Posted on 09/21/2024 3:06:23 PM PDT by grundle
Physical buttons are increasingly rare in modern cars. Most manufacturers are switching to touchscreens – which perform far worse in a test carried out by Vi Bilägare. The driver in the worst-performing car needs four times longer to perform simple tasks than in the best-performing car.
The screens in modern cars keep getting bigger. Design teams at most car manufacturers love to ditch physical buttons and switches, although they are far superior safety-wise.
That is the conclusion when Swedish car magazine Vi Bilägare performed a thurough test of the HMI system (Human-Machine Interface) in a total of twelve cars this summer.
Inspiration for the screen-heavy interiors in modern cars comes from smartphones and tablets. Designers want a ”clean” interior with minimal switchgear, and the financial department wants to lower the cost. Instead of developing, manufacturing and keeping physical buttons in stock for years to come, car manufacturers are keen on integrating more functions into a digital screen which can be updated over time.
So in what way have these screens affected safety? Vi Bilägare gathered eleven modern cars from different manufacturers at an airfield och measured the time needed for a driver to perform different simple tasks, such as changing the radio station or adjusting the climate control. At the same time, the car was driven at 110 km/h (68 mph). We also invited an ”old-school” car without a touchscreen, a 17-year-old Volvo V70, for comparison.
One important aspect of this test is that the drivers had time to get to know the cars and their infotainment systems before the test started.
No backlighting
Tesla was not the first to introduce a touchscreen, but the American carmaker has always offered bigger touchscreens than most manufacturers, containing more of the car’s features. Even the windshield wipers are controlled through the touchscreen.
BMW iX also offers a touchscreen, but not as big as Tesla’s, and also more physical buttons. But that’s no guarantee for a system which is easy to use. The BMW’s infotainment system has lots of features, but it also has one of the most complex and complicated user interfaces ever designed.
Another sin is committed by Volkswagen and Seat. In order to save money, the touch-sensitive climate controls below the screen in the ID.3 and Leon are not backlit which make them completely invisible at night. Voice control
The carmakers are keen to point out that many features now can be activated by voice. But the voice control systems are not always easy to use, they can’t control every function and they don’t always work as advertised, which is why the voice control systems were not tested in this experiment.
The results speak for themselves. The worst-performing car needs 1,400 meters to perform the same tasks for which the best-performing car only needs 300 meters.
Big differences
The easiest car to understand and operate, by a large margin, is the 2005 Volvo V70. The four tasks is handled within ten seconds flat, during which the car is driven 306 meters at 110 km/h.
At the other end of the scale, Chinese electric car MG Marvel R performs far worse. The driver needs 44.6 seconds before all the tasks are completed, during which the car has travelled 1,372 meters – more than four times the distance compared to the old Volvo.
BMW iX and Seat Leon perform better, but both are still too complicated. The driver needs almost a kilometer to perform the tasks. Lots can happen in traffic during that time.
Dacia Sandero and Volvo C40 perform well although they both have touchscreens. However, they are not overloaded with features. Volvo shows that a touchscreen doesn’t need to be complicated.
We have also measured the angle at which the driver has to look down to operate the controls. By photographing the same driver in all cars, we find that the driver has to lower the line of sight by 56 degrees to view the lower end of the screen. Compare that to only 20 degrees in the Mercedes GLB.
Which tests were performed?
Activate the heated seat, increase temperature by two degrees, and start the defroster.
Power on the radio and adjust the station to a specific channel (Sweden’s Program 1).
Reset the trip computer.
Lower the instrument lighting to the lowest level and turn off the center display.
I’ve never had it work for me on anything from any manufacturer, and no it wasn’t a “faulty system” and yes I had it set on auto. It’s just a “good idea” that doesn’t work.
Repeating its intended function doesn’t change that.
Not when the outside temp changes to hotter or colder it still has to be reset.
NO way if your in the mountains and set it to 80 then hit the desert it won’t set to 70 by it’s self period.
Repeating its intended function doesn’t change that.
Mine have always worked as advertised. Set it and forget it and it maintains the set temperature all year long regardless of outside temperature.
Cars and drivers simply do not need all the electronics in today’s cars. There is no reason decent cars cost 50,000.
All this crap finds its way into the current prices, it’s not needed. Plus, the cost to fix this crap.....
NO way if your in the mountains and set it to 80 then hit the desert it won’t set to 70 by it’s self period.
It's not supposed to change the set temperature. It maintains the set temperature. I would never set it to 80 because that's too hot. I set it to 70 and it maintains that temperature regardless of the outside temperature. That's the way it's supposed to work. The system can't read your mind and change itself. That's not what Auto means. It simply maintains the cabin temperature at the level you set it to.
It’s not supposed to change the set temperature.
That’s the point you still need a co pilot or take your eyes off the road to do it or pull off they road.
The older system 50’s 60”s all you had to do was slide the lever over one way ot the other of of then flip the A/C/ on and not have to take your eyes off the road.
News cars & trucks piss poor engineering ay best.
That’s the point you still need a co pilot or take your eyes off the road to do it or pull off they road.
Exactly! It's not supposed to change the set temperature. You set it and forget it. No matter how much the outside temperature changes, the set temperature in the cabin stays the same, so there is no need for anyone to change anything. The temperature in the cabin is automatically maintained to what you set it at. That's why it's called Auto temperature. No need for a copilot or for you to take your eyes off the road like you do for the old fashioned manual system. You don't even need to take your hand off the steering wheel because there's nothing to adjust because months ago you set the temperature where you wanted it.
It’s not supposed to change the set temperature.
It’s why it’s a flawed and useless system automakers have a orgasm with useless toys and cup holders.
More P.O.S. produced.
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