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Smart Car Key Replacement Smart keys are the next step in the field of car key technology. These keys can open your doors and even start your car with the push of a switch. They are more expensive than standard key fobs, and are more difficult to replace. You can obtain a replacement smart car key from your dealer or a professional locksmith. Both are comparable, but provide different services. Keyless Entry System The keyless entry feature inside your car gives you a higher level of security that enables you to unlock your car and start it without having to remove your key from your pocket. This is accomplished by sending the wireless signal to a receiver built into the interior of your car. The receiver then activates the doors and then starts your engine. The key fob is an electronic chip that has an identifier unique to it and is linked to the receiver of your car. When you turn the key in your ignition, the matching pair indicates that you are near to the car and allows the car to open the door and start the engine. It can be a challenge to get your smart key replaced if you lose it. In most cases, you'll have to visit the dealer to show proof of ownership. They can then connect your new key with the car. Some modern vehicles allow users to use an app that you can download on your smartphone to replace the key fob. These systems are called “keyless entry” and can be used to open and begin the car, as well being able to lock and unlock doors. This kind of system can be added to the factory remote you already have or as a part of a security package that is custom-designed. This system is also popular in commercial buildings and apartment complexes. Transponder Keys In essence, it's car keys that have a microchip integrated into it. The chip emits an activating signal whenever it is close to the ignition. This makes it difficult for anyone to start your vehicle without the original keys, which helps to prevent the theft of your vehicle. The microchip contains a digital serial code that authenticates the key. If the key is placed close to the ignition, the chip transmits an unintentional radio signal that a special receiver in the car detects. The signal is then sent to the engine controller unit (ECU) in order to start the car. In addition to the security benefit Key fobs can also open your door locks and let you open the sunroof and windows. It can be used to disable your immobilizer, which disables the engine of your vehicle when the key is pulled out of the ignition. Some chip keys are more sophisticated and come with different levels of security. smart keys cars of GM have an anti-theft function that stops the car from starting if you use the wrong key. This is accomplished by having an additional resistor in the key that is one of 15 possible preset resistances. If you're unable to locate your smart key or it is lost, getting replacement keys from a dealer could be a good alternative. It can be expensive and you may have to pay a locksmith a dealer in your car to reprogram the new key. Smart Keys Smart keys are now available from several auto manufacturers. The days of pressing a keyhole or playing around with the keyhole are over. These keys are shaped like plastic cards, and include an electronic sensor that connects to your vehicle's computer. They can unlock your car, open doors, and even start the ignition, all without a physical key. The original iterations of these keys required drivers to insert them into a slot where an onboard computer would check the signal. However, the newest RFID technology allows you to start and open cars without the need for a slot. In fact, you require the key to be within 1.5 meters of the vehicle. Smart keys will also alert you when the battery is running low. You can purchase a new key from a locksmith, or follow the directions in your owner's guide to replace it. If you're using a factory remote-controlled smart key and want to know the procedure to get a replacement one by looking through your dealer's inventory or contacting the dealership. If you need a spare, you can purchase an aftermarket compatible key from a car parts retailer. They will usually pair it with your current key to avoid a costly dealer charge. You can use it as a back-up in case you lose your primary key. Smart Key Replacement Smart keys are now available in a wide range of modern vehicles. They can unlock doors or start engines, and do other things without the driver having to touch or hold their key fob. These keys communicate with antennas that can detect and recognize the specific signal that comes from the key fob. The convenience of a smart key for cars is the main benefit. It makes it less difficult to fiddle around with keys every time you pull out of the driveway. This could result in drivers locking themselves out of the vehicle. It makes starting and entering the vehicle much easier because it eliminates the need to locate and press buttons on the traditional remote. Another benefit of a smart key is its increased security. While other key fobs can emit the same frequency signal as yours smart keys emit an encrypted signal that is unique, making it more difficult for tech-savvy thieves to get a copy of your car's signal. However, just like other kind of car key smart keys could fail or be lost. A locksmith can replace them. They can reprogram the new fob to connect to the car's computer to allow you to lock it and start it up again. All they need is a new battery. Open the smart key fob and take out the old battery. Then, you can insert the new battery into the same holder, making sure to match every edge with the fob to make sure it's in a straight line at all points.