At its headquarters in Gothenburg, Sweden, Volvo's Active Sound Experience is building the noises that issue from current and future cars. During a tour of the facility, sound designer Frederick ...

Host John Ydstie speaks with Dr. Gerhard Thoma, an acoustics engineer for BMW, about the trend in luxury automobiles to make all the car's sounds — from the electric window to the turn signal — sound ...

Question: Do I have to use my turn signal, even if there is no one around? Do I have to keep my turn signal on when I’m stuck at a light at an intersection? After a while the blinking gets pretty ...