How to Open the Mechanical Key of BYD Song?
1 Answers
Song Pro mechanical key removal method: First, flip a switch behind the button, then pull out the cover plate, pry open the cover to remove the key back cover, and the mechanical key is hidden inside. Take it out to use. How to open the car door with a mechanical key: Insert the mechanical key directly into the keyhole of the door to open and lock the door. There is a hidden keyhole in the car's armrest box or under the cup holder. Insert the remote key to use the one-button start function. There are two types of mechanical keyholes: The first is more commonly used and is exposed outside. The second is a hidden type of mechanical keyhole. Some car models hide the mechanical keyhole under a cover to maintain the appearance's aesthetics. Just peel off the cover to see the mechanical keyhole. Car remote key: A remote key allows you to open and lock the door from a distance without inserting the key into the keyhole. Its biggest advantage is that, regardless of day or night, you don't need to locate the keyhole and can conveniently unlock and lock the car from a distance. The basic principle of a remote key is that it emits a weak radio wave from the key, which is received by the car's antenna. The electronic control unit (ECU) identifies the signal code, and the system's actuator (motor or electromagnetic coil) performs the action of opening or closing the lock. The system mainly consists of two parts: the transmitter and the receiver.
