How do you open the pitcock valve on a 2000 Pontiac Montana radiator?

The pitcock drain value is located on the lower left side of the radiator,you might need a pair of pliers to turn the drain.The coolant will drain out of the hole in the radiator's lower left ruubber mount. The pitcock drain value is located on the lower left side of the radiator,you might need a pair of pliers to turn the drain.The coolant will drain out of the hole in the radiator's lower left ruubber mount.