Under what conditions are the driver and passengers of a vehicle prohibited from opening the vehicle's doors, leaving them open, and exiting the vehicle?

• 1If the carriageway of the road is of small width.
• 2If this threatens road safety.
• 3If this creates obstructions for other road users.
• 4Answers 1, 2, and 3.
• 5Answers 2 and 3.