Before Al accidentally drives Bud's truck forward, he is seen struggling with a manual floor gear shifter, attempting to find reverse. After the truck lurches forward and hits Tim's ladder, Al is shown using an automatic column gear shifter to quickly put the truck into reverse.
The episode is supposed to be taking place in the wintertime, with everyone bundled up and snow on the ground. But all of he trees and bushes still have their green leaves instead being bare.