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Things You Should Know About Replacing Your Key Fob on Your Lexus The key fob on your Lexus includes a mechanical blade that you can use in a situation of emergency. If you're having problems with your key fob on your Holmdel adventures, here are a few things you should know about changing its battery. Press the small button located on one side of the key fob to let go of the key's metal. A flathead screwdriver will then come into play, which can easily pop out the blade of the emergency key. The SmartAccess Key Card The majority of new vehicles come with a keyless entry system that lets drivers unlock doors and trunks, open them up and start engines without ever having to remove a traditional metal key. However, Lexus takes the concept to the next level with the SmartAccess Card Key, a digital key that is the size of a wallet and can be used to perform all of these functions. The card comes with a magstripe, which is comprised of thousands of tiny magnetic bars that can be polarized north or south to create a sequence. This sequence is then encoded in the card's memory and allows it to communicate with sensors and control devices within your vehicle. These codes are paired with your registered key number. By matching these unique ID numbers the system ensures that only the correct fob is authorized to operate your car. The system guarantees that your keys can only be used for your vehicle. This means that if your card is lost, you are not able to take off with any key from any other person. The chip in the key is a complicated algorithm. To prevent damage to the key, do not use it in conjunction with sharp objects, like a coin or the tip of a mechanical pencil. The card key should also not be exposed to extreme temperatures or extreme heat. If the battery or terminals for the card key get wet, they could cause corrosion and stop your Lexus from starting. The Key Fob The key fob uses radio waves to communicate with the car. The key fob is able to lock and unlock doors or open the boot, and start the car at the press of a button. Some models have an emergency switch that can be used to notify emergency services or deter a criminal. This is particularly useful if your car is parked in a garage at night or in an isolated location. If you're having issues with your remote, it could be time to replace the battery. A small flathead screwdriver can be used to replace the battery of the key fob. It is important to avoid touching the battery's terminals using your fingernails because this can cause corrosion and reduce the lifespan of the battery. The battery must be kept away from any devices that generate magnetic fields, such as cellphone chargers and TVs. Some of the latest key fobs include a feature that allows drivers to roll down the windows at the touch of one button. This is extremely useful during a hot summer day as the windows cool quickly. However, it is recommended to not shut the windows down for too long as bugs that are not wanted to enter your vehicle. The Keyless Entry System Keyless entry systems allow owners of properties to grant temporary access to delivery personnel, visitors, and contractors with the use of a PIN number that expires at the end of a specified period of time. This system allows managers to restrict access to employees in accordance with their specific roles. It also can be integrated seamlessly with commercial door control systems as well as video surveillance systems. Many businesses invest in a commercial keyless entry systems in order to improve their security and efficiency as the world becomes increasingly digitalized. These systems are getting more and more popular all over the world due to their advanced features such as remote management and real-time monitoring capabilities. They are simple to install and require little maintenance. They are perfect for commercial buildings that need to increase security but not sacrifice convenience. If you're seeking to upgrade your car's current key fob experts at Lexus of Cherry Hill recommend buying the SmartAccess Card Key, which is roughly the size of two credit cards stacked on top of one another. The keys include a garage door opener that allows you to unlock your car and remotely start the engine without the necessity of a key. You can also control your vehicle's climate as well as lock and unlock the doors, and even open and shut the sunroof with the key fob. The Digital Key The Digital Key is one cool feature Lexus provides. It allows owners to lock and unlock their doors and start their ignition with a push button anywhere in the world with their smartphone. To access the Digital Key feature, a driver must first download their car manufacturer's mobile app. From there they can make a user list for family members and friends, who are then able to unlock their car through the app. The owner can then grant temporary access to anyone and then revoke it at any time they'd like. Another benefit of the Digital Key is that it doesn't need a cell signal to function, which means it works even in underground garages for parking. Additionally, it doesn't have the same weaknesses as traditional key fobs, which are susceptible to being compromised by MITM attacks. If your Digital Key is not working properly, it could be that you have to replace the battery. To change the battery, you need to open the key fob cover with an flat-head screwdriver. Wrap the tip of your flathead screwdriver with tape to protect it from scratches. Next, remove the emergency key blade stored in the same spot. Replace the old CR2032 with a new one. Make sure that the plus side of the battery is facing upwards. After G28 , snap the electronic key module back into place and test your Lexus to ensure it works.