How to Do a Lexus Key Fob Replacement
There are a few things 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 vehicle will require a new battery sooner or later.
The replacement of your key fob's battery is relatively easy and can be accomplished at the hardware store, locksmith or big-box retailer. Always ensure that the locksmith is able to program replacement keys to your model.
How do I replace the battery?
If the indicator light on the LED dims and you cannot activate Smart Access or push-button starting then it's time to replace the Lexus key fob. The process is easy and can be carried out from the comfort of your Guaynabo-area home. Follow these simple instructions provided by Shottenkirk Desert Lexus to get back on the road in no time.
Make sure your hands and area of work are completely dry. Moisture can cause the new battery to get rusty. Use an open-ended screwdriver to remove the cover of the key fob. Wrap the top of your screwdriver in tape to prevent scratches. Once the mechanical key has been removed, you can remove the old battery and replace it with a new one. Make sure you insert the new battery with the positive (+) side facing up. Reinstall the electronic module and snap back the cover for the fob.
Remember that if you're having trouble with the key fob you have and need assistance, the knowledgeable service technicians at Shottenkirk Desert Lexus can assist you. We are also proud to provide Key Replacement Protection when you purchase or lease the Lexus vehicle. This warranty covers fobs and keys that are replaced and programming needed to synchronize these with your vehicle's security system. Click HERE to learn more about this helpful feature or contact our customer support team.
How do I activate the Battery-Saving Mode
A Lexus key fob is a highly sophisticated piece of technology that lets you to lock and unlock your doors and start your push-button ignition. It's got hardware that transmits signals to the vehicle, e.g. to automatically roll down your windows. In time, the battery in your Lexus key fob may run low, and it's crucial to replace it as soon as you can to ensure that you don't compromise the functionality of this crucial device.
If you won't be using your Lexus Key Fob for several weeks, you can turn on the battery-saving mode. This will help reduce the battery's drain. Press and hold the LOCK key while pressing UNLOCK twice. The indicator on the electronic will flash four times and your Lexus key fob is now in battery-saving mode. Press any button on your key fob in order to reactivate Smart Access and push-button starting.
It's simple to replace the battery on your Lexus Key Fob, without special tools. Begin by making sure your hands are dry to decrease the chance of moisture rusting the new battery. Then, locate the small button on the side of your key ring that opens the emergency key blade inside. Push the release button and take out the mechanical key. Next, slide the new battery into place with its plus side facing up.
How to switch off your key fob
The key fob you have might appear quite basic, but it's actually packed with sophisticated technology. It lets you lock and unlock doors, and access the trunk of your Lexus IS 2021 without ever having the key out of pocket. It also has secret functions that might surprise you.
Consumer Reports says that the panic button on your key fob could assist you in finding your car in parking garages. RepairPal states that the loud sound could also discourage thieves. Keep one in your wallet or purse in case of an emergency.

Consumer Reports says that some cars will even allow you to start your car by using remote fobs 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 make sure you check your owner's manual.)
You can replace the fob of your key or car keys through an authorized locksmith or dealer. It is essential to seek the correct assistance to ensure that the replacement key or fob functions as the original. For example, you'll want to ensure that the locksmith you select has the right 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 efficient than ever. With the touch of the button, they're able to unlock or lock and even start cars. This technology isn't free. A replacement key fob could cost between $200 to $500. If you have it programmed by a dealer might cost more. Fortunately that replacing the battery on most fobs is inexpensive and easy.
To replace the Lexus keyfob battery you will need a flathead screwdriver to pry the fob open. If you want to avoid scratching the plastic, wrap the end of the screwdriver with tape before using it. Take off the electronic key module that covers the battery prior to removing the old one. Put a new CR2032 in its place with the positive side facing upwards. The electronic key module should be snapped back on and put the key fob cover back in place.
You can extend the life of your battery keyfob by keeping it at least three feet from magnetic appliances, such as laptops, TVs and cell phones. lexus key fob replacement -saving mode can be activated by pressing the UNLOCK and LOCK buttons two times while holding the LOCK button. The electronic key indicator will flash four times in order to confirm that the battery-saving mode has been activated. To restart the use of your Smart Access System and Push Button Start, press any button on the key fob.