Comfort and Convenience
Preferred driving position is a common example: some people sit high for a clear view of the road ahead, others lower and further back. Height, leg length and long habit all shape that choice.
Safety and Driver Assistance
Spending a few minutes with lights, wipers, mirrors and climate controls before setting off means less searching later. Familiarity is built while parked, when there is time to read labels and try each function calmly.
Multimedia and Connectivity
Keeping a phone charged on longer trips is a separate question from playing music or taking calls. If a socket or port is available, its position decides whether a cable reaches comfortably.