How to Do a Lexus Key Fob Replacement
There are a few things every Lexus owner should be aware of. The car will eventually require a new key, whether you are using a conventional key to turn the ignition or a smart push-to-start.
The replacement of your key fob's battery is easy and can be accomplished at a locksmith, hardware store or a big-box retailer. However, you should always ensure that the locksmith or dealer can make replacement keys for your particular model.
How to replace a battery
If the LED indicator light is dim and you are unable to use Smart Access or push-button starting the process, it's time to replace the Lexus key fob. Fortunately, the procedure is simple and can be performed at your Guaynabo-area home. Follow these easy steps from Shottenkirk Desert Lexus and you'll be back on the road in no time.
First, ensure your workspace and hands are completely dry - introducing moisture into the new battery could cause it to develop rust. Then you can use an open-ended screwdriver to remove the cover on the key fob. Wrap the top of your screwdriver with tape to avoid scratches. Once the mechanical key has been removed, you can remove the battery that was in use and replace it with a brand new one. Be sure to insert the new battery with the positive (+) side facing upwards. After that, reinstall the electronic key module and snap the cover back into position.
Remember that if you're having difficulty with the key fob you have and need help, the experienced service technicians at Shottenkirk Desert Lexus can assist you. We're also pleased to provide Key Replacement Protection, available when you lease or purchase a brand new Lexus vehicle. This warranty covers fobs and keys that are replaced and programming needed for synchronizing them with your vehicle's security system. To find out more about this essential upgrade, click HERE or contact our support team.
How do you activate Battery-Saving Mode?
A Lexus key fob is an incredibly sophisticated piece of technology that allows you to lock and unlock your doors as well as start your push-button ignition. It contains hardware which sends signals to the vehicle, e.g. to automatically reduce the windows. As time passes the battery in your Lexus key fob could become low, and it's crucial to replace it as soon as you can in order to not compromise the function of this vital device.
If you're not going to be using your Lexus Key Fob for a couple of weeks, you can turn on the battery-saving mode. This will reduce battery drain. To turn it on simply press and hold the LOCK button while pressing the UNLOCK button two times. The electronic indicator will flash four times and your Lexus keyfob is now on battery saving mode. To restart the start button and Smart Access features, simply press any of the buttons on your fob.
The battery replacement in your Lexus key fob is a simple task that doesn't require any special tools. To prevent corrosion, ensure that your hands and the new battery are clean. Find the small button on the side of the key fob. The button lets go of the emergency blade that is stored inside. Push replacement lexus keys , and remove the mechanical key. Slide the new battery in with its plus-side facing up.
How to Turn Off Your Key Fob
Your key fob could appear to be simple, but it's loaded with the latest technology. It allows you to lock and unlock doors, and open the trunk, of your Lexus IS 2021 without ever taking your key from your pocket. But it's also got some hidden functions that may surprise you.
Consumer Reports says that the panic button on your key fob can help you locate your car in parking garages. The alarm's loud and enticing tone could make thieves nervous, according to RepairPal. Keep one in your wallet or purse in the event of an emergency.
Some cars even let you start your engine using a remote key fob in cold weather, Consumer Reports notes. Simply hold the lock button on the key fob for 10 seconds to activate this feature. (A note of caution: This feature may not work with all vehicles, so be sure you check your owner's manual.)
If you've lost your car keys or your fob is damaged, you can get it replaced by either the locksmith service or the dealer. It's essential to get the right assistance to ensure that the replacement key or fob is properly coded and works just like the original. For instance, you'll need to ensure that the locksmith you select has the correct key blank and can program it properly for your specific vehicle.
How to replace the Key Blade

The high-tech key fobs of today are more robust than ever. They unlock vehicles, lock them and even turn them on with the touch of a button. However all this technology comes at the cost of. Buying a replacement key fob can cost anywhere from around $200-$500, and having it programmed by a dealer could cost more. The battery is easily and inexpensively replaced in the majority of fobs.
To replace the battery in a Lexus key fob, you must first employ a flathead screwdriver break open the fob. If you'd like to avoid scratching the plastic, cover the tip of the screwdriver using tape prior to using it. Take off the electronic key module that covers the battery prior to taking off the old battery. Then place a new CR2032 battery in its place with the plus side facing upwards. Snap the electronic key module back in place and secure the key fob cover back in its place.
You can prolong the battery life of your keyfob by keeping it at least 3 feet away from any magnetic appliance, such as laptops, televisions, and cell phones. You can also switch on battery-saving mode simply by pressing the LOCK button and pressing the UNLOCK button two times. The electronic indicator on the key will flash four times to confirm that the battery-saving mode is activated. To restart the use of your Smart Access System and Push Button Start, press any button on the key fob.