* With the key: This is the most common method. Insert the key into the lock cylinder and turn.
* With a key fob (remote): Most modern cars have a key fob with a button to unlock the doors remotely.
* Using the car's central locking system: Some cars have a button inside the car to lock and unlock all doors.
* Manually using the inside door handle: If the car is already unlocked internally, you can unlock the door from the inside.
* Through the window (if possible): If a window is open, you can reach in and unlock the door manually. This is generally not recommended due to security risks.
* With a spare key: If you've lost your main key, a spare key can be used.
* Using a professional locksmith: If you're locked out and can't use any of the above methods, a locksmith has specialized tools to unlock car doors without causing damage.
* Using a smartphone app (some car models): Certain car manufacturers offer smartphone apps that allow you to unlock your car remotely.
The best method depends entirely on the situation and the type of car.