Rotate your wheel/tire so the cap is upside down from your point of view.
Spray a small amount of lubricant onto the... moreRotate your wheel/tire so the cap is upside down from your point of view.
Spray a small amount of lubricant onto the Tubeless Snap Tire Valve.
Tightly grasp the base of the valve stem with pliers.
Grasp the cap with your other set of pliers and twist until it becomes free.
Replace cap after filling tire with proper amount of air.