| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | car horn | Denmark | Rarely used and considered disruptive, with the expectation that drivers will communicate and resolve traffic situations without honking. | 1 |
| 2 | car horn | Norway | Rarely used and considered disruptive, with the expectation that drivers will communicate and resolve traffic situations without honking. | 1 |
| 3 | car horns | Denmark | Used sparingly, mainly as a warning signal in hazardous situations | 1 |