Reference number
ISO 21956:2019
ISO 21956:2019
© ISO 2024
International Standard
ISO 21956:2019
Road vehicles — Ergonomics aspects of transport information and control systems — Human machine interface specifications for keyless ignition systems
Edition 1
2019-11
2019-11
Abstract
This document provides human machine interface (HMI) design specifications for keyless ignition systems that use key code carrying device for passenger cars (including sport utility vehicles and light trucks) and commercial vehicles (including heavy trucks and buses), independent of vehicle propulsion system. HMI specifications for the electrical key functions include actuation in normal conditions, emergencies, low battery, and avoidance of inadvertent actuations, alerts and specific non-standard situations.
