The blue pickup truck that goes over the embankment is clearly a different truck than the one shown before.
1978 Ford truck crashes off the highway and down and embankment and mysteriously changes into a 1967 model Ford truck and then explodes and burns.
After the blue truck crashes the stricken driver has a large bald spot on his head. When Jon and Ponch are shown dragging him away from the burning truck, his stunt double has a full head of hair.
Forbinger tells his granddaughter to get indoors and lock all the doors yet when he arrives home, he enters by the front door which is unlocked.
In the end scene before the credits a boom mic is continually visible in the mirror on the right side of the screen.