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Smart Car Key Replacement

Smart keys take the technology of car keys to the next level. These keys can open your doors and start your car with the push of a switch. These keys are more expensive than standard keys and are more difficult to replace.

You can get a replacement smart key from a local dealership or from a professional locksmith. Both are similar, but provide different services.

Keyless Entry System

The keyless entry system in your car is a sophisticated security feature that lets you unlock and start your car without taking the key out of your pocket. It works by sending an wireless signal that is detected by a receiver integrated in the interior of your car. The receiver opens your car's doors, and also starts the engine.

The key fob is equipped with an electronic chip that has an identifier unique to it that is coupled to the receiver of your car. When you turn your key in the ignition and the matched pairs detect that you're in the vicinity of the car. The car will then open the door or begin the engine.

If you lose your smart key, it can be a headache to get it replaced. In most cases, you'll have to visit the dealer to show proof of ownership. They can then pair your new car key with the car.

Some modern vehicles allow you to use an app on your phone to replace the key fob. These systems are referred to "keyless entry" and can be used to start and open the car, as well for locking and unlocking doors. This kind of system is available as an upgrade to the factory remote or as a part of a customized security package. This system is also popular in corporate buildings and apartment complexes.

Transponder Keys

Basically, this is a key for your car that has a microchip integrated into it. The chip emits an electrical signal when it's close to the ignition to activate it. This makes it difficult for anyone to start your vehicle without the original keys, which helps prevent auto theft.

The microchip has a serial code that authenticates the key. When the key is close to the ignition, the microchip sends an low-level radio signal to a specific receiver inside the car. It then transmits the signal to the engine controller unit (ECU) in order to start the car.

Key fobs are not only a security feature however, it can be used to open your doors, and open the windows and sunroof. It can be used to disable your immobilizer, which blocks the engine of your vehicle when the key is pulled out of the ignition.

Certain keys with chip technology are more sophisticated and come with different levels of security. The VATS key of GM comes with an anti-theft feature which stops the car from starting if you use the incorrect key. This is done by using a different resistor within the key which has one of the 15 resistors that are preset.

A dealer replacement smart key could be the best solution for you if you are unable to locate your smart car key fob programming keys or if they are lost. It can be expensive and you may need to pay a locksmith or an auto dealer to reprogram the new key.

Smart Keys

Smart keys are now offered by a number of car manufacturers. The days of pressing a keyhole or playing around with the keyhole are gone. These keys resemble plastic cards, and they have an electronic sensor which connects to the computer in the vehicle. They can unlock your car as well as open doors and turn on the ignition without a physical car key.

The original iterations of these keys required drivers to insert them into a slot in which an onboard computer would check the signal. The most recent RFID technology allows cars to be opened and started without the need for a slot. In fact, you only require the key to be within 1.5 meters of the vehicle.