Tesla is giving its owners another way to express their individuality from behind the wheel of their vehicles. As if they needed it. The EV maker released its Holiday Update, Firmware 2020.48.25 on Christmas Day, adding a few little gifts for recently built Teslas, including the ability to make the car fart or bleat like a goat at the outside world on command. Through the new Boombox feature, users can now change their horn noise to a bunch of stock sounds including goat, applause, La Cucaracha, holiday music, coconuts and fart, each projected outward from an external speaker near the...