The car door lock is designed to close doors and prevents unauthorized access to the car. A modern door lock is an important element of the vehicle's passive safety system. In the event of a side impact, it transfers and dissipates forces from the door to the body.

In addition, the door lock must meet the requirements of comfort - have a pleasant sound when closing, tactile sensations when opening the handles. A car door lock is a part of a locking system that, in addition to it, unites the locks for the hood, trunk lid, fuel filler cap, and glove box.

1. YARIS (_P1_)
2. ECHO (_P1_)
3. YARIS/VITZ (_P1_)
4. VITZ/ECHO (_P1_)
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The construction of the car door lock

Structurally, the car door lock combines mechanical and electronic parts. The mechanical part provides the implementation of the main functions: closing, opening, locking, unlocking. The electronic part is represented by various electronic control systems for the mechanical part - central locking, remote control, intelligent access system.

The mechanical part of the METZGER brand Door Lock, depending on the manufacturer, car model, door type, has a different design. At the same time, the following general device of a car door lock can be distinguished: locking, lever and blocking mechanisms.