Hard bumps turn my 4 ways on

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Author Message   Damien Vrontisis (Dvrontisis) Member Username: Dvrontisis Post Number: 43 Registered: 04-2003 Posted on Thursday, April 24, 2003 - 09:17 pm:    tonight i hit a bad bump too fast and it turned on my 4 way hazard lights. Any idea why?   Dan Armbruster (Dan_armbruster) Member Username: Dan_armbruster Post Number: 81 Registered: 04-2003 Posted on Thursday, April 24, 2003 - 09:21 pm:    This happened to me last weekend. I thought something bad happened but i just turned ignition off and they stopped. I was goin maybe 45 and hit a spot where new asphault had just been layed.   Chris Marcel (Gumarcel) Senior Member Username: Gumarcel Post Number: 262 Registered: 11-2002 Posted on Thursday, April 24, 2003 - 09:21 pm:    it happens to me all the time and my interor lights also come on for a while. I dunno why, but it happens enought that I really don't care much about it anymore. Marcel   Damien Vrontisis (Dvrontisis) Member Username: Dvrontisis Post Number: 44 Registered: 04-2003 Posted on Thursday, April 24, 2003 - 09:27 pm:    haha i think it's rediculous... what the hell is causing it?   Santo (Santo) New Member Username: Santo Post Number: 38 Registered: 02-2002 Posted on Thursday, April 24, 2003 - 10:36 pm:    I thought it was just mine... LOL It happens to me also when I take large speed bumps too quickly. I assumed it was some sort of safety feature and that the Disco just figured you got into an accident and flipped on the four-ways for you in case you were unconscious Is there any technical explanations? Santo 98 Disco LSE   Santo (Santo) New Member Username: Santo Post Number: 39 Registered: 02-2002 Posted on Thursday, April 24, 2003 - 10:42 pm:    Found it in the shop manual under Anti-theft System Function... Inertia switch An inertia switch is incorporated in the alarm system ECU. If ignition is on and the vehicle receives an impact sufficient to activate the inertia switch, the ECU will signal to unlock central locking actuators and flash hazard lights. Central locking will remain disabled for 30 seconds. To reset turn ignition off and then on after the 30 second period has elapsed. Hope this helps, Santo   Danno (Danno) Member Username: Danno Post Number: 221 Registered: 08-2002 Posted on Friday, April 25, 2003 - 08:31 am:    i know this might be crazy, but if you look in the owners manual, it's in there... and if you hit the dash board hard enough, it'll set them off too...   Kirk Thibault (Kirkt) Member Username: Kirkt Post Number: 68 Registered: 11-2002 Posted on Friday, April 25, 2003 - 01:54 pm:    On a D2, there is a reset for the inertia switch in the engine compartment on the passenger side firewall. Press down on the top of the reset assembly to reset the switch. You can also do the ignition reset method on a D2 as well. I am not familiar with the D1.