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Lexus Replacement Key Cost: 10 Things I'd Like To Have Known Earlier
How to Do a Lexus Key Fob Replacement

There are a few 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 sooner or later.

Replacing your key fob battery is fairly 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 program replacement keys for your specific model.

How do I replace the battery?

If the indicator light on the LED dims and you are unable to activate Smart Access or push-button starting the process, it's time to replace the Lexus key fob. The process is easy and can be done in the comfort of your Guaynabo home. Follow these simple instructions provided by Shottenkirk Desert Lexus to get back on the road as quickly as possible.

First, make sure your hands and workspace are dry. Introducing water into the battery can cause it to develop rust. Use an open-ended screwdriver to remove the cover of the key fob. Then, wrap the tip of the screwdriver with tape to protect it from scratches. After the mechanical key has been removed, you can take out the battery that was in use 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 then snap back the cover of the fob.

Keep in mind, that if there's a problem with the key fob you have and need assistance, the knowledgeable service technicians at Shottenkirk Desert Lexus can assist you. We're also proud to provide Key Replacement Protection, available when you buy or lease the new Lexus vehicle. This warranty covers fobs and replacement keys as well as the programming required for synchronizing them with your vehicle's security system. To learn more about this important upgrade, click HERE or contact our service department.

How do I activate the Battery-Saving Mode

A Lexus keyfob is an advanced piece of technology that allows you to lock or unlock your doors and then start your ignition with a push button. It is equipped with hardware that sends signals to the vehicle, e.g. to automatically lower your windows. The battery inside your Lexus' key fob is going to eventually run out. It is important to replace the battery as soon as you can, to prevent it from compromising its function.

If you're not going to be using your Lexus key fob for more than a week You can switch on battery-saving mode to reduce battery depletion. Press and hold the LOCK key while pressing UNLOCK key twice. The LED will flash four times, and your Lexus key fob is now in battery-saving mode. To activate the start button and Smart Access features, simply press any of the buttons on the fob.

Changing the battery in your Lexus key fob is a fairly simple task that doesn't require any special tools. Begin by making sure your hands are dry to decrease the chance of moisture rusting the new battery. Then, find the small button on the side of your key ring that allows you to release the emergency key blade that is stored inside. Remove the mechanical key by pressing the release button. Slide the new battery into place with its plus side facing up.

How to turn off your key Fob

It may seem simple however the technology is quite sophisticated. It allows you to lock and unlock doors, and access 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.

For instance, the key fob's panic button will help you locate your car in a parking garage, says Consumer Reports. RepairPal states that the loud sound can also discourage thieves. Keep one in your wallet and purse in case of emergency.

Consumer Reports says that some vehicles will allow you to start your car using a remote fobs in cold weather. Hold the lock button for 10 seconds on the key fob to enable this feature. Be aware that this feature may not be available on all vehicles. Review the owner's manual.

If you've lost your car keys or your fob has been damaged, you can get it replaced by either the locksmith service or a dealer. It's essential to get the correct assistance to ensure that the new key or fob is properly coded and functions just like the original. For instance, you'll want to ensure that the locksmith you use has the correct key blank and is able to program it correctly for your particular vehicle.

How to replace the Key Blade


Key fobs that are high-tech today are more efficient than ever. With a click of an button, they are able to unlock, lock, and even start vehicles. All this technology isn't free. The cost of purchasing a replacement key fob can cost anywhere from around $200-$500, and having it programmed by a dealer could run even more. The battery can be easily and cheaply replaced in the majority of fobs.

To replace the battery in the Lexus key fob, first employ a flathead screwdriver break open the fob. Wrap the blade of the flathead screwdriver in tape before you use it to avoid scratching plastic. Remove the electronic key module that covers the battery prior to removing the old battery. Place a new CR2032 in its place with the positive side facing up. Re-attach the electronic module on and then replace the key fob cover.

There are replace lexus key fob can prolong the lifespan of your key fob's battery by keeping it 3 feet away from electrical appliances that produce magnetic fields, such as TVs, laptops, cell phones, and battery chargers. You can also enable the battery-saving mode simply by pressing the LOCK button, and then pressing the UNLOCK button twice. The electronic indicator on the key will blink four times to confirm the battery-saving setting. Press any button on your key fob to resume using the Smart Access System or Push Button Start.