What is prohibited for the driver, as well as the passengers of the vehicle, when opening the doors?

• 1Only opening the doors of the vehicle if this endangers safety and creates obstructions for other road users.
• 2Only leaving the doors of the vehicle open if this endangers safety and creates obstructions for other road users.
• 3Only getting out of the vehicle if this endangers safety and creates obstructions for other road users.
• 4To open the vehicle's doors, leave them open, and exit the vehicle if this endangers safety and creates obstacles for other road users.