Level 0 Level 1 Level 2 Level 3 Level 4 Level 5
Behavioral risk
Only human risk Human risk but mitigated by ADAS Human risk but mitigated by ADAS Driver and AI risk (within well defined -restricted- ODDs**) Driver and AI risk (within well defined -extended- ODDs**) AI risk only
Internal risk
Only standard components Standard + automation enablers Standard + automation enablers Standard + automation enablers Standard + automation enablers Standard + automation enablers
Cyber risk*
None Low Low Medium High High
Connectivity risk*
None Low Low High High High
HMI risk*
None Low Medium High Low/Medium None

* Relative exposure to risks of the different automation levels, assuming that it is possible to measure and disentangle them
** ODD = Operational Design Domain is the set of all conceivable conditions, scenarios, restrictions that an AV may encounter in a predefined area
Source: Swiss Re Institute