This video shows the common cause for false alarms to be set on a 2007 2013 toyota highlander the video shows the hood latch switch details thanks for wat. How to replace just the switch on a hood latch assembly for a 2008 highlander this was done using an 4 automotive grade switch made by panasonic same man. We recently became the new owners of a 2008 toyota highlander it was in great shape and i thought we got a pretty good deal on it the previous owner disclosed to us that the hood alarm switch was flaky and the car alarm would go off randomly after we bought the highlander and returned. Source 2008 toyota highlander alarm goes off for no you most likely have a bad hood latch switch you can unplug this switch until you get it repaired to stop the alarm from going off see toyota tsb t sb 0331 08 posted on nov 04 2009. If youve got a 2008 2009 2010 or 2011 toyota highlander or toyota highlander hybrid and the alarm goes off for no apparent reason usually when its sitting for a prolonged period of time carspec may have the solution for your unplanned nightly wake up