Sigma alarm no sound at all
 

Hi guys got a issue ,
2001 wrx.
Has the sigma alarm, you can arm/ disarm the system but 30seconds the alarm flashes but no sound, just hazards, reset the fob goes off again 30seconds later, so I've been using the key but every time I start the car I have to blip the fob to turn of the imboliser
Any ideas?

Between unlocking and starting the engine you have about
30 seconds then the immobiliser will switch itself on.

Are you taking longer than 30 seconds between unlocking and starting?

fixed was the bonnet switch bolted to low so was constant telling itself bonnet was open lol