מאגר שאלות תאוריה - Heavy trucks (C)

When is it permitted to use the horn for giving a warning signal in an urban road?

• It is only allowed to use the horn in order to avoid imminent danger that cannot be prevented in any other way.
• It is only allowed to use an air horn.
• It is always allowed to use the horn in an urban road.
• It is always allowed to use the horn, provided that the signal is given in a continuous and uniform manner.