I need a good opening line / advice against the panov attack

I play caro kann and one of my classmates against the caro kann plays the panov attack. I need some opening line to counter the attack or atleast make me better (i play black

1) e4-c6 2) d4-d5 3) exd5-Qxd5 and we're going to play Scandinavian Defense.

Problem can come 1) e4-c6 2) c4-d5 3) exd5-cxd5 4) d4 because you fall back into a Panov attack but 2) c4 is normally not very played. 

How about 1... e6? If you don't want to switch to the French and want to continue playing the Caro-Kann, 4... Nf6/e6 (or 4... g6 5. cxd5 Nf6 6... Nxd5 if you want to play slightly more defensive) are your best bets.

All I can say is invest in a book on the Panov.  There are 2 good lines.  Matter of choice.  4...Nf6 5.Nc3 e6 or 4...Nf6 5.Nf3 Nc6.  Both are riddled with theory, and so a forum is not going to get you enough info.  If you have no interest in putting in the time, the Caro is not the right opening for you.  It is fully sound, but not an opening that can be played intuitively.

There isn't really anything that can punish the panov attack by white, so I suppose you just have to accept the fact that only white is playing for a win.

...Nf6, ...g6, ...Bg7, ...O-O, ...Be6, ...Nc6 (not necessarily in that order)

he's 900 rapid, I think it might be closer to "normal race car driver" and "because you can drive a car competently"

If he can get a couple basic ideas or piece placements down, it won't hurt.

I prefer Bf5 first, and then e6 in these positions. Only because the active bishop can become a surprising mating piece in the late middle game. I recently have seen this in Kosteniuk's games, but also Carlsen and Naka play this. It's almost like a reverse London.

1) e4-c6 2) d4-d5 3) exd5-cxd5 4) c4-Bf5 5) Qb3 :

a : 5)...Qb6 6) Qxb6-axb6 7) cxd5 playing a position without Queens with one less Pawn, I call that having missed its opening.

b : 5...Qc7 (if 6.cxd5 ??-Qxc8) 6) Nc3-dxc4 7) Bxc4-e6 8) Bf4-Qxf4 9) Qxb7 and for example 9)...Qxd4 10) Bb5+_Nd7 11) Qxa8 + winning position.

c : 5)...Qc8 6) Nc3-dxc4 7) Bxc4-e6 8) Bf4-Nf6 and just moves like 9. Nb5 or 9. d5 is not very reassuring or pleasant to play as Black

d : 5)...Nf6 6) Qxb7-Nbd7 7) Nc3-dxc4 (if 7...e6 8.c5) 8) Bxc4 White plays a position with one more Pawn. 

My suggestion: Go to chessgames.com [or the like] and look at Panov games that black won. Print out and play thru 50 or 60 of them on a physical board, write down the tactics you see, make a diagram of piece placement and try to summarize in words what black was trying to do. You will play better. (After that, when you play a Panov game, look at your printed games to find something similar and compare.) - Bill