How to Get the Most Out of Your Lexus Key Fob

Your Lexus key fob has hardware with sensors built into the vehicle, which permit you to lock and unlock your doors and begin the ignition using a push button. But, exposure to elements of weather, everyday use, and even minor damage could cause it to cease to operate as it should.

Replace the battery with a standard CR2032 battery that can be found at most camera shops, big-box stores, and convenience stores. Wrap the screwdriver's flathead edge in tape to prevent scratching.

Keyless Entry

Key fobs are tiny remote control devices that contain RFID antennae, chips and other components to enable safe access to a physical object. The device sends an RFID signal to the reader, who uses it to determine if the device is authorized for access. If the signal is similar to the one that the reader is programmed to accept, then the system unlocks doors or allows entry to an area.

Unlike traditional car keys, Lexus key fobs have a lot of extra features. They can unlock and lock your car doors and trunk, as well as start the push-button ignition without ever having to take the key out of your pocket. Certain of these functions are only accessible through specialized hardware, which can be activated by an expert. Others are as easy as pressing the key fob button.

If your Lexus keyfob is malfunctioning, it could be time to replace the battery. The procedure for replacing the battery in a conventional key is fairly straightforward, regardless if you have a smart key with SmartAccess or a traditional key. First, take off the mechanical key that's stored in the key fob, using the release button. Use lexus key programming for prying open the case of the key fob. Then take out the dead batteries. Replace the new battery, ensuring that the + side is facing up.

Remote Start

Lexus cars appear to get better and better with each new model year, whether that's an upgraded touchscreen infotainment system or more advanced safety features. One of the most well-known features is remote start which makes it simple to warm up or cool down your car before you get on the road in Bayamon.

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

You can find out more about how to utilize the Lexus Remote Start feature by visiting an authorized dealer, such as Ray Catena Lexus of Monmouth and talking to an expert. The team of knowledgeable experts at this Lexus dealership will be more than happy to educate you on the many ways to make the most of your car's key fob.

Our guide will go over everything you need to know about Lexus Remote Start. Be aware that to benefit from remote start your vehicle must be equipped with an Enform Remote subscription. All new Lexus vehicles come with a three-year contract to Enform Remote. However, you can purchase a longer subscription if you own a vehicle that is older.

Rolling Down the Windows

Most people know that their key fob can unlock their car and get it started, but the key fob has some other cool features. For example the key fob is able to roll down the windows by pressing the lock button for two minutes or more. This is helpful on hot days, when you're trying to cool your car before entering. However, you need to remember that your windows will remain shut until you press the lock button a second time or enter your vehicle.


Your key fob could also be used to control the sunroof as well as power windows. But, you'll require your key fob coded or programmed for this feature. A lot of dealerships offer this service for $50 or more while automotive locksmiths may charge less.

How to Replace the Key Fob Battery

One of the most common errors that Lexus drivers make is forgetting to replace the battery on their key fobs. You can purchase the replacement battery from hardware stores, big-box retailers and even online. It is however recommended to read your owner's manual before you purchase a replacement battery to determine if the fob has any features that require special instructions or programming.

The service center at Ray Catena Lexus in Freehold can assist you when the battery in your key fob is low. We'll help you replace the battery on your key fob and even give you some tips for prolonging the life of the battery.

Battery-Saving Mode

If you want to get the longest lifespan from the battery of your key fob for all of your Indio drives, try the battery-saving mode. This option shuts off the signal of the transmitter to stop the premature drain of the battery. To activate this feature, press the UNLOCK and the LOCK buttons and tap them twice. The key fob will enter battery-saving mode when the indicator flashes four times. To restart Smart Access and push-button start simply press one of the buttons on the key fob.

Keep your Lexus in battery-saving mode to prolong its life. You can also prolong its lifespan by avoiding placing it within three feet of electronic devices which generate magnetic waves. This includes laptops, televisions, and cell phones.

With just a few tools and some basic knowledge, you can easily replace your key fob's battery when it stops working. Utilize a paperclip as well as an additional battery to replace the old one. Make sure that the + side is facing upwards.

Ray Catena Lexus Monmouth's experts will help you change the batteries inside your Lexus key fob. We can help you open the key fob and then replace the battery. Contact us to schedule an appointment for service today!