Elon Musk unveils new safety upgrades to Tesla's Autopilot system

Elon Musk unveiled a series of much-anticipated upgrades to Tesla's Autopilot system on Sunday. The electric carmaker is facing widespread scrutiny following several Autopilot-related collisions, including a fatal crash that occurred in Florida in May. Musk, Tesla's billionaire CEO, said the upgrades "will be a really dramatic improvement in the safety of the vehicle," he told reporters on a Sunday press call. SEE ALSO: Tesla's Autopilot just got a lot more expensive without getting any better The tech mogul said that Tesla had reviewed most of the changes with the U.S. National Highway Transportation Safety Administration (NHSTA). The federal agency is investigating two recent crashes involving Tesla cars and is expected to unveil broader regulatory guidance on autonomous vehicles in coming weeks.