Having just finished replacing the old orange coolant in my wife's 2018 edge 3.5na i can say that it was a pain in the butt to access the draincock, first had the car up on ramps so i could try and locate the drain valve,couldn't see anything so i started removing the lower air dam and put that aside and started searching for it with no luck so next up was the lower rad cradle 2 bolts on each end then pry carefully to remove the rubber isolators from the cradle tray and finally there it is on the Drivers side,with the cradle removed the rad does slip down some and is kind of sketchy. i attached a piece of drain hose to the draincock and with some pliers was able to open up the valve and drain the rad of the old Orange coolant, drained and filled with distilled water 3 times and ran the engine to let it flush out the old coolant from the block after which i filled with the latest rendition of gold vc-13g coolant. really glad i got this done and hopefully preserve the internal waterpump.