Didi 05 is one of the main characters in the unreleased Cars Toons film To Protect and Serve. Didi 05 is a female police car who takes over for Sheriff when leaves town, along with Mike 07. She is voiced by Wendi McLendon-Covey.
"When Sheriff takes a mandatory vacation, two overzealous rookies from County take over his duties in Radiator Springs. Bent on making a good impression to score commendations, the rookies over-do every aspect of their jobs, finding "crimes" at every turn and turning the quiet little town into a hotbed of taped-off crime scenes. No one is safe and everyone's a suspect until Sheriff senses an imbalance and returns home to right the "justice" that’s been served."