It all looks obvious but I may be guilty of transgressing that last one!
I suppose what we should remember is that these instructions were aimed at young recruits who may have only rarely been in a private vehicle and certainly never driven or taken responsibility for one. In the case of my mother and father they were only in their late teens and early twenties at this time. My mother was in the ATS driving trucks and more latterly, a la Foyles War, a colonel's driver all over the West and East Ridings. They became Morgan owners later in their lives and had 35 years of top down motoring by the way. To this day my Mother, now 97 prefers the Morgan to anything else. Dad's passion for Morgan's started as a schoolboy when he was taken out to Cockhill Moors in an Anzani engined Aero in 1930. Their army experience of motors, driving and maintenance never left them.
Lovely story, Rob!