So Apple has conjured up a feature called Vehicle Motion Cues, which is freely available on your iPhone. "If you experience discomfort when you use iPhone while riding as a passenger in a car or ...

Here's how Apple describes its own feature: "With Vehicle Motion Cues, animated dots on the edges ... might get motion sickness (on a boat, for example).

Vehicle Motion Cues detects when the user is in a moving vehicle. The dots move in sync with the vehicle’s motions. For example, the dots shift left when the car turns right or move downward ...