Comfort and Convenience
Preferred cabin temperature is rarely the same for two people in one car: some are comfortable a few degrees cooler than others, and passengers in the back often feel airflow differently from those in front.
Safety and Driver Assistance
Learning where the lights, wipers and hazard switch sit before setting off is simple preparation, and it means a first encounter with rain or dusk is not also a first search for the right control.
Multimedia and Connectivity
A phone that arrives with some charge left matters on long days, so a usable power socket is worth knowing about. Calls and music are separate questions, depending on what the audio system supports.