drain the coolant

[leem]

how can i DIY drain the entire coolant and refill it, is there a duct or something that needs to be opened? as i have recently got this 2nd hand car i want to change everything by my self just for my satisfaction and as this is my first car so i am a bit lost

thanks

[yaahoome]

There is coolant drain bolt under the radiator u need to open it.