Attached is a copy of a letter to NHTSA from Global Automakers and the Alliance of Automobile Manufacturers regarding a cybersecurity initiative with the goal of establishing a voluntary automobile industry sector information sharing and analysis center or other comparable program for collecting and sharing information about existing or potential cyber-related threats and vulnerabilities in motor vehicle electronics or associated in-vehicle networks (Auto-ISAC). This letter was sent to NHTSA on July 1, 2014. Also attached is a copy of a July 14, 2014 response letter from NHTSA signed by Acting Administrator Friedman.