What Are the Types of Car Keys?
1 Answers
Currently, common types of keys on the market include mechanical keys, remote control keys, touchscreen LCD keys, and smart wristband keys. Regardless of the type, the basic functions of these keys are to unlock the car doors and start the engine. Some remote control and touchscreen LCD keys can also enable features like automatic parking and vehicle information display. Basic Principle of Remote Control Keys: A weak radio wave is emitted from the vicinity of the car owner, which is received by the car's antenna. The electronic control unit (ECU) then identifies the signal code, and the system's actuator (motor or electromagnetic coil) executes the locking/unlocking action. This system mainly consists of two parts: the transmitter and the receiver. During use, it is important to avoid exposing smart remote keys to strong magnetic fields, such as high-voltage power lines or transmission towers, as these areas emit strong magnetic signals. Parking the vehicle in such locations should be avoided whenever possible. Since smart keys use low-intensity radio waves, they may not function properly under magnetic interference. Additionally, avoid dropping or throwing smart keys frequently, as although most smart key casings are quite durable, repeated impacts can lead to poor battery contact inside the key.
