Comfort and Convenience
After a damp walk from the shops, some occupants prefer a warmer cabin while others want the air cooler and drier. That split is personal, and it does not depend on a particular set of fitted controls.
Safety and Driver Assistance
If a second driver will take the car to the recycling centre, knowing the parking brake and hazard switch beforehand avoids guessing at the kerb. That is preparation, not a promised result.
Multimedia and Connectivity
A phone running low before a warehouse pickup is easier to manage with cabin charging, where that is fitted, so the battery stays usable until the code is shown. That need is about power, not about calls or music.