Goofs

When the bridge starts going up on its own, it's fairly high. Then we cut to a shot of a truck in the middle and the level of the bridge has dropped considerably - it's almost level. Then we cut back to long shots and the bridge is at its original higher elevation.

When the main truck backs up, knocking the Bible salesman into a ditch there is no blood. But as the truck is pulling away, there is blood all over the back of the trailer.

When Duncan goes to get his son, his eyes are puffy from gasoline but there's no blood. Joe grabs his arms and we get a close-up shot of Duncan's face and there's blood all over his face. Then they cut back to longer shots and the blood disappears.

At the end when the Dixie Boy survivors are leaving on the boat, the person piloting the vessel has wavy hair, is wearing a blue shirt with a shoulder holster and was never in the film at any point. In the next shot, the vessel is being piloted by Steve with his curly hair and Dixie Boy jumpsuit.

At the kids baseball game, a steamroller bursts onto the field and the steering wheel falls off. Seconds later, as the machine is running over one of the players, the steering wheel is back on.

The image of the Earth shown at the beginning of the movie is reversed.

You do not reload the M72 anti-tank grenade launcher. It is a one-time-only weapon designed to be tossed away after use.

The M60 fires too many rounds when it fires at the people in the Dixie Boy. The belt of ammunition does not have that many rounds in it.

A caption at the start gives the time, to the exact second, of the passage of the Earth through the extraordinarily diffuse tail of a comet. Such precision cannot be achieved, due to the impossibility of defining the start and end of the transit.

When the diesel pump goes feral and sprays Duncan in the face, the fuel that comes out of the nozzle is a dirty gray-black in color. Raw, undyed diesel fuel's color ranges from clear to light amber.

All machines are turning on people yet the newlyweds drive a car for miles. The car never comes to life.

Several cars in the film do not "come to life"; there is no scientific explanation for what is happening and if it is all due to alien interference, as implied by the epilogue, they could be choosing which vehicles they specifically want to control.

Diesel is incorrectly spelled "disel" on the gas pump at the first service station the newlywed couple stop at.

Sometimes people in real-life misspell things, particularly in rural businesses.

The comet entity can make weaponry operate/shoot like the machine gun and electric knife. The arsenal of guns in the basement and rocket launcher doesn't work, however.

The only gun that the machines fire is the one that is mounted on a moving vehicle which was controlling its use; "independent" weapons are not affected because they are not mechanical. The knife was an electric device which is why that was affected, but regular knives were not.

The gun mounted on top of the motorized turret can not be controlled by the turret as shown when the turret comes alive. The gun is a separate item mounted on top of the turret, not part of the turret's mechanical system.

The extent to which the aliens can control mechanical devices is unexplained, so it's entirely possible they can control this weapon as depicted.

When Bill gets called into Mr. Hendershot's office to discuss his time card, the clock behind Bill says 10:06. The clock is broken and reads the same time the entire scene including the second hand.

Clocks can break in real life, and it's possible that being a mechanical device, it's functions are affected by the comet.

After the electric knife attacks Wanda the waitress, she leans her elbow on the grill but she doesn't burn herself.

When Curtis and Connie first get to the gas station and find the attendant dead you can see his back moving due to him breathing.

When the old red Mack truck flies off the road, flames appear underneath it before impact.

Signs visible throughout the movie list the price of diesel fuel at the Dixie Boy as $1.08 per gallon. Yet, whenever the pumps are being used and the sale amount and gallons pumped are shown, the numbers work out to much less than $1 per gallon, actually just a minuscule amount over 56 cents per gallon.

When Curtis shoots the ice cream truck, a human driver can briefly be seen at the wheel.

When Bill and Handy are talking outside, after feeding the trucks fuel, the camera and crew is reflected on the windows of the Dixie Boy. Then you can see an umbrella with people sitting under it.

When the camera is in front of the Green Goblin truck, you can see the reflection of the camera car in the shiny bumper.

In the scene where Curt and Connie are attempting to get into the truck stop, the beer truck is ramming their car after they are freed from it. The driver of the beer truck is visible for a few seconds.

When all of the trucks at the diner start to come alive, you can see the reflection of the crew in the back of a red car on the right of the screen.

After the truck explodes, Curtis and Connie stop to watch and take a breather. As they do, the crew and lights can be seen in the chrome on the side of their side view mirror.