Central Door Locking System (CDLS) is an electronic security feature in vehicles that allows all doors (and sometimes the trunk/fuel lid) to be locked or unlocked simultaneously with a single command. It enhances convenience, safety, and theft protection.
How It Works:
- The system uses actuators (small motors) inside each door.
- When activated (via key fob, button, or manual key turn), a signal is sent to the central control unit, which triggers all locks at once.
- Modern systems may include remote keyless entry, automatic locking while driving, and child safety locks.
Why It’s Important in Cars:
- Convenience – No need to lock/unlock each door manually.
- Safety – Quickly secures all doors in emergencies or unsafe areas.
- Anti-Theft Protection – Prevents unauthorized entry when parked.
- Integration with Security Systems – Often works with alarms and immobilizers.
- Automatic Features – Some cars auto-lock when driving or unlock after a crash.
Common Types:
- Manual Central Locking (via key or button inside the car).
- Remote-controlled (wireless key fob operation).
- Smart Key System (keyless entry with proximity sensors).