Auto = car
Psycho = disconnected from reality aka abnormal state of mind
Mania = to be extremely elevated (high), excited to the point of craziness
Some antics include:
a) getting out of his car in the middle of a live lane on the Hwy 401 to dry his soaked intake filter after his car stalled.
b) obsessively washing his car on a weekly basis. Almost daily in winter due to road salt.
c) has given a name to his car, frequently refers to it by name, and has the license plate changed to her name.