Can someone please help me, i bought my first mk5 zs a few days ago, when i bought it was told the fob works but batterys dead, today i went and got a new battery but it wont work i have tried a few different sequences to reprogram the key but that wont seem to work, the car starts fine, but cannot get the fob to work at all.. any suggestions or sequences i can try please people? Also.. am i being stupid.. i dont have the red key.. only one black 3 button.. should this still work?