The cyclist was detected 6 seconds before impact as an object, it was 1.3 seconds before impact the system worked out it was a cyclist and deemed emergency braking was nessesary. A very damning report from the NTSC.
Full preliminary report - https://www.ntsb.gov/investigations/...010-prelim.pdf
Dave sums it up well in his video below.
https://youtu.be/DbT2aBlC0no

