How to Do a Lexus Key Fob Replacement
There are some 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 need a new battery eventually.
The process of replacing your key fob's battery is quite simple and can be accomplished at a locksmith, hardware store or a big-box retailer. But, it is important to verify that the locksmith dealer can create replacement keys for the model you have chosen.
How to replace a battery
If the indicator light on the LED is dim and you are unable to use Smart Access or push-button starting it's time to replace the Lexus key fob. Fortunately, the procedure is easy and can be done at your Guaynabo-area home. Follow these easy steps from Shottenkirk Desert Lexus and you'll be back on the road in the blink of an eye.
First, ensure your hands and workspace are clean and dry. Incorporating water into the battery can cause it to rust. Use flatheads to open the cover of the key fob. If you want to avoid scratches, wrap the tip of your screwdriver in tape. Once the mechanical key has been removed, you can remove the old battery and replace it with a new one. Install the new battery in a way that the positive (+) face is facing upwards. Reinstall the electronic module and snap back the fob cover.
If you require assistance with your key fob the technicians who service it at Shottenkirk Desert Lexus are available to assist. We also offer Key Replacement Protection, available when you purchase or lease an entirely new Lexus vehicle. This warranty covers fobs and keys that can be replaced along with the programming required to sync them with the immobiliser system of your vehicle. Click HERE to learn more about this useful feature or contact our customer service team.
How to activate Battery-Saving Mode

A Lexus key fob is a sophisticated piece of technology that allows you to lock and unlock your doors and start your ignition with a push button. It has hardware that sends signals to the vehicle, e.g. to automatically lower your windows. Over time the battery in your Lexus key fob can become low, and it's important to replace it as soon as possible to ensure the purpose of this vital device.
If you aren't going to use your Lexus Key Fob for several weeks, you can switch on the battery-saving mode. This will help reduce battery drain. To turn it on, press and hold the LOCK button while pressing the UNLOCK button three times. The LED will blink four times, and your Lexus keyfob is now in battery saving mode. Press any button on your key fob to activate Smart Access and push-button starting.
It's simple to replace the battery in your Lexus Key Fob with no special tools. Start by ensuring that your hands are dry to decrease the chance of moisture rusting the new battery. Locate the small button located on the side of the key fob. The button lets go of the emergency blade that is stored inside. Remove the mechanical key by pressing the release button. Slide the new battery in with its plus side facing up.
How to turn off your key Fob
Your key fob might seem rather basic, but it's actually packed with advanced technology. It lets you lock and unlock doors, and open the trunk, of your Lexus IS 2021 without ever taking your key from your pocket. It also has some secret functions which you might be surprised by.
Consumer Reports says that the panic button on your key fob can help you locate your car in parking garages. RepairPal reports that the loud sound could also discourage thieves. It's a great reason to keep one in your wallet or purse in case of need.
Consumer Reports says that some cars will even allow you to start your car with remote fobs during cold weather. Hold the lock button for 10 seconds on the key fob to enable this feature. (A note of caution: This feature may not work with all vehicles, so be sure to check your owner's manual.)
If you've lost your car keys or your key fob is damaged, you can get it replaced either through the dealer or a locksmith service. It's crucial to seek out the correct assistance to ensure that your new key or fob functions exactly like the original. You'll need to ensure that the locksmith you hire has the correct key blanks and is able to program them correctly for your vehicle.
How to Replace the Key Blade
Today's modern key fobs are more capable than ever before. With a touch of a button, they can unlock or lock, and start vehicles. The technology isn't free. A replacement key fob may cost between $200 to $500. The programing process at a dealer might cost more. Fortunately, replacing the battery in the majority of fobs is affordable and simple.
To replace the Lexus keyfob battery you will need a flathead screwdriver to pry the fob open. Wrap the edge of the flathead screwdriver in tape prior to using it to avoid scratching the plastic. 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 up. The electronic key module should be snapped back on and put the key fob cover back into place.
There are a few things you can do to prolong the life of your key fob's battery by keeping it away from electrical appliances that produce magnetic fields, such as laptops, TVs and cell phones and battery chargers. You can also switch on battery-saving mode by holding down the LOCK button, and then pressing the UNLOCK button two times. The electronic indicator on the key will blink four times to confirm that the battery-saving setting is in place. Press lexus replacement key programming The Key Lab on the key fob to start using the Smart Access System or Push Button Start.