Only issue I can really report on the blackvue is how hot it gets, have got back to the car a few times and it's been shouting to check the SD card. Reboot and it's ok. The newer models might be better.
No idea where my keys are, certainly takes me more than their 2 minutes to find them each morning.
On a serious note, I try and leave them on the stairs so if they're intent on coming up to get them from me they'll find them on the way. If they don't want to come up they won't find them.
After nearly 4 years in a mk1 tt roadster, I wanted comfort, styling, economy and brand. I only looked at the A3 and it ticks all the boxes.
Regarding engineers, it's not about which country produces the best engineers, it's which company is prepared to hire the best engineers and allow them...