Comfort and Convenience
Preferred cabin temperature is a good example: some people settle a few degrees cooler than others, because clothing, personal metabolism and the length of a journey all shape what feels pleasant behind the wheel.
Safety and Driver Assistance
It is worth spending a few unhurried minutes with wipers, lights and mirrors while parked. Knowing where each control sits means less searching later, so a driver spends less time looking away from the road.
Multimedia and Connectivity
Keeping a phone charged through a long day matters when it carries navigation as well as messages; whichever charging option a car provides, plugging in at the start avoids a flat battery midway.