Peagout 306 Diesel 1.9 XRDT Immobiliser Problem

This problem got fixed but led to another problem - my radio had been disabled and I had to enter a radio code to activate it again. I've had the code, but I couldn't fathom how to enter the code on to the machine (I know now - you have to press '1' six times, '2' 5 times etc). As I tried to work out what was going on I hit upon the idea of taking the battery out to reset the radio - not only did this not reset the radio, but now every time you try and turn on the engine you here a beeping noise and the alarm light starts flashing. Worse than this you can't start the engine. Thus I assume the car has been immobilised - I know I' very stupid, but does anyone have a solution for me? Guess what, I had exactly the same problem. Normally the immobiliser is switched off by the remote central locking plip, so after replacing the battery, lock and unlock the car with the plip. If this is not working (as in my case) you need to put the key in the ignition, then hold down the alarm button on the RH of the steering column, then turn the ignition on to the normal run position. the immobiliser will be switched off.