When the driver steps on the brake, it triggers a sensor in the tail light assembly (near the rear license plate) that alerts the control module in the car. The module then sends a signal to lock all of the doors.

Newer cars won't auto-lock the vehicle when the keys are still inside. But sometimes, they auto-lock anyway no matter whether the keys are inside the car or not. . This will cause us problems of not accessing the vehicle when the owner is outside of the car. .

Some vehicles have an Auto-lock or automatic door lock system. How does this system work? Electric car door locks operate by receiving a radio signal transmitted by the car key fob, signalling the actuator to activate, which then routes the command through the correct path (lock/unlock) and performs the desired action.

The primary role of an auto locksmith is to unlock your vehicle when the requirement arises. However, a good locksmith should be specialized in removing broken keys, creating duplicate keys, or replacing them, and – in certain rare situations – being to replace the entire locking system and ignition switches.