How to Do a Lexus Key Fob Replacement
There are some things that every Lexus owner should be aware of. Whether you drive a conventional key that turns on the ignition or a smart push-to start key, your car will require a new battery eventually.

It is simple to replace the battery on your key fob by visiting a hardware retailer, big-box retailer, or locksmith. Make sure that the locksmith has the ability to make replacement keys for your particular model.
How to Replace the Battery
If the indicator light on the LED gets dim and you're unable to use the push-button start feature or Smart Access, it's time to replace the Lexus key fob battery. Fortunately, the process is easy and can be completed in the comfort of your home in Guaynabo. Follow these simple steps from Shottenkirk Desert Lexus and you'll be back on the road in the blink of an eye.
Make sure your hands and the work area are dry. Moisture could cause the battery to rust. Use an open-ended screwdriver to remove the cover of the key fob. If you want to protect yourself from scratches, wrap the tip of your screwdriver in tape. After the mechanical key is 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. Then, reinstall the electronic key module and snap the fob cover back into the correct position.
Keep in mind, that if you're having difficulty with your key fob and need help, the experienced service technicians at Shottenkirk Desert Lexus can assist you. We also offer Key Replacement Protection when you purchase or lease the Lexus vehicle. This warranty covers fobs and keys that are replaced as well as programming required to connect them to your vehicle's security system. To learn more about this valuable upgrade, click HERE or contact our customer service team.
How to activate Battery-Saving Mode
A Lexus keyfob is an advanced piece of technology that allows you to lock or unlock your doors and also to turn on your push button ignition. It contains hardware that sends signals to your vehicle to do things like automatically roll down the windows. As time passes the battery in your Lexus key fob may run low, and it's important to replace it as quickly as possible to ensure the function of this vital device.
If you're not planning to be using your Lexus key fob for a couple of weeks you can turn on the battery-saving mode in order to limit the loss of battery. Press and hold the LOCK key while pressing UNLOCK key twice. The indicator on the electronic will blink 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.
Switching the battery on your Lexus key fob is an easy task that doesn't require special tools. Start by ensuring that your hands are dry to minimize the chance of moisture rusting the new battery. Then, find the small button on the back of your key ring that allows you to release the emergency key blade inside. Release the button and take out the mechanical key. Slide the new battery into place with its plus side facing up.
How to Turn Off Your Key Fob
Your key fob might seem to be basic, but it's actually packed with the latest technology. It allows you to lock and unlock doors, as well as open the trunk, of your Lexus IS 2021 without ever having the key out of pocket. But it also has extra features that may be surprising you.
Consumer Reports says that the panic button on your key fob could aid you in finding your car in parking garages. The alarm's loud and enticing tone could make thieves nervous, according to RepairPal. It's a great reason to keep one in your wallet or purse in case of need.
Some vehicles even let you start your engine with an electronic key fob that you can use in cold weather, Consumer Reports notes. Simply press the lock button on the key fob for 10 seconds to activate this feature. It is important to note that this feature may not work on all vehicles. Review the owner's manual.
If you've lost your car keys or your key fob is damaged, you can get it replaced by either the dealer or a locksmith service. It's important to get the right help in order to ensure that the replacement key or fob functions as the original. For example, you'll want to ensure that the locksmith you use has the right key blank and can program it properly for your particular vehicle.
How to Replace the Key Blade
Today's modern key fobs are more powerful than ever before. With the touch of one button, they can unlock, lock, and even start vehicles. This technology isn't free. replacement lexus key around $200-$500, and getting it programmed by a dealer can cost more. Fortunately, replacing the battery in most fobs is inexpensive and easy.
To replace the Lexus keyfob battery Use a flathead tool to pry open the fob. If you'd like to prevent scratching the plastic, cover the edge of the screwdriver in tape before using it. Take off the electronic key module that is covering the battery prior to taking off the old one. Place a new CR2032 in its place with the positive side facing up. Connect the electronic module on, and then replace the cover for the key fob.
You can extend the life of your battery keyfob by keeping it at least 3 feet away from magnetic devices like TVs, laptops and cell phones. The battery-saving mode can be activated by pressing the UNLOCK and LOCK buttons two times while holding the LOCK key. The indicator on the electronic key will flash four times to verify that the battery-saving mode is set. To resume the use of your Smart Access System and Push Button Start, press any button on the key fob.