Repost. TOYOTA RECALL: Reports of Runaway Cars

Four Dead in Dallas Crash Where Problem Floor Mats Found in Trunk

Seems the problem has nothing to do with floor mats.

Scroll down, and click on the video - a “breakthrough case” in which a driver brought his vehicle to a dealership while it was mis-behaving. Also, check out the comments, for example by sjmbandit 12:45 AM and by sickandtired1951 12:20 AM and 12:02 AM.