SOURCE-LINKED REGULATION GUIDE
UN R21 — Vehicle interior fittings
Review passenger-compartment fittings and the arrangement of controls together.
Explore the scopeWhat does it cover?
UN R21 concerns the interior fittings of M1 vehicles. Its scope covers passenger-compartment parts other than interior mirrors, the arrangement of controls, the roof or opening roof, and the backs of seats. These distinct design areas are considered within the same interior-safety framework.
Who is it for?
Interior-trim, cockpit, roof and seat-design teams.
Which subjects are addressed?
- Passenger-compartment parts
- Arrangement of controls
- Roof and opening roof
- Seat-back areas
Common question
Are interior mirrors included?
No. Interior mirrors are excluded from the passenger-compartment parts addressed here. Consult the relevant regulation for indirect-vision devices.
Source documents and references
Work with this regulation in RegsUP.
Read the text with its edition and sources. Assess available comparisons, relevant dates and question-and-answer features against your work needs.
Discuss access optionsRelated regulations
UN R17 — Seats, anchorages and head restraints
Review seat strength, vehicle anchorages and head restraints together.
UN R121 — Controls, tell-tales and indicators
Review driver-interface identification, location and visibility requirements.
UN R46 — Devices for indirect vision
Assess mirrors and vision systems together with their vehicle installation.