Elon Musk Says Tesla Owners Will Soon Be Able to Replace Their horn With Fart and Goat Noises Posted byAaron Holmes October 7, 2019 Leave a comment on Elon Musk Says Tesla Owners Will Soon Be Able to Replace Their horn With Fart and Goat Noises Future Tesla models might include unconventional horn sound effects, including goat noises and fart sounds, Elon Musk tweeted Sunday.