Fuji and Clover tracks: Complete the Sport Series week two. Oval track: Complete the Heavy Series week two. California track: Complete the California Cup week five. Mirrored series tracks: Choose practice mode and select the mirrored version of any track. Once on the track, exit and begin a race in series mode. The series track will be the mirrored version. Five-Oh car: Complete the Sport Series. Predator car: Use the Five-Oh car to complete the Sport Series. Mano car: Use the Predator car to complete the Sport Series. Squirrel car: Complete the Light Series. Mountain Dew pickup: Complete the Heavy Series. Insect car: Use the Squirrel car to complete the Light Series. Forklift car: Use the Insect car to complete the Light Series. Semi truck: Complete the California Cup OL' truck: Use the Mountain Dew pickup to complete the Heavy Series. Camper truck: Use the OL' truck to complete the Heavy Series. ADJUST FOG COLOR: Select a non-series race. Hold L + R + C-UP + C-DOWN + C-LEFT + C-RIGHT + DOWN when the screen fades and wait until the track select screen has fully appeared. Then, press RIGHT until an option to adjust the fog color appears.