Y yeowguy Sr. Member Jun 5, 2012 #1 Joined Jan 22, 2007 Messages 184 Likes 0 Points 16 Jun 5, 2012 #1 Does anyone know how to disable the Factory alarm on a 2008 Hyandai Elantra? There is no Valet Switch that I can see. The alarm keeps going off randomly. If someone could help me out I would greatly appreciate it.