Quoman ,here are a few tips ta help ya if ya ain't got it sorted. . .the 4 door volumetric alarm can be adjusted for sensitivity ,common problems are water ingress fom Ariel running down ta cpu , one that is missed a lot is water or damp in bonnet up alarm switch [wd 40 ] linking this out ta eliminate it from being a problem is a good idea ,failing the simple things then its back ta lr,best oh luck. . .