My old man drove wrecks when I was growing up, being the 80s in the UK that meant manuals with electrical problems so I was familiar with both parking on hills and starting dead cars.
Came in handy when I had to bump start the family car just last week. Just finished packing for the return trip from our holiday home only to discover the battery was low and didn’t have enough to crank. Jump leads were buried under all our luggage even if I found a donor, but luckily there was a slight incline on the driveway.
Wifey got a bit flustered but the kids thought it was great fun.