thanks for that.
by that it would mean that as my light doesn't come on and stay on for 3-5sec my key may have lost its code?
iv tried it several times and still the same, so if my key has lost its code that would make sense.

I was driving home from the docs only 1/4 mile and turned left got to change from 2nd to 3rd gear and the car cut out. when I stopped I tried to restart the car and it just turned over. so I left it for the day and tried the next it turned over but no start for about 3/4 times then I tried again nothing. ignition lights come on sometimes the dash doesn't tell me the millage and no pump priming.
if I turn the key quickly on and off a few times the car makes a beep and the light stays on for 2sec then goes off but still the same.

a strange one!
thanks