We used to get that sort of problem after half an hour on a long journey. When the car goes *ping*, Herself (a nervous driver) starts worrying. Now the car's neglecting to *ping* us, I don't know whether to be relieved that it's stopped, or worried that it's not telling us about whatever's on its mind.

I'll skip the rant about computers being shoved into everything, as this margi[snip]