sir, ganun din nangyari sa car ko isa lang ang key at alarm nung binili ko ang car. as mentioned by sir niky, bili ka nalang aftermarket na alarm, marami pa mas maganda at features niya. i recommend Autopage kahit yung RF-315 model lang ok na.mga 3k+ lang yun. Lam ko may actuator na yang car mo, so no need na for that.basta magaling yung installer!