As Humbert and Lolita are leaving Beardsley, they drive through an intersection with a traffic light visible for the intersecting traffic. The light changes from red to green just prior to the car entering the intersection, meaning that they go through the intersection against the light.
On the western leg of their drive from Ohio to California for Humbert's Hollywood sabbatical, he tells Lolita he thinks the man in the light-colored car who spoke to her at the gas station is the man who has been following them for the previous three days. Yet, the car that has been following them is black or dark-colored with a white top.
When Humbert comes through the door in the beginning of the movie, he walks by a painting in the hall. Some moments later he is shot through the same painting on the stair case. When Quilty is first shot in the leg, a covered chair is visible at the top of the stairs, it isn't until Humbert reloads and Quilty makes it to the top of the stairs that we see the painting that he hides behind before being shot.
When Humbert starts his journey to pick up Lolita, you'll see at Camp Climax sign, the white station wagon has a license place that reads 2178 and seems to be from a different state than the other plates. The car Humbert parks at the service station has a lamp attached to the front grille, and carries number plate 17459. A few minutes later when he has the blowout (which seems to leave all four tires intact) the lamp is missing and a white number plate that reads AC629. The car that has been trailing them also has this same type of license plate, too. It is visible on the front of the car and on the back, when it turns around. At the end of the film, the car has the 17459 license plate again.
When Humbert and Charlotte discuss sending Lolita to the girls camp, Charlotte holds a smoking cigarette in a cigarette holder in her left hand in the shots facing Humbert. When the shots face Charlotte, there is no cigarette in either hand and no smoke. This changes back and forth as the shots change between the two characters.
When Humbert is considering shooting Charlotte while she supposedly is taking a bath, he uncorks and drinks from a liquor bottle, tossing the cork onto the end table. Seconds later he is shown with the same cork in his left hand, which he then places on the end table.
When the blow out happens, the shots immediately afterward show the car is on a long, straight stretch of road. However, in the shot immediately before this, Humbert was steering the car through numerous corners, and had only just finished straightening the car out when the blow out happened.
As Humbert brings their Ford station wagon to a screeching halt after the "blowout", the outside view of the front of the car shows all four tires fully inflated and a license plate with AC629 on a white background. When they stopped at the gas station previously, the numbers were 17459 on a black background. The auxiliary light that was next to the left parking lamp is also now missing. As the car comes to a halt after the blowout, Lolita is sitting in the front passenger seat instead of in the middle of the back seat. On the cut to the inside of the car afterwards, Lolita is still in the back seat.
When Humbert watches Lolita speaking to the man in the strange car in the service station, he is in a restroom looking out a window. Yet in the frame preceding this scene, when they pull into the service station, there is no room with windows on that side of the station from which Humbert can watch Lolita--it's the service bay, open wall for cars to drive in and out.
There is a moving shadow of crew member on Humbert's back when he is talking to
Lolita in the kitchen of her house; the same movements can be seen directly in crew member's reflection on the television screen facing the camera.
Charlotte Haze's house is obviously British in architectural style as is the street in front of her home, although the location for her house is New Hampshire, USA according to the voice over in the film. Much of the film was shot in the UK.
As Humbert Humbert and Dolores race to escape the car that HH believes has been tailing them for three days, their own car sustains a puncture (blowout) and HH has to slew the car to a halt. The low camera angle at the front of the vehicle, however, shows all four tyres fully inflated and all four corners of the car riding at normal height above the road surface.
When the Professor visits Lolita and her husband, Dick Schiller, having been told he is her stepfather Schiller addresses him as Professor Humbert. Shortly after talking about the opportunity in Alaska he calls him Professor Hayes, using Lolita's maiden name.
The end scene, where Humbert tracks down Clare Quilty in the cluttered mansion, is shown twice: first at the start of the movie, then again at the end. But there are some noticeable contrasts: for example, in the opening version of this scene, the sheet-draped chair, which is concealing Quilty, has a dark-colored bottle sitting near the top. This bottle falls and clatters to the floor as Quilty stirs. But in the end scene, this bottle is nowhere to be seen. Also, Humbert holds his left arm differently as he walks round the harp.
When Humbert arrives at the now-married Lolita's house, he parks his car and gets out. From this angle we see Humbert and the car bathed in afternoon sunlight. But as the camera changes to a different angle, the car and Humbert are now suddenly in shadows.