i currently dont have a remote key fob with my car
if i bought this:
AUDI A4 / TT / 3 BUTTON REMOTE KEY - eBay Audi, Car Parts, Cars, Parts Vehicles (end time 24-Oct-07 15:35:31 BST)
and did what you stated above and put 1 key in the ignition and 1 in drivers door, i can have remote central locking? or am i being stupid?