Hi customer - We are sorry to hear you’ve had difficulty with the SmartControl Gas Can. To open or vent the fuel can, the green tab on the neck ring must be pressed down and the black cap slowly turned counter-clockwise. The green tab must be pushed hard enough to clear the teeth on the black cap, providing the necessary clearance to allow the turn. Once the fuel can is vented, retighten the black cap. TO POUR: There are two steps to using this spout. Step 1. UNLOCK: Using your palm, press and hold the small dark green lock tab up to unlock. Step 2: POUR: Place your fingers over the black grip and keeping the lock tab depressed and using your palm, squeeze to slide the large light green block forward to release the fuel. The large light green block will need to slide all the way forward to achieve maximum flow. There is stiffness expected when pressing the green neck ring tab as well as when sliding the large light green block forward as both are part of the child resistant features. For your convenience, the video "How To Operate Your Smart Control Fuel Container" can be found at the following link and should help: https://www.scepter.com/safety/instructional-videos/ . We conduct 100% leak testing of this product so if the cap is screwed down and tightened securely, this should not leak. Please contact our customer care team at 1-855-857-3252 or email customerservice@scepter.com so that we can resolve this for you.