Comfort and Convenience
Cabin temperature is a good example: the setting one person calls pleasant another finds stuffy. Clothing, the weather outside and simply what someone is used to all feed into it, which is why shared cars invite quiet renegotiation.
Safety and Driver Assistance
Before setting off, especially in an unfamiliar car, it is worth spending a moment locating the basics — lights, wipers, hazards, mirrors. Preparation done while stationary is preparation you never have to improvise later.
Multimedia and Connectivity
Arriving with a phone that still has battery matters when it holds your tickets or directions. If a car offers a charging point within reach of the driver, a long day stops being a battery calculation.