How serious are the crashes where this part is cited?

In NHTSA's crash sample (CRSS, 2019–2022), 6.8% of police-reported crashes that cite head lights ended in a serious or fatal injury, against 2.9% of all police-reported crashes. A crash that cites a system is not necessarily a crash that system caused.

No Apparent Injury47.5%

Possible Injury22.6%

Suspected Minor Injury19.8%

Suspected Serious Injury5.4%

Fatal Injury1.3%

What it shows: No Apparent Injury is the largest at 47.5%, followed by Possible Injury at 22.6%; the smallest shown is Fatal Injury at 1.3%.

Source: NHTSA Crash Report Sampling System (CRSS), 2019–2022 pooled · data from 2022