ronttuk Posted December 27, 2011 Share Posted December 27, 2011 Ive got a viper 480 fitted to my supra when it was 1st fitted it was forever going of for no reason the installer came back and adjusted the sensitivity all seemed ok until Christmas eve when i saw a bloke reverse into my supra not once but twice and the alarm never went off!! After exchanging details etc i can only see a broken number plate in the daylight. But does anyone know how to adjust the sensitivity so if it happens again the alarm will go off .. Link to comment Share on other sites More sharing options...
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