How to Do a Lexus Key Fob Replacement
There are a few things every Lexus owner needs to know. Whether you drive a conventional key that turns on the ignition or a smart, push-to-start key, your vehicle will require a new battery at some point.
The process of replacing your key fob's battery is relatively easy and can be accomplished at the hardware store, locksmith or a big-box retailer. Make sure that the locksmith can make replacement keys for the model you have.
How do you replace a battery
If the LED indicator light goes out of focus and you're unable activate push-button start or Smart Access, it's time to replace the Lexus key fob battery. The procedure is simple and can be performed from the comfort of your Guaynabo home. Just follow these simple instructions from Shottenkirk Desert Lexus and you'll be back on the road in just a few minutes.
Make sure that your hands and area of work are completely dry. Moisture could cause the battery to become rusty. Use flatheads to open the cover of the key fob. If you want to avoid scratches, cover the tip of your screwdriver in tape. Once the mechanical part is removed, you can take out the old battery and replace it with an alternative one. Make sure to put in the new battery with the positive (+) side facing upwards. Then, reinstall the electronic key module and snap the fob cover back in place.
If you need assistance with your key fob the service technicians at Shottenkirk Desert Lexus are available to help. We also provide Key Replacement Protection when you purchase or lease a Lexus vehicle. This warranty offers fobs and keys that can be replaced along with the necessary programming required for synchronization with the vehicle's immobiliser system. Click HERE to find out more about this valuable addition or contact our customer service team.
How do I activate the battery-saving mode?
A Lexus key fob is an incredibly sophisticated piece of technology that lets you to lock and unlock your doors, as well as start your ignition with a push button. It contains hardware which sends signals to the vehicle, e.g. to automatically open your windows. As time passes the battery inside your Lexus key fob could become low, and it's essential to replace it as quickly as you can to ensure that you don't compromise the function of this vital device.
If you won't be using your Lexus Key Fob for a few weeks, you can activate the battery-saving mode. This will minimize the drain on your battery. To turn it on you need to press and hold the LOCK button while pressing the UNLOCK button three times. The indicator on the electronic will flash four times, and your Lexus key fob is now in battery-saving mode. To restart the start-up button and Smart Access features, simply press any of the buttons on the fob.
It's simple to replace the battery on your Lexus Key Fob with no special tools. To minimize the risk of corrosion, ensure that your hands and the new battery are dry. Find the small button on the left side of the key fob. This button releases the emergency blade stored inside. Push the release button, and take off the mechanical key. Slide the new battery into place with its plus side facing up.
How to turn off your key Fob
The key fob you have might appear quite basic, but it's actually packed with advanced technology. It lets you lock and unlock doors and 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.
Consumer Reports says that the panic button on your key fob can aid you in finding your car in the parking garage. The loud, enticing sound could scare off thieves, reports RepairPal. Keep one in your wallet or purse in case of emergency.
Some cars let you start your engine with the remote key fob during cold weather, Consumer Reports notes. Press the button for 10 seconds on the fob to activate this feature. (A note of caution: This feature doesn't work with all vehicles, so be sure to check your owner's manual.)
You can replace your key fob or car keys by contacting a dealer or locksmith service. lexus car key replacement to get the right assistance to ensure that the replacement key or fob functions exactly like the original. You'll need to ensure that the locksmith you choose has the correct key blanks and knows how to program them in a way that is appropriate for your car.
How do I replace the Key Blade

Today's high-tech key fobs are more powerful than ever before. By pressing the button, they're able to unlock or lock, and start cars. This technology isn't free. A replacement key fob may cost between $200-$500. If you have it programmed by a dealer may cost even more. Fortunately that replacing the battery on most fobs is inexpensive and simple.
To replace the battery in the Lexus key fob, first use a flathead screwdriver to pop open the fob. Wrap the edge of the screwdriver's flathead in tape prior to using it to avoid scratching the plastic. Take off the electronic key module that is covering the battery prior to taking off the old one. Then, put a brand new CR2032 battery in its place, with the plus side facing upwards. Re-attach the electronic module on and then replace the cover for the key fob.
You can extend the battery life of your keyfob by keeping it at least 3 feet away from magnetic devices like laptops, televisions, and cell phones. You can also enable the battery-saving mode simply by pressing the LOCK button, and then pressing the UNLOCK button two times. The electronic key indicator will blink four times to confirm that the battery-saving setting is in place. Press any button on your key fob to resume using the Smart Access System or Push Button Start.