I'm not 100% sure, but I think the basic gist of this ad is "Hey, dirty old men! Get a red car and the young chicks will be all over you!" Click to enlarge. [VintageAds]
He just wants her to get her butt off from his new car. The Corvair was a small, compact car that was mostly sold by touting its economy. It was not a mid-life crisis mobile since most models were underpowered. This was a mid-life crisis mobile in 1966.