IIHS Research Program Continues to Map ADAS Safety Benefits and Repair Complexity Trade-Offs

Throughout 2023, the Insurance Institute for Highway Safety maintained one of the most active research programs tracking how advanced driver assistance systems perform in the real world — both in terms of the safety benefits they deliver and the complications that arise when they require repair. The IIHS advanced driver assistance research program covered multiple dimensions directly relevant to auto-glass shops.

The institute's prior February 2023 survey had found that roughly half of owners who needed crash-avoidance systems repaired experienced post-service problems. That finding drove continued attention to calibration quality and the conditions under which it succeeds or fails. IIHS researchers, led by Alexandra Mueller, continued to track owner experiences with ADAS features throughout the year.

The research program also covered effectiveness data: IIHS findings showed that automatic emergency braking reduces police-recorded rear-end crashes by 50 percent. This performance figure became important in conversations about NHTSA's proposed AEB mandate, supporting the agency's projection that a universal AEB requirement could save at least 360 lives annually. For auto-glass shops, the safety-effectiveness data reinforced why calibration quality matters beyond mere regulatory compliance.

IIHS research in 2023 also touched on blind-spot detection systems and their camera-and-radar sensor configurations, rear-view camera reliability, and the relationship between vehicle age and ADAS system performance. The finding that crash-avoidance benefits hold up consistently in vehicles over five years old — even as those vehicles move into the used market and potentially visit independent shops for glass work — has implications for how independent technicians should approach calibration on high-mileage, late-model vehicles.

For shop owners who follow IIHS research, the 2023 body of work offered a consistent message: ADAS systems are safety-critical, their camera and sensor components degrade predictably with misalignment, and the repair process is the point of highest vulnerability for system performance. Shops that position themselves as competent in this domain — and can document their calibration results — serve a genuine consumer safety need.

The institute also maintained public-facing resources explaining ADAS systems to consumers, which shop owners can reference when explaining calibration requirements to customers who are unfamiliar with how their vehicle's safety systems work.