Anyone here na nag painstall ng alarm sa hyundai authorized electrician? or nag pa install nlng sa ibang shop na mas good quality ung alarm and brand na ipapa install nyo..at the same time more cheaper balak ko po kase pag pa install nlng ng alarm sa ibang shop doble kase price sa casa kesa sa ibang shop, kya lng ma void dw ung warranty ng car ko.. please help nman po give me advise.. thank you...