Alert Horn is a Sparrow Mod in Destiny 2.
What it does
Honk! Press [###DestinyNamedSubstitutions.ui_player_action_vehicle_honk_button###] to honk your vehicle's equipped horn.
More Sparrow Mods
Air HornSparrow Mod
Alarm HornSparrow Mod
Antique HornSparrow Mod
AutoloaderSparrow Mod
Bell HornSparrow Mod
Clarion HornSparrow Mod
Dramatic HornSparrow Mod
Duck HornSparrow Mod
Gjallar HornSparrow Mod
Happy HornSparrow Mod
House HornSparrow Mod
Improved AssemblerSparrow Mod
King's HornSparrow Mod
Noisy HornSparrow Mod
Sparkle HornSparrow Mod