One is self-locking, and when it is stolen and touched, it will whistle for warning; But experienced thieves can steal cars as long as they destroy the system in advance.

Another anti-theft system is connected to the anti-theft center. Once the car anti-theft equipment is damaged, the anti-theft center will display abnormality and call the owner immediately. At the same time, start tracking and positioning, even if the vehicle is stolen, it can monitor the whereabouts of the stolen vehicle and provide police interception.

The icon has another meaning, warning people who want to steal a car: the car is equipped with an anti-theft system in order to let the thief retreat.