
Ask him to choose between a BMW M4 and an Audi RS5, and he’ll gladly trade both for a beat-up ’Cuda. He's a proud member of the TopSpeed team since early 2014.Īlthough he's into just about any type of vehicle, Ciprian is not your typical car enthusiast. His automotive adventure started reporting on various motorsport events as a sports writer before moving onto a full-time auto career with various sites, including This Week In Motors and Autoevolution. So basically we can't have cool turn signals unless the first element that lights up is bigger than the government standard. On the flipside, the Ford Mustang is allowed with sequential lights because each of the three segments of the taillight is larger than 2,200 square millimeters. The same issue prevented Lexus from offering sequential turn signals on the RX a few years ago. The first sequence is smaller than the required 2,200 square mm. This is why Audi's sequential turn signal doesn't qualify. The 2,200 square mm doesn't apply to the entire turn signal, but to every single bulb or LED sequence that lights up in a row. That's smaller than most turn signals fitted on modern cars, but there's a very important catch. That's 3.4 square inches, which is rather small. Specifically, turn signals are required to be at least 2,200 square millimeters in size.

But it's difficult to add them on U.S.-spec cars due to a rather silly regulation in the United States Department of Transportation’s rule book. "Ban" is a bit of a harsh word because sequential turn signals aren't actually banned.
