Comfort and Convenience
Comfort preferences vary because body proportions and sitting habits differ, so what feels supportive to one person may feel too firm or too soft to another even on the same route.
Safety and Driver Assistance
Knowing where primary controls sit before moving off reduces distraction, because a driver who can adjust settings by feel spends less time with eyes away from the road.
Multimedia and Connectivity
Keeping a phone charged matters on longer trips, and a convenient power point makes it easier to maintain battery level without pausing to find an adapter or cable.