What is the flashing blue light in the car?

[Ferreira]

In a car, the flashing blue light is the anti-theft indicator light. Here is relevant information: 1. Function of the anti-theft light: Its purpose is to indicate that the vehicle's anti-theft system has been activated when the driver locks the doors using the remote control after exiting the vehicle. The car anti-theft system is designed to prevent the theft of the vehicle itself or items inside it. It consists of an electronically controlled remote or key, electronic control circuits, alarm devices, and actuators. 2. Types of electronic anti-theft systems: Key-controlled type, which sets or deactivates the anti-theft system by using the key to lock or unlock the doors. Remote-controlled type, which allows long-distance control of the door locks to activate or deactivate the car's anti-theft system.