About 5 min from the end, running through a park, a white truck bearing the words "SNACK BAR" is stationed; the word PEPSI has been blacked out with a huge rectangle of (black) tape, both at its rear facing the camera and at screen right. Evidently, Pepsi hadn't paid for product placement, but its logo (red, blue and white circle) is unmistakable.
Even though Reed and Malloy are usually assigned to the Central patrol area their basic car number starts with a 1 Adam with the 1 identifying them as Central area. However being assigned to Southwest division in this episode their car number should have started with 3 Adam.
Lillian Bronson, who portrays the woman taking offense to the "dirty pictures", has appeared on the show four times (this the last of the four) playing four different characters, but is arguably most memorable as portraying Malloy's feisty landlady who wanted satisfaction from her friend Malloy and his colleagues for a crime committed against her, a purse snatching, in O'Brien's Stand (1973).
The location of the store for the gumball machine incident is the same street corner (6301 Colfax) as shown in the season 4 episode "Back Up 1-L20" when Sgt. MacDonald was accused of striking a pedestrian with his car.
The car being chased in the LA Coliseum is a 1967 SS396 Chevelle in Granda Gold color.