Under transport emergency management standards, what type of fire extinguisher is mandatorily equipped in an online ride-hailing passenger car?

1. A bucket of garden soil and a watering hose
2. A valid, inspected ABC dry powder fire extinguisher (ABC干粉灭火器) or water-based fire extinguisher placed in an easily accessible location
3. A bag of dry ice cubes stored in the trunk
4. No fire extinguisher is required for passenger cars