Garard's jacket goes from being zipped to unzipped between shots after he is set down in front of the fireplace in Tookey's Bar.
When the Attendant (Lou DiPIlla III) tells Gerard (Eric Slodysko) that it will take him about 2hrs to get to the next exit, Gerard flips out saying that he's already been driving for 3 hours. Gerard later states he and his family are from Pennsylvania. Even if they lived at the most north eastern part of Pennsylvania, it would've taken them over 6 hours to get there.
It only takes 21 minutes to drive from Falmouth, Maine to Gray, Maine not 2 hours like the Attendant (Lou DiPilla III) says it will.
Bottle of "whiskey" was clearly Captain Morgan Spiced Rum with his head ripped off.