What causes the car lock icon to flash on and off?

[OTimothy]

The flashing car lock icon indicates that the anti-theft system is active. Here is a related introduction to the car anti-theft system: 1. Definition: The car anti-theft system is designed to prevent the theft of the vehicle itself or items inside the car. 2. Main function: It prevents unauthorized individuals from using the car's own power to steal the vehicle, i.e., it prevents illegal engine ignition. 3. Importance and components: The vehicle anti-theft system and the engine immobilizer system are essential for ensuring vehicle security. The anti-theft system consists of an electronically controlled remote or key, electronic control circuits, alarm devices, and actuators.