Re: Coolant/radiator help please!!!
You will have to get under the car to drain it. I had to jack the front of the car high enough to get access. You can put a floor jack under the plastic pads just behind the front tires and hoist there.
I'd let the engine cool down before doing this so you don't get burned by hot coolant. Crawl under the front and look up at the bottom of the radiator on the driver's side. You will see an access hole in the steel frame with a red plastic circle inside. That circle is the valve to open and close the drain. Use a flat blade screwdriver to open it counterclockwise. Have a pan ready, because the coolant will immediately begin to drain out the back side of the radiator just above this red valve. Let the coolant drain for at least 30 minutes, and you should get a little over 2 gallons out, so make sure you have a big pan, or several small ones.
When done, close the red valve clockwise and fill the coolant reserve tank with new coolant. You can either buy some that is pre-mixed 50/50, or buy the concentrate and mix it 50/50 with distilled water. While filling, squeeze the various coolant hoses to help release air bubbles that may be trapped in the system.