Petey Pacer was first seen on the Oil Rig, welding a torch among several other lemons attacking Finn McMissile on the helipad. He's later seen at the first World Grand Prix race in Tokyo, when he and Acer went to find Mater. Petey was sprayed with lather from a fire extinguisher used by Finn, then turned around the corner and crashed into a security officer. Petey was later arrested by the officer.
- Petey is based on an AMC Pacer.