up. How to Turn Off Your Key Fob It may appear simple It may appear simple, but the technology is quite sophisticated. It lets you lock and unlock doors and open the trunk of your 2021 Lexus IS without ever having to remove the key from your pocket. It also has a few hidden functions that you may be surprised by. Consumer Reports says that the panic button on your key fob can assist you in finding your car in the parking garage. RepairPal reports that the loud sound can also discourage thieves. It's a good idea to keep one in your wallet or purse just in case. Consumer Reports says that some vehicles will allow you to start your car by using a remote fob during cold weather. Simply press the lock button on the key fob for 10 seconds to activate this feature. (A note of caution: This feature doesn't work with all vehicles, so make sure you check your owner's manual.) You can replace your fob for keys or car keys with the locksmith service or a dealer. It's essential to get the right help to ensure that the replacement key or fob has been properly programmed and functions exactly like the original. It is essential to ensure that the locksmith you choose has the correct key blanks and knows how to program the correct keys for your vehicle. How to replace the Key Blade Key fobs that are high-tech today are more efficient than ever. With the touch of one button, they can unlock the door, lock it, and even start vehicles. This technology isn't free. Buying a replacement key fob is priced at around $200-$500, and getting it programmed by a professional dealer can cost even more. The battery is easily and inexpensively replaced in the majority of fobs. To replace the battery on the Lexus key fob, first make use of a flathead screwdriver to pop open the fob. Wrap the edge of the flathead screwdriver in tape prior to using it to prevent scratching the plastic. Remove the electronic key module that is covering the battery prior to taking off the old battery. Replace it with a brand new CR2032 in its place in a positive position, with the positive facing upwards. Connect the electronic module on, and then replace the cover for the key fob. There are a few ways you can extend the life of the battery in your key fob and that includes keeping it 3 feet away from electrical appliances that generate magnetic fields, such as laptops, TVs, cell phones, and battery chargers. The battery-saving mode is activated by pressing the UNLOCK and LOCK buttons two times while holding the LOCK key. The electronic indicator on the key will flash four times to confirm that the battery-saving mode is activated. To resume the use of your Smart Access System and Push Button Start, press any button on the key fob.