Characters refer to "Laurelhurst" (misspelled on the computer screen as "Laurelhearst") and "Burnside". Both are notable areas in Portland, Oregon, where writer/director Miranda July used to live. Christine also receives a cellphone call identified as "M & F Dept Store" which probably stands for "Meier & Frank."
Christine writes "F***" in black marker on her windshield. In the second shot of the windshield, the handwriting of the word is completely different than before.
After Michael rolls down his window and tells the father and daughter in the car in the next lane that he and Christine will pull up in front of the car with the goldfish on the trunk to keep them driving steadily, the shot returns to inside Christine's car and Michael's window is rolled up.
When Richard is gluing the mirror onto the makeup container, you see him unscrew the cap and apply the "shoe goo". In the next angle, the cap for the goo has magically screwed itself back on.
Richard Swersey: In some cultures, when you burn yourself, it's a ceremony. It's called self-immolation! My uncle used to do it all the time. It was a great trick! He'd put the stuff on it, light it, and it would just go out when he went like this.