Since I spend a fair amount of time tinkering with my cars, and I dislike spending unneeded cash, I frequently do “non recommended” procedures that are quite instructive. These I often share – for instance, the MK3 Astra’s “Flashing S of Doom” fix that Vauxhall say can’t be done.
So..here are things I’ve found useful or hidden away that are at odd with Vauxhall’s take on things.