Why does my phone alert me about abnormal door opening?

[HarperAnn]

When the car door is not properly closed and you attempt to lock the vehicle, you will receive an alarm notification if someone tries to open the door without unlocking it. Below is relevant information about car doors: 1. Introduction: Car doors provide entry and exit for drivers and passengers while isolating external disturbances. They offer some protection against side impacts and enhance passenger safety. The aesthetic appeal of a vehicle is also influenced by door design. The quality of car doors is primarily reflected in their anti-collision performance, sealing capability, and ease of opening/closing. Anti-collision performance is particularly crucial because during side impacts, the buffer distance is extremely short, making occupants vulnerable to injury. 2. Classification: Car doors can be categorized into front-hinged doors, rear-hinged doors, sliding doors, gull-wing doors, and folding doors.