Which groundbreaking autonomous driving feature did Tesla first introduce in its October 2015 software update that represented a major product innovation in the transportation industry?

Tesla has been at the forefront of autonomous driving technology in the transportation industry. Their Autopilot and Full Self-Driving (FSD) features have revolutionized how we think about vehicle automation. This poll tests your knowledge about a significant product innovation milestone in Tesla's self-driving technology journey that changed the transportation landscape.

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Autopilot 1.0 with highway autosteer and adaptive cruise control
Full Self-Driving capability with urban street navigation
Smart Summon feature allowing cars to navigate parking lots autonomously
Navigate on Autopilot with automatic lane changes on highways