Large Starship Horn

The Large Starship Horn is a recreational item in Astroneer.

Source
The Large Starship Horn can be found on wrecks of rovers scattered around certain planets.

Uses
The Large Starship Horn can be used to honk at other players while driving around on rovers. Placing it on one of the front slots of the rover and pressing the corresponding context keys ( or for keyboard,  or  for Xbox, or  or  for PS4) will activate the horn.

While on the ground, the horn may be activated by hovering and pressing the Use key (,, or for keyboard, Xbox, and PS4 respectively).

Trivia
The Large Starship Horn will play a series of tunes that sound like the theme for The Shining.

Media
Bocina de Aeronave Grande