Jackie Vernon utters one of his catchphrases "I think I hurt myself" when the firefighters are extricating him from the sports car. He would often use this phrase after playing a coronet at the end of his act on variety shows.
The TV station sign across from the gas station where Ponch is drinking a soda is KBEX. This is a fictional TV station that was used in numerous shows from the 70's through the 90's. In 2013, the FCC assigned the letters to a Dallas, Texas radio station.
Unlike the "up and over" crashes used later on in the series where vehicles were launched over a ramp car and overturned, in the initial crash shown the 1966 Chevrolet still had the fuel tank intact when it overturned.