Temperature and fan only adjustable on the touchscreen

Raised by 39 people over 15 years (2012–2026), in 11 of them.

What people report

2014-02
How do I figure out how to change the temperature? Touching five fingers close together is easy but not intuitive.
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2021-03
I have no way to adjust the AC without multiple screen touches (switch to AC screen, wait, click the small - button multiple times
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2022-09
instead of turning a tactile dial I need to look away from the road to adjust temperature or volume
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2025-01
Really annoying and dangerous to have to tap about on a touchscreen to just turn the fan up or down.
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2026-07
If you have to set the fan level on a touch screen, I have to use my eyes to coordinate my hand movements.
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Principle

Natural mapping (Norman)

People report that temperature and fan, once a knob turned by feel where rotation maps directly to warmer or stronger, now mean finding and watching on-screen elements, which they say takes as much attention as using a phone.

More issues about physical ergonomics

A fix

Restore rotary knobs or rocker switches with detents for temperature and fan speed, plus physical buttons for AC and recirculation. Use the screen only to show the resulting value.

Grouping, principle and fix drafted with Claude and reviewed by Justusability. Counts are people whose comment Claude labelled a usability complaint about this issue; see Method for how, and its limits. Something wrong here?

All 39 source comments