How to Do a Lexus Key Fob Replacement
There are some things every Lexus owner should be aware of. No matter if you have a conventional key that turns in the ignition, or a smart push to start key, your vehicle will need a new battery at some point.
Replacing the battery in your key fob is relatively easy and can be accomplished at a locksmith, hardware store or a big-box retailer. Always ensure that the locksmith can program replacement keys for the model you have.
How do I replace the battery?

When the indicator light for the LED becomes dim and you can't activate push-button start or Smart Access, it's time to replace your Lexus key fob battery. Fortunately, the procedure is simple and can be performed from the comfort of your home in Guaynabo. Follow these simple instructions from Shottenkirk Desert Lexus and you'll be back on the road in the blink of an eye.
First, make sure your hands and workspace are completely dry - introducing moisture into the new battery can cause it to rust. Then you can use the flathead screwdriver to break the key fob cover. Wrap the tip of your screwdriver with tape to prevent scratches. Once the mechanical key is removed from the screwdriver, you can then remove the battery that was in use and replace it with the new one. Insert the new battery so that the positive (+) face is facing upwards. Then, reinstall the electronic key module and snap the cover back into position.
Remember, that if you're having difficulty with your key fob and need assistance, our knowledgeable service technicians at Shottenkirk Desert Lexus can assist you. We also offer Key Replacement Protection, available when you lease or purchase the new Lexus vehicle. This warranty covers fobs and keys for replacement and also programming for synchronizing them with your vehicle's security system. To find out more about this essential add-on, click HERE or contact our customer service team.
How do I activate the battery-saving mode?
A Lexus key fob is a remarkably sophisticated piece of technology that lets you to lock and unlock your doors as well as start your ignition with a push button. It is equipped with hardware that sends signals to your car to do things like automatically shutting the windows. Over time the battery in your Lexus key fob could become low, and it's essential to replace it as quickly as possible to ensure the functionality of this crucial device.
If you're not likely to use your Lexus key fob for a few weeks You can switch on battery-saving mode in order to limit the amount of battery left. Press and hold the LOCK key while pressing the UNLOCK button twice. The indicator on the electronic will flash four times and your Lexus key fob is now in battery-saving mode. To reactivate the push-button start and Smart Access features, simply press any of the buttons on the fob.
Switching lexus key on your Lexus key fob is a fairly simple task that doesn't require any special tools. Start by making sure your hands are completely dry to decrease the chance of moisture rusting your new battery. Then, locate the small button on the side of your key fob. This button opens the emergency key blade inside. Take the mechanical key out by pressing the release button. Next take the new battery into place with its plus side facing up.
How do you turn off your key fob
It may seem straightforward, but the technology inside is extremely sophisticated. It allows you to lock and unlock doors, and access the trunk of your Lexus IS 2021 without ever having to take the key out of your pocket. It also has a few hidden functions that you'll be amazed by.
Consumer Reports says that the panic button on your key fob can assist you in finding your car in the parking garage. RepairPal says that the loud noise could also deter thieves. This is a good reason to keep one in your wallet or purse in case of need.
Some vehicles even let you start your engine with a remote key fob in cold weather, Consumer Reports notes. Hold the lock button for 10 seconds on the key fob to enable this feature. (A note of caution: This feature doesn't work on all vehicles, so make sure you check your owner's manual.)
If you've lost the keys to your car or your fob for keys is damaged, you can get it replaced via the locksmith service or the dealer. It's crucial to get the right assistance to ensure that the new key or fob has been properly coded and works just like the original. You'll want to ensure that the locksmith you choose has the correct key blanks and knows how to program them properly for your vehicle.
How to replace the Key Blade
Today's high-tech key fobs are more capable than ever before. They unlock vehicles, lock them and even start them at the touch of a button. However all this technology comes with a cost. A replacement key fob could cost between $200 to $500. The programing process at a dealer can cost more. The battery can be easily and cheaply replaced in the majority of fobs.
To replace the battery on the Lexus key fob, first use a flathead screwdriver to unlock the fob. If you want to avoid scratching the plastic, wrap the edge of the screwdriver in tape prior to using it. If there is an electronic key module encasing the battery, remove it before taking out the old one. Then, put a brand new CR2032 battery in its place, with the plus side facing up. The electronic key module should be snapped back on, and place the key fob cover back in place.
There are a few ways you can extend the lifespan of your key fob's battery and that includes keeping it at least three feet from electrical appliances that create a magnetic field, like TVs, laptops, cell phones and battery chargers. You can also turn on the battery-saving mode by holding down the LOCK button and pressing the UNLOCK button twice. The indicator on the electronic key will blink four times to confirm the battery-saving settings. Press any button on your key fob in order to resume using the Smart Access System or Push Button Start.