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S60 & V60 '18> / XC60 '17> / S90 & V90 '16> / XC90 '15> General Forum for the SPA-platform 60- and 90-series models |
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V60 weak steering wheel vibration warningViews : 1662 Replies : 18Users Viewing This Thread : |
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Aug 10th, 2020, 15:01 | #11 | |
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"The steering wheel vibrates slightly when deactivated in order to alert the driver of the change". I think you're confused, it DOES vibrate, but it doesn't give you a prominent warning in the driver display in this scenario. The only thing that changes in the driver display is the little steering wheel icon turns grey, which of course you're not likely to notice when you're watching the road ahead. |
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Aug 11th, 2020, 12:56 | #12 |
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In my view not having an audible warning for PA2 disconnect is a very poor implementation of a driver aid, from an ergonomics perspective. And Volvo have implicitly acknowledged this by introducing vibration warning – my recollection is that the initial version of PA2 didn’t even have that. If you have any degree of semi-autonomous driving as an aid, then the driver will start to rely on it – even if only to allow a little more attention to be given to other tasks such as route-finding, etc. It’s not acceptable to say ‘the driver should always be in control’ (it’s really no more helpful than your mother telling you when you were little to ‘be careful’ ) – there will be an inevitable loss of situation awareness. A lot of recent research into autonomous systems (level 3 and beyond) has repeatedly shown that providing warning that the system is disconnecting helps significantly.
A slight vibration and a green symbol going grey are hardly compelling attention-getters – particularly when lack of attention is the issue! It would be trivial to implement an audible warning. After all, they have such a warning if it detects your hand is not on the wheel… Hence to have the functionality available, to recognise its importance in some situations, and then to insist on not providing it in other contexts is, to my mind, perverse.
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Aug 11th, 2020, 13:07 | #13 | |
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Aug 11th, 2020, 14:05 | #14 | |
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Power tools (such as the one being used by my neighbour as I type... grrr...) all come with guards and interlocks to avoid accidental operation and injury. It's still the user's responsibility to operate the tool safely, but the manufacturers recognise their duty to make it as easy as possible to use it safely.
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Aug 11th, 2020, 15:40 | #15 | |
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Aug 11th, 2020, 16:26 | #16 |
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Err... what are you saying about the two of us...?
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Aug 11th, 2020, 16:27 | #17 |
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But you're right - good design is about reducing the opportunity for human error
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Aug 11th, 2020, 17:27 | #18 |
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Aug 11th, 2020, 22:28 | #19 | |
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