52 plate forester sigma problem
 

hi i have a 52 plate forester turbo fitted with a sigma alarm, when i set the alarm it set fine and locks the doors but no sound from siren after 15 seconds the lights flash continuously as if the alarm has been set off but no siren again, if i press the fob again it sets ok? please help its driving me insane

Hi

Will the siren sound on second press ?

Ian