How to Do a Lexus Key Fob Replacement

There are some things that every Lexus owner needs to know. No matter if you have a conventional key that rotates in the ignition or a smart push-to-start key, your vehicle will need a new battery at some point.

The process of replacing your key fob's battery is relatively easy and can be done at a locksmith, hardware store or a big-box retailer. Make sure that the locksmith is able to programme replacement keys to your model.

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 is time to replace the Lexus key fob. The process is easy and can be completed at the comfort of your Guaynabo home. Follow these simple instructions from Shottenkirk Desert Lexus and you'll be back on the road in no time.

Make sure your hands and area of work are completely dry. Moisture can cause the battery to be rusty. Use an open-ended screwdriver to remove the cover of the key fob. If you want to avoid scratches, wrap the tip of your screwdriver with tape. Once the mechanical part is removed then you can remove the battery you have been using and replace it with the new one. Be sure to put in the new battery with the positive (+) side facing up. Install the electronic module, and snap back the cover of the fob.

Keep in mind, that if you're having trouble with the key fob you have and need assistance, the skilled service technicians at Shottenkirk Desert Lexus can assist you. We're also proud to provide Key Replacement Protection, available when you lease or purchase the new Lexus vehicle. The warranty provides fobs and keys that can be replaced and the programming needed to connect them to your vehicle's immobiliser. To find out more about this valuable upgrade, click HERE or contact our service department.

How do you 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 start the ignition using a push button. It has hardware that sends signals to the vehicle, e.g. to automatically open your windows. In time the battery inside your Lexus key fob may run low, and it's important to replace it as quickly as possible to avoid compromising the purpose of this vital device.

If you won't be using your Lexus Key Fob for a few weeks, you can switch on the battery-saving mode. This will reduce the drain on your battery. Press and hold the LOCK key while pressing the UNLOCK twice. The electronic indicator will blink four times and your Lexus keyfob is now on battery saving mode. Press any button on your key fob in order to reactivate Smart Access and push-button starting.

Changing the battery in your Lexus key fob is a relatively simple task that doesn't require any special tools. Start by making sure your hands are dry to avoid the possibility of moisture rusting the new battery. Locate the small button located 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 position with its plus-side facing forward.

How do you turn off your key fob

It may seem simple it's not, but the technology is quite sophisticated. It allows you to lock and unlock doors and open the trunk of your 2021 Lexus IS without ever having to remove the key from your pocket. But it also has features that might be a surprise to you.

For instance, the panic button on your key fob could help you locate your car in a congested parking garage, says Consumer Reports. RepairPal says that the loud noise could also discourage thieves. Keep one in your wallet or purse in the event of an emergency.

Consumer Reports says that some vehicles will allow you to start your car with a remote fob during cold weather. Hold the lock button for 10 seconds on the fob to activate this feature. Be aware that this feature may not work with all vehicles. Refer to the owner's guide for your vehicle.

You can replace the fob of your key or car keys with the locksmith service or a dealer. It's important to get the right help in order 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 lexus blanks and is able to 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 powerful than they have ever been. With a touch of an button, they are able to unlock the door, lock it, repair and even start vehicles. The technology isn't free. Buying a replacement key fob is priced at $200 to $500, and having it programmed by a dealer could cost more. Fortunately replacement of the battery in most fobs is inexpensive and easy.

To replace the battery on the Lexus key fob, first use a flathead screwdriver to unlock the fob. If you wish to avoid scratching the plastic, cover the end of the screwdriver with tape prior to using it. If there is an electronic key module covering the battery, take it off before taking out the old one. Replace it with a brand new CR2032 in its place in a positive position, with the positive facing up. Snap the electronic key module back in place and secure the key fob cover back in its place.

There are some things you can do to extend the life of the battery in your key fob, such as keeping it 3 feet away from electrical appliances that produce magnetic fields, such as laptops, televisions, cell phones and battery chargers. The battery-saving mode can be activated by pressing the LOCK and UNLOCK buttons twice while holding the LOCK key. The key indicator's electronic display will blink four times to confirm the battery saving setting. To restart the use of your Smart Access System and Push Button Start, press any button on the key fob.