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Comment by Moru | Hacker News Reader

But I don't want discoverability when my windshield suddenly fogs up and I can't see anything. I want to be able to just reach out and adjust the airflow without even thinking about it when I start noticing the fog in the first place.

Last time I had something useful was in my Volvo 740. After that it has been getting worse and worse. Even physical nobs can be bad, just round and smooth, without any physical notch that snows what direction it points.

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Oh, I completely agree - everything important should be accessible and intuitive - typically that does mean a well-placed physical control.

But there are so many settings on a contemporary car that it would be impractical to have a switch for all of them, and even if they were, if it's something you'd like to change once in a blue-moon being able to search for that setting is really useful.

I don't know if this makes great sense as an example, but, say you're travelling from the UK to France (or USA to Mexico?) and want to have your speedometer show km/h rather than miles/hour. That's not a setting which should have a switch, but may be something useful.

>I don't know if this makes great sense as an example, but, say you're travelling from the UK to France (or USA to Mexico?) and want to have your speedometer show km/h rather than miles/hour. That's not a setting which should have a switch, but may be something useful.

Three presses in a Mercedes on its speedometer screen.

> Three presses in a Mercedes on its speedometer screen

> speedometer screen

> screen

So a setting behind a screen instead of a dedicated hardware button/switch/toggle for it.

You use the dedicated hardware buttons for controlling car options on the steering wheel.

I don't see why in God's name would you ever need that as a hardware switch.

Many here argue there should be no screens in cars. The screen has some state you'll need to at least look at to get a bearing for where in the menu you'll need to navigate to. But most people aren't going to memorize the menu layouts for settings they rarely use, meaning they'll be looking at the screen when they interact with it.

The discussion is not about buttons for everything. Ofcourse I can't have a 737 cockpit from 1980 with buttons all over the place. Even planes get smart controls for the less used things. But the fan, the air direction and other very important and time sensitive controls HAVE to be physical in a car.

In regards to dealing with windows fogging, I prefer the system in my car that automatically detects conditions where it might fog and adjusts itself accordingly. On top of that the car has a physical max defog button close to the actual driver controls.

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