Apple’s dream of rolling out its own self-driving car may have hit the brakes for good, but the tech giant hasn’t abandoned ...

But Apple is so big, and its devices so pervasive, that it didn’t need to sell a single vehicle in order to transform the automobile industry—not through batteries and engines, but through software.

Size is the primary difference between a single-DIN and a double-DIN car stereo. A double-DIN stereo is typically twice the height of a single-DIN radio. The DIN refers to a German standardized unit ...