On July 6, 2012, the President signed into law a new two-year transportation reauthorization bill, the Moving Ahead for Progress in the 21st Century Act (MAP-21.) This bill authorizes funds for Federal-aid highways, highway safety programs, transit programs, and for other purposes. This book responds to the MAP-21 requirement that the Secretary of Transportation to "complete an examination of the need for safety standards with regard to electronic systems in passenger motor vehicles." Moreover, the book reviews security and privacy gaps that put American drivers at risk.