No, it hasn’t crashed: the rinspeed squba is a car.
that can tootle around underwater. Here’s how….

Fancy a dip? Drive into the sea, river or neighbor’s swimming pool and change the power from rear wheels to pumps. To resurface, pump  the water back out again.
The sQuba has wheels to take to the road at speeds of up to about 130km/hr, and can even drive itself thanks to a laser sensor.
The sQuba is purely a concept at the moment, but it could go into production if we all  wish hard enough.