Reason #297 why you should carry a sketchbook with you everywhere: because you never known when your plain jane oil change will suddenly turn disastrous. And by disastrous I mean, your car is having a midlife crisis ($) and you'll be spending 2 1/2 hours (!) catering to its whims.
In non-automative news, I didn't know until today that a group of peacocks is known as an Ostentation. And if that isn't the most perfect name for a gathering of creatures, I don't know what is.