{
  "url": "https://openlegislation.uk/road-vehicles-construction-and-use-regulations-1986/schedule-5A/paragraph-7",
  "json_url": "https://openlegislation.uk/road-vehicles-construction-and-use-regulations-1986/schedule-5A/paragraph-7.json",
  "legislation": "uksi/1986/1078",
  "legislation_title": "The Road Vehicles (Construction and Use) Regulations 1986",
  "legislation_url": "https://openlegislation.uk/road-vehicles-construction-and-use-regulations-1986",
  "path": "schedule/5A/paragraph/7",
  "kind": "paragraph",
  "number": "7",
  "heading": "Signal warning to driver",
  "text": "(1) A warning must be provided if the condition in paragraph 6(5) is met.\n(2) The warning must be given by a visual signal or display text and must—\n(a) be visible to the driver while the driver is in their designated seating position with their seat belt fastened;\n(b) be yellow in colour if the detection system malfunctions;\n(c) be red in colour if a single failure results in a hydrogen concentration exceeding 3.0% by volume in the air in the enclosed or semi-enclosed spaces of the hydrogen-fuelled vehicle;\n(d) when illuminated, be visible to the driver under both daylight and night time driving conditions;\n(e) remain illuminated if the ignition locking system is on the ‘On’ or ‘Run’ position, or if the propulsion system is activated, and—\n(i) hydrogen concentration exceeds 3.0% by volume in the air in the enclosed or semi-enclosed spaces of the hydrogen-fuelled vehicle, or\n(ii) a detection system malfunction exists.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Sch. 5A inserted (29.4.2025) by The Road Vehicles (Construction and Use) (Amendment) Regulations 2025 (S.I. 2025/454), regs. 1(1), 2(4)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1986/1078/schedule/5A/paragraph/7",
    "retrieved_at": "2026-10-29T16:46:09.046037+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}