When Margurite and her son are fighting over the radio in his old Volkwagen Beetle, he turns the keys and removes them from the ignition, silencing the radio. Radios in old Beetles will work without the ignition on.
When Junior goes to get Charice a Pepsi he goes to the Lula Liquor store but he sees the "Sorry we're closed" sign, so he leaves. Later Raybud is seen in front of the same Lula Liquor store and it's open for business and the door is open.
The movie takes place in the southern town of Lula, but Ray Bud's "new" used pickup truck has California license plates.