I thought teenage boys were supposed to be easy!?!

So my son thinks that now he has a drivers license he can go and do whatever he wants and be home whenever he wants! He also thinks it's alright to go and be at his girlfriends house for hours. According to him they are just hanging out and not doing anything they aren't supposed to.......RIGHT!!!! We also found out that he isn't going to Seminary in the mornings because he "hates it and thinks it's stupid!" What am I going to do with my child? That's just it, he is still a child. He might look like a man but he still acts like a child! It's hard because you love them and want to make them happy, but on the other hand, you have to look out for their best interest, which they absolutely do not agree with. Please Lord ,HELP ME!!!! He also doesn't want to go on a mission, who knows if he's going to college, and all he wants to do is hang out with his girlfriend because she makes him happy he says!
So he is really mad at us because he is on restriction from his truck, his phone, and his girl!!!
Life is miserable for all of us in our household. He just doesn't get it! All he has to do is get good grades(passing anyway), go to seminary on time, call us when he goes from one place to another, do his chores, and obey our rules. Then he can drive the truck, have his phone, and get to hang out with his friends and girlfriend! But NO, my child makes it soooooo difficult! He argues about everything and doesn't understand what he is doing wrong! KODY, you aren't following directions! Life would be so much simpler if you just would LISTEN!!! We really know what we are talking about, I promise. We love you so so much and just want the best for you. I really wish you would get that!
Does it sound like we are being unreasonable as parents? Please if anyone has any advise I'm all ears! All I know how to do is pray for Heavenly Father to help us and my child. Ed keeps saying that's why we only have one kid, because the Lord only gives you what you can handle and he knows we can only handle Kody!