(Reuters) - Automakers should make shielding the electronic and computer systems of vehicles from hackers a priority, developing layers of protection that can secure a vehicle throughout its life, U.S. regulators said on Monday.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=IsHnu9xSYAE:JfBVnRLCMUw:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=IsHnu9xSYAE:JfBVnRLCMUw:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=IsHnu9xSYAE:JfBVnRLCMUw:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=IsHnu9xSYAE:JfBVnRLCMUw:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=IsHnu9xSYAE:JfBVnRLCMUw:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/IsHnu9xSYAE" height="1" width="1" alt="" />