switch versus the switches which were in the 2005 to 2007 chevrolet cobalts which i examined. 1.6 millimeter is approximately the thickness of a quarter. what that shorter plunger does is it does not exert enough force to hold it in the run position. >> as a result, it can switch out and that disabled a lot of electronic systems including the airbags, is that right? >> that's correct. airbags, the power steering and power brakes. >> you went to the junk yard. in your opinion, if this was changed, they had to know why they were changing it, right? >> well, that's correct. and there were -- there are indications early on, at least with the launch of the 2005