Hooter
The hooter / horn (control 11) is a warning device to prevent collisions, not a tool for expressing irritation. Misuse is an offence.
Evidence note: Official NaTIS Section 3 numbered control.
evidence_strength: confirmed.
Purpose
Alerts other road users to avoid a collision or signal presence.
When used
To warn of danger; not for annoyance or unnecessary use in built-up areas at night.
Risks of incorrect use
- Startling other road users
- Illegal misuse
Question patterns
- “Which control performs function X?” — component identification.
- Distractor trap: Selecting the indicator or lights when asked which control alerts others to avoid a collision.
Ontology Hooter [part-of] Vehicle Controls
Connections
- Vehicle Controls — part_of_topic, source: 2026-06-28
- NaTIS Learner Driver Manual — derived_from_source, source: 2026-06-28