Tesla Model X According to Tesla Motors, deliveries were lower than expected because production was impacted by severe Model X supplier parts shortages in the first two months of 2016, and because Tesla had been too ambitious in wanting advanced features (committed "hubris"). The first Model X that didn't need corrections was made in April 2016. Sales during the second quarter of 2016 totaled 4,638 units. Although production was up 20% from the previous quarter, the number of vehicles in transit at the end of June 2016 was much higher than expected (5,150 including Model S cars), representing 35.8% of the number of
Tesla Model S vehicles. In addition to adaptive cruise control and lane centering, a "Tech Package", together known as Autopilot, option enables semi-autonomous drive and parking capabilities. All Model S cars sold since October 2014 have the option to enable Autopilot, which allows limited hands-free driving. Autopilot-enabled cars receive software wirelessly, the same as other car software updates. According to Elon Musk, the Model S was designed to be a computer on wheels: "We really designed the Model S to be a very sophisticated computer on wheels. Tesla is a software company as much as it is a hardware company. A huge part