During the closing dance sequence, close ups of aisle 4 (the back end) have generic items in white packages with black lettering throughout all the shelves. As the number comes to a close, the overhead shot from in front of the registers shows that aisle 4 (in the back) clearly has items with colored packages within. The green and white Wise chips sign to the left of aisle 4 can clearly be discerned in both shots.
At minute 48:43, when stopped for gas the two pumps show $0.72 & $0.74/ gallon. National average gas price in the US in 1984 was $1.20.
At 31 min. the semi-trailer truck strikes the railroad tank car with such force that the entire front end engine compartment to the driver's cab is completely destroyed. In continuing shots over the next two minutes of the truck's front end remains intact.
In the opening scene, many vehicles featured in Murray's crash sequence reel are from the 1990s and 2000s, whereas White Noise takes place in the 1980s.
The movie is set in 1984 but at the A&P and other scenes they show New Coke which was not released till April 23, 1985, Coke-Cola Classic which was not released till July 11, 1985.It also shows Pocky a Japanese snack which is very common now but was not commercially available in America till 2003.
At around 18:56 the family are watching footage of a plane crash at an air show in New Zealand. The plane is said to be an F-86 (a Sabre jet fighter) but the footage is of a quite different aircraft, a light aircraft with a propeller and fixed undercarriage.