Comfort and Convenience
Preferred cabin temperature is a clear example: some people set it several degrees cooler than their passengers find pleasant. Such preferences follow clothing, habit and the time of day, so a shared car usually settles on compromise.
Safety and Driver Assistance
Before setting off, it is worth knowing where the hazard lights, demister and headlight controls sit. Finding them while parked means fewer moments later spent searching for something that is suddenly needed at short notice.
Multimedia and Connectivity
Keeping a phone charged matters on errand days, since navigation drains a battery quickly. Where charging is available in the cabin, short trips can restore enough for the afternoon; calls and music remain separate considerations.