Comfort and Convenience
Cabin temperature is where preferences part company. One person runs cool air constantly while a passenger asks for warmth, because clothing, how recently someone walked in from outside and plain personal tolerance all differ.
Safety and Driver Assistance
Familiarity is built while the car is stationary. Trying the indicator stalk, the headlight switch and the mirror controls in a quiet driveway means those actions are already known rather than searched for mid-journey.
Multimedia and Connectivity
Calls during errands are usually short and practical: confirming an address, or saying you are minutes away. Where a hands-free function exists, it keeps that exchange separate from whatever audio was playing.