means get it to a repair shop
if car is leaking fluid , it has a leak a leak and steaming indicates it is engine coolant and the engine is over heating find the leak and fix it before your trash your engine
Green fluid leaking from a car is radiator fluid. "A professional certified mechanic can handle the repair or maintenance needed to fix this issue."
Probably your radiator fluid leaking out.
Coolant
If a Mazda MPV is leaking yellow fluid then it is possible that the fluid is brake fluid. It is best to take the car to a mechanic right away.
sounds like transmisstion fluid or power steering.
Your oil is probably leaking. If the car is old, then it's likely to be scrap!
Break fluid is a possibility.... Do not use the car until a qualified mechanic has checked it out.
It means you have a leak. If it's black, the fuel filter housing would make a likely suspect.
It's the only green fluid in a car.
You really have to just find out where it is leaking and what it will take to repair it. GoodluckJoe