Inclusive coverage
Population claims consider body dimensions, capability variation, older users and people with additional access needs.
IAF Standards Programme
IAF Automotive Health & Ergonomics
Occupant wellbeing, inclusive use and cabin comfort
An evidence-based framework connecting occupants, vehicle hardware, software, cabin conditions and operating practices across the declared service life.
First Edition | Working Draft 0.2 | 13 September 2026
Read the Full Working Draft38 clauses | Annexes A-J | 4 assessment profiles
At a glance
Health, Comfort and Safety Within One Declared Scope
The framework evaluates health-related risk, physical and cognitive ergonomics, cabin exposure and occupant comfort without allowing a comfort benefit to conceal a critical safety or health failure.
Real operating exposure
Journeys, professional shifts, climate, occupancy and foreseeable combinations are defined before conclusions are made.
Measured cabin conditions
Air, emissions, hygiene, temperature, noise, vibration, motion and lighting are assessed with controlled methods.
Bounded evidence
Every result identifies the configuration, user population, operating envelope, methods and unresolved limitations.
Assessment architecture
Four Profiles Define What Is Being Assessed
Profiles may be combined, but each retains a separate scope statement and its relevant vehicle interfaces.
Vehicle and cabin
For an identified complete vehicle configuration, intended occupants and declared operating conditions.
Component or subsystem
For a seat, filter, sensor, interface or other bounded item with installation assumptions stated.
Fleet or shared operation
For in-use vehicles, professional work patterns, cleaning, maintenance and shared-mobility controls.
Adapted application
A hazard-specific extension to V, C or O for accessible, automated, extreme-climate or other specialized use.
Framework structure
The Main Clauses in Six Clear Groups
This table provides a concise route through the working draft. The complete technical requirements and annexes remain available in the PDF.
| Clauses | Group | What it covers |
|---|---|---|
| 01-08 | Foundation and Risk | Scope, competence, system boundary, inclusive users, hazards and human-centred development. |
| 09-15 | Human Interaction | Seating, posture, reach, visibility, access, workload, fatigue and cognitive ergonomics. |
| 16-24 | Cabin Environment | Air, emissions, hygiene, thermal and acoustic comfort, vibration, motion, lighting and physical hazards. |
| 25-31 | Adaptive and Connected Use | Personalized comfort, occupant sensing, privacy, AI, automated cabins, fleet use and climate resilience. |
| 32-34 | Lifecycle and Evidence | Supply chain, production, durability, maintenance, refurbishment and evidence quality. |
| 35-38 | Decision and Improvement | Conformity decisions, public claims, field monitoring, corrective action and emerging technology. |
Need the technical detail? The working draft includes assessment profiles, common test conditions, verification methods, proposed targets, critical gates and evidence forms.
Key ideas
What Readers Should Take Away
Comfort cannot compensate for a critical failure
A positive conclusion requires all applicable requirements to pass with no unresolved critical failure.
A simple small-to-large body range is not enough
Coverage must consider multivariate body dimensions, capability variation and subgroup outcomes.
A short test does not prove full-shift suitability
Exposure duration, repetition and recovery opportunities remain part of the stated operating envelope.
Health wording stays within the evidence
The assessment does not imply disease prevention, diagnosis, treatment or suitability for every possible user.
Configuration changes reopen relevant evidence
Materials, software, filters, seating, sensing and operating changes are reviewed for impact.
Using the document
From Intended Users to a Defensible Health and Ergonomics Result
Development status: This proposed edition is for technical review and pilot evaluation. Specialist-reviewed health limits, method validation and formal adoption are still required.
01Declare the configuration, users and operating envelope
02Select the applicable profile and hazard extensions
03Test relevant human, exposure and cabin outcomes
04Record evidence, critical gates, limits and change triggers
Continue with the full technical document
Review the full 38 clauses and Annexes A-J for methods, proposed performance targets and evidence requirements.