Your annotated UN R121 reference
Three practical reasons to choose this RegsUP PDF:
Bring R121 into your cockpit design review
Read R121 with explanations for vehicle controls, tell-tales and identification symbols.
Read text and explanations together
RegsUP explanations and supporting source extracts accompany the regulatory text.
Keep manufacturer questions close at hand
Manufacturer questions and answers, including their conditions, are part of the publication.
What does the RegsUP edition include?
The UN R121 text, RegsUP explanations, manufacturer questions and source extracts in one file. 36 pages in total; text and explanations are in English.
- Regulatory text and relevant annexes
- RegsUP explanations
- Manufacturer questions and supporting extracts
- Fixed PDF edition personalised for the order
Official regulatory text is available free of charge. The added value of this RegsUP edition is the combination of text, explanations, manufacturer questions and source extracts in one file personalised for your order.
Buy the PDFEnglish PDF · One-off purchaseFile, licence and delivery details
The purchase covers the selected PDF edition. Delivery follows payment confirmation and order release. Platform access, later editions and individual consulting are separate services. Changing the store language does not translate the PDF.

RegsUP is the regulatory platform from Anemon Innovation. This article introduces its related PDF product.
Bring R121 into your cockpit design review
How a driver identifies a control is a shared concern for HMI and instrument-cluster teams. The RegsUP R121 product addresses vehicle controls, tell-tales, indicators and identification symbols. It provides a focused reference for design discussions.
Consult the symbols and commentary together
The 36-page publication combines the regulatory text with RegsUP explanations, manufacturer questions and answers, and source extracts. It suits teams who want text and commentary together when working on a cluster or driver interface. Both are in English; changing the store language does not translate the PDF.
Product information
The file contents and purchase details in this article come from the relevant RegsUP product page.
Buy the UN R121 PDF
Add the text, explanations and manufacturer questions to your working reference. Open the product in the store, review its scope and price, and complete your order.
Buy the PDFEnglish PDF · One-off purchase