Continuity mistake: When Rex slams on his brakes after Ian tells him that he met a girl online, the background outside the driver side window is a building with trees around it. The shot then switches to the passenger side. When the shot goes back to the driver's side, the background outside of the window is just trees and other shrubbery, even though the car is still at a standstill. (00:06:25)
Continuity mistake: When Rex slams the brakes on after hearing that Ian found a girl on the internet, the scenery on Rex's side slows right down to practically stationary. (Like it should since he slammed the brakes on). However out of Ian's window, the scenery is still moving at the same speed prior to Rex braking. (00:09:20)
Continuity mistake: When at Lances house party, Lance is greeting his guests when he passes a girl in a green dress twice. (00:18:10)
Continuity mistake: Ian throws his list of things to take in the bin with it sticking out the bin when the camera cuts away. In the next angle there is nothing in the bin. (00:29:45)
Continuity mistake: When Ian chucks his list of things to take in the bin, the bin's position relative to the table leg changes instantly. (00:29:50)
Continuity mistake: When the three are in the car after riding in the corn field, Ian's friends keep changing places - three times. (00:34:45)
Continuity mistake: When Ian is driving the GTO to Knoxville, He pulls out into the middle lane on the bridge, camera cuts and he moves out again. (00:35:15)
Continuity mistake: When the GTO has the nachos chucked on the windscreen, the wipers are going in some shots but not others. (00:36:30)
Continuity mistake: When Lance and Seth Green are riding in the buggy, they are talking for a few minutes. During this time the side shot will show Lance with his arm all the way around Seth's back/shoulder. However, when the camera changed to a full shot, Lance's arms were at his side, nowhere near Seth's back or shoulder. This happened several times during this scene. (00:40:35)
Continuity mistake: When Lance is sitting on the hood of the broken down GTO, he puts his glasses in a case and sets them on the hood. As Ezekiel pulls up, the view of Lance is from the side and you can see the glasses outside of the case on the hood. (00:52:00)
Continuity mistake: When Rex gets off his bike on the way to see if his GTO is in the garage, the bike continues perfectly straight and balanced. Camera cuts and the bike is on its side. (01:07:50)
Continuity mistake: When Rex is smashing up the garage door, the damage to the door keeps changing. (01:08:05)
Continuity mistake: When Rex is smashing up the garage door, his helmet keep changing position instantly. (01:08:20)
Continuity mistake: When Lance and Ian are in jail, Lance is sitting next to a large man who is slouched forward. While Lance is mid-sentence, the shot changes and the man is sitting up much straighter. (01:11:45)
Continuity mistake: In the bathroom scene where Ian and the men's room predator are waiting, once inside, Ian grabs for the toilet paper and you can see the predator's pants are on. Next shot you see the predator standing naked, and his pants are hanging up. (01:13:05)
Continuity mistake: When the GTO is racing the green car, the other cars around them change instantly and several times. (01:23:30)
Continuity mistake: Just before Ian hits the possum with the GTO, Felicia's bottle changes hands instantly. (01:23:45)
Continuity mistake: When Rex catches up with Ian at the motel, Ian's shirt is undone. When Ian leaves to meet the girl off the net, his shirt is done up. (01:36:25)
Continuity mistake: When the three of them are about to leave jail and Ian reads the message on his iPhone, the time says "August 14, 2008 10:02 PM". Later on, when Ian is in the car waiting for Ms_Tasty, the time says "12:02 Saturday, August 14". The date should be 15 August as it is after midnight (you can tell that this is late night/early morning as it is dark out and the time earlier was PM).
Answer: LoJack.