Comfort and Convenience
Driving position is a common example: some people prefer sitting high and close to the wheel, others further back with arms extended. Height, build and years of habit all shape which feels natural.
Safety and Driver Assistance
Spending a few minutes with the lights, wipers, mirrors and climate controls before setting off means less searching later. Preparation like this is simply part of settling into any unfamiliar cabin.
Multimedia and Connectivity
Keeping a phone charged during longer trips matters to many drivers. Where a suitable power outlet or cable is available, the phone stays usable on arrival, which is separate from how calls or music are handled.