How do I change the thermostat on my 1997 honda accord sedan 4 cylinder lx?

How do I get to the radiator drain plug to release coolant?How do I change the thermostat on my 1997 honda accord sedan 4 cylinder lx?If you can't release the drain at the base of rad then just remove the lower rad hose at rad itself or from engine, same results, even faster draining.