Same. I'll go as far as changing a wheel when I have a flat, but that's pretty much it.

Otherwise, I can lift the bonnet and go "yep, that's an engine" quite convincingly.

Yeah, if there isn't an unconnected hose or cable, that's about the extent of my car knowledge.

It takes up a third of your income but you have no interest in it ?

I thought I was the only one.

I studied computers down to the transistor level. I know many of the different cells in the immune cascade. I've researched child psychology.

But ask me to explain what a car's transmission is and the only thing in my brain is dial-up tones...