Comfort and Convenience
One preference is cabin temperature; some people like a cool, fresh airflow while others want steady warmth, so a setting that suits one person may feel uncomfortable to another.
Safety and Driver Assistance
Before a long drive, it helps to know where the lights, wipers, and mirror switches are without looking down, because reaching for them while moving can distract from the road.
Multimedia and Connectivity
For music, being able to keep a playlist within tap distance matters, while calls are better handled with a quick answer button if one is available rather than fumbling through menus.