History Of Lexus Replacement Keys: The History Of Lexus Replacement Keys

· 4 min read
History Of Lexus Replacement Keys: The History Of Lexus Replacement Keys

How to Get the Most Out of Your Lexus Key Fob

Your Lexus key fob is equipped with sensors for vehicles that allow you to lock and unlock your door and start the ignition by pressing a button. But, exposure to elements of the weather, everyday usage, and even a minor damage could cause it to cease to operate as it should.

Replace the battery with the standard CR2032 battery available at most camera shops, big-box stores, and convenience stores. Wrap the edge of a flathead screwdriver with tape to prevent scratching.

Keyless Entry

Key fobs are tiny remotes that include RFID antennae, chips, and other parts to permit safe access to a physical object. The device transmits an RFID signal to a reader, who uses it to determine whether the device is authorized to access. If the signal matches what the reader is programmed to accept it unlocks the door, or allows users to enter a room or other area.

Unlike traditional car keys, Lexus key fobs are equipped with many additional features. They can lock and open your car doors, open the trunk and start your push-button ignition without having to remove the key from your pocket. Certain of these functions are only accessible by means of specialized hardware, which can be activated by a technician. Others are as easy as pressing a key fob button.

If your Lexus key fob is malfunctioning it could be time for the battery to be replacement. The procedure for replacing the battery in a conventional key is pretty straightforward, regardless if you have a smart key that comes with SmartAccess or a standard key. First, take off the mechanical key that's stored in the key fob using the release button. Then you can use a flathead screwdriver open the key fob's case and remove the battery that is dead. Replace the new battery, ensuring the + side is facing up.

Remote Start

Lexus cars seem to get better and better with each new model year, whether it's the larger touchscreen or more advanced safety features. One of the most popular features is remote start which makes it simple to warm up or cool down your car prior to you drive off in Bayamon.

The key fob itself can be used to turn on your Lexus remote starter, however it also works with a Lexus app on your smartphone or device with the Alexa or Google Assistant voice-activated feature. You can even activate a Lexus remote start using your smartwatch if it comes with this functionality.

Learn more about how to use the Lexus Remote Start feature by visiting an authorized dealer, like Ray Catena Lexus of Monmouth and chatting with an expert. The friendly team at this Lexus dealer will be more than happy to show you how you can maximize the key fob on your car.

Our guide will cover everything you need to know about Lexus Remote Start. To use the remote start feature, your vehicle has to have an Enform Remote subscription. All new Lexus vehicles come with three years of free Enform Remote, but you may purchase a longer subscription for older Lexus models.

Moving down the Windows

The majority of people know that the key fob is able to start and unlock their car. However, it also comes with other amazing tricks. For example, the key fob can roll down the windows by pressing the lock button for two seconds or more. This can be beneficial on hot days when you need to let the air in your car out before entering. But, you must remember that your windows will remain down until you press the lock button again or enter your vehicle.

The key fob you have can be used to control the sunroof and power windows. You'll need the key fob programmed or coded to access this feature. Most dealers charge $50 or more for this service, while automotive locksmiths might charge less.

Modifying the Key Fob Battery

One of the most common errors Lexus drivers make is not remembering to change the battery on their key fobs. You can buy batteries at hardware stores, major retailers, or even online. It is recommended to look through the owner's guide to see whether your battery has particular features that require programming or instruction.

If your key fob has run low in battery power, our service center at Ray Catena Lexus of Freehold can help. We'll guide you on how to change the battery on your key fob and we'll even give you tips on how you can extend its lifespan.

Battery-Saving mode

Battery-saving mode will help you get maximum value from the battery of your keyfob. This function shuts off the signal of the transmitter to prevent premature draining. To activate it simply press the LOCK key while tapping the UNLOCK button twice.  lexus car key  to indicate the key fob is in battery-saving mode. Press any key fob button to resume Smart Access or push-button starting.

Keep your Lexus in a battery-saving mode to extend its lifespan. You can also extend its life by avoiding placing the key fob within three feet of electronics that produce magnetic waves, such as TVs, laptops cell phones, battery chargers.


If the battery for your key fob is damaged, it's easy to replace it yourself using the right tools and small amount of knowledge. Use a paperclip and an additional battery to replace the old one. Make sure the side with the + is facing upwards.

Ray Catena Lexus Monmouth's experts can teach you how to replace the batteries on your Lexus keyfob. We can help you open the key fob and replace its battery. Contact us today for an appointment!