What is ISO 21956 - Keyless ignition systems for road vehicles about?
ISO 21956 is an international standard on road vehicles that covers the operation of keyless ignition systems with the goal of helping to minimize user-initiated errors.
ISO 21956 provides human-machine interface (HMI) design specifications for keyless ignition
systems that use key code carrying devices 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 actuation, alerts and specific non-standard situations.
Who is ISO 21956 - Keyless ignition systems for road vehicles for?
ISO 21956 on keyless ignition systems is relevant to:
- Road vehicle designers and manufacturers
- Electrical and electronic equipment
- Personnel of transport information and control systems
Why should you use ISO 21956 - Keyless ignition systems for road vehicles?
Keyless ignition control is a permanently mounted physical device used to perform ignition control such as start or stop a vehicle propulsion system without the need for insertion or removal of a conventional key into/from an ignition slot.
ISO 21956 navigates you through design guidelines on the actuation of keyless ignition control that includes:
- Actuation for emergency starting – Restarting the propulsion system after an unintended engine stall
- Actuation for starting – Design to avoid accidental starting – Stationary vehicle
- Actuation for stopping while a vehicle with automatic start/stop is in run mode
- Actuation for stopping (commercial vehicles only) – Design to avoid accidental stopping - Stationary vehicle
- Actuation for emergency stopping – Interruption of starting
ISO 21956 provides instructions on starting a propulsion system in case the key code carrying device battery runs out.
ISO 21956 specifies an alert and information to the driver to help minimize the user-initiated error of exiting the vehicle when the key is left in the vehicle.
Moreover, ISO 21956 helps you to clarify the use of keyless ignition systems by following guidelines for new Human-machine interface (HMI) solutions making them more dependable and secure to operate the vehicle. As a result, you receive enhanced security as well as the mechanical reliability of a keyed ignition.
