Audi is again reviving an old American trick – albeit with new technology – to give its updated A8, due out at the Frankfurt show, sequential turn signal lights, front and rear. Each headlight has 18 ...

Passengers inside the vehicle will not be aware of it, but the all-new, 2021 Buick Envision crossover plays a neat animation every time the turn signal is switched on. This is possible due to the ...