I run my radio at volume 10, you are never in any doubt of a proximity alarm sounding.
I to run my radio and CD player between 10-12 volume setting, proximity alarms are easily discernible.
For me if I needed the radio to be any louder I would certainly take steps to get my hearing checked out.
No doubt we have all pulled up behind someone and listened to their music above all the surrounding traffic noise, they cannot be aware of anything going on around them can they?
[/quote]Yes, why not? Either the proximity alarms are worth hearing or else they are a stupid gimmic that 'Mr Honda' should not have bothered adding to the vehicle and that we should not have been forced to pay for.
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I often drive my sons' Toyota and the sensors on that operate at the same noise level as my Jazz, which leads me to suggest that its probably no different to other cars proximity sensors.