Comfort and Convenience
One everyday comfort preference is whether a small cushion belongs behind the lower back, because people sit differently in the chairs they already use at home. One passenger may pack one, another may leave it behind.
Safety and Driver Assistance
Before a long motorway stretch, locating the hazard switch while parked means you already know the motion if you later need to mark a slow queue. That step takes a moment and belongs with the rest of the pre-trip checks.
Multimedia and Connectivity
If you want music for part of a longer trip, the practical meaning is having tracks ready on the phone before you leave. Playback through the car, if that function is available, is only one way to hear them.