This takes place about 28:15 into the movie or at about chapter 7 at about 45 seconds on the DVD.

When they are knocking over the cones in the beetle in one shot of the front of the car it has a license plate, then it doesn't have a plate in the next shot, then it has a plate but it is hanging on by one screw in the next shot, and then when they pull under the bridge the license plate is connected by all four screws.