The white Mazda pickup used in the mistaken traffic stop near the end of Episode 4 (2019) is in fact the same one shown at the suspect's house in later scenes. Its rear bumper carries two wide rectangular red-and-white DOT reflective truck stickers that are not standard Mazda equipment, but were apparently applied by a previous owner of that particular truck, making it uniquely distinctive.
At around 11:15, a woman, who is outside the room the action is taking place in, walks by in medium-high heels, which in itself is perfectly normal. But she is tip-toeing: her heels never touch the floor, probably to avoid making noise that would otherwise disturb the scene.
Around 37:57, the detective makes a u-turn to follow the suspect. Her gas tank door is open and slaps shut as she is finishing the turn.