The driver's door is the entry point for the driver of a vehicle. It is typically located on the left side of the car in countries that drive on the right and on the right side in countries that drive on the left. This door allows the driver to enter and exit the vehicle easily and is designed for convenience and safety. Most driver's doors are equipped with features such as a handle for opening, a lock mechanism, and sometimes a window that can be rolled down. Additionally, many modern vehicles include electronic controls for locking and unlocking the door, as well as side mirrors that can be adjusted from inside the car.