I have a Peugeot 207 same problem ?

I have a Peugeot it has only done 30000 miles the gear box faulty keeps coming up and flashing sports mode and snow mode but when I turn the car off and on it goes then come back when driving I need my car for work dose anybody know what this defiantly is and I have read a few comments and is seems like this is a common fault with Peugeot cars and don't understand why these problems are happening even with the new models HELP!!!!!!!!!!!!