Funny that he commented on the Jag having uncomfortable suspension, it really doesn't feel like it to me. My zed is a rougher ride on it's teins and they are really subtle. I guess compared to an XJ yes but still seemed a silly point to make.
Further guide for the oil cap
Only change when engine is not running.
Do not over tighten!!!!!!!!!!!!!! Or your mechanic will nob glass you when he can't take it off.