How to Do a Lexus Key Fob Replacement
There are some things that every Lexus owner should know. No matter if you have a conventional key that rotates in the ignition or a smart, push-to-start key, your car will need a new battery eventually.
It is easy to replace the battery in your key fob by visiting a hardware retailer, big-box retailer, or locksmith. Make sure that the locksmith has the ability to programme replacement keys to your model.
How to replace a battery
If the LED indicator light becomes dim and you can't activate push-button start or Smart Access, it's time to replace the Lexus key fob battery. The procedure is easy and can be carried out in the comfort of your Guaynabo-area home. Follow these easy instructions by Shottenkirk Desert Lexus to get back on the road as quickly as possible.
First, ensure that your workspace and hands are clean and dry. Incorporating lexus key into the battery could cause it to get rusty. Then make use of the flathead screwdriver to break the cover for the key fob. Wrap the tip of the screwdriver with tape to protect it from scratches. Once the mechanical key is removed, you can take out the old battery and install the new one. Install the new battery in a way that the positive (+) face is facing up. Reinstall the electronic module and snap back the cover for the fob.
Keep in mind, that if there's a problem with your key fob and need assistance, the skilled service technicians at Shottenkirk Desert Lexus can assist you. We're also pleased to provide Key Replacement Protection, available when you buy or lease a new Lexus vehicle. This warranty covers fobs and keys that are replaced as well as the programming required to connect them to your vehicle's security system. Click HERE to learn more about this useful feature or contact our customer service team.
How do I activate battery-saving mode?
A Lexus key fob is an incredibly sophisticated piece of technology that allows you to lock and unlock your doors and start your ignition with a push button. It contains hardware which sends signals to the vehicle, e.g. to automatically lower your windows. As time passes, the battery in your Lexus key fob can become low, and it's vital to replace it as quickly as you can in order to not compromise the function of this vital device.
If you won't be using your Lexus Key Fob for several weeks, you may want to activate the battery-saving mode. This will decrease battery drain. To activate it you need to press and hold the LOCK button while pressing the UNLOCK key twice. The electronic indicator will blink four times and your Lexus keyfob will be in battery saving mode. To reactivate the push-button start and Smart Access features, simply press any of the buttons on the fob.
Changing the battery in your Lexus key fob is an easy task that doesn't require special tools. Make sure that your hands are dry to minimize the chance of moisture rusting your new battery. Locate the small button located on the left side of the key fob. This button opens the emergency blade kept inside the. Push the release button and take off the mechanical key. Then, slide the new battery into place with its plus side facing upwards.
How to Turn Off Your Key Fob
The key fob you have might appear to be basic, but it's actually packed with sophisticated technology. It allows you to lock and unlock doors, and open the trunk, of your Lexus IS 2021 without ever having the key out of pocket. It also has features that might be a surprise to you.
Consumer Reports says that the panic button on your key fob could help you locate your car in parking garages. RepairPal says that the loud noise can also dissuade thieves. Keep one in your wallet and purse in the event of an emergency.
Consumer Reports says that some cars will even allow you to start your car with remote fobs during cold weather. Press the lock button for 10 seconds on the key fob in order 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 fob for keys or car keys with an authorized locksmith or dealer. It's essential to get the right help in order to ensure that the new key or fob functions exactly like the original. You'll need to ensure that the locksmith you select has the correct key blanks and can program them in a way that is appropriate for your car.
How to replace the Key Blade

The modern-day key fobs today are more efficient than ever. They unlock cars, lock them and even start them with the push of a button. All this technology isn't free. Buying a replacement key fob can cost anywhere from $200 to $500, while having it programmed by a professional dealer can cost even more. Fortunately that replacing the battery in most fobs is relatively inexpensive and simple.
To replace the battery on a Lexus key fob, first employ a flathead screwdriver remove the fob. If you wish to avoid scratching the plastic, wrap the end of the screwdriver with tape prior to using it. Take off 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, with the positive side facing upwards. The electronic module should be re-snapped on and then replace the key fob cover.
There are a few ways you can extend the lifespan of the battery in your key fob and that includes keeping it 3 feet away from electrical appliances that generate magnetic fields, such as TVs, laptops, cell phones and battery chargers. The battery-saving mode is activated by pressing the UNLOCK and LOCK buttons twice while holding the LOCK key. The indicator on the electronic key will blink four times to confirm the battery-saving settings. To restart the use of your Smart Access System and Push Button Start, press any button on the key fob.