Under the following game modes: ''Time Attack'', ''Free Run'', or ''VS Battle'' you can choose more than just sunshine or clear rain. This only works when you select rain. While you are selecting the course starting point, hold down the corresponding button below to add the effects of fog, thunder, or snow.
Get This By Doing This
Snow Hold Down Button L1
Fog Hold Down Button L2
Thunder Hold Down Button R2
With Any car if you surpass 1242 miles on the car you are currently using you can change your engine to a tubro changed engine
To use the turbo boost on cars with NA (Naturally Aspired) engine:
When selecting the course to race on, hold down the select button. Select the course (still holding the select button), wait through the loading screen, (still holding the select button), and wait until the auto-pilot is done. When the auto-pilot is finished, let go of the select button.
Now during races, your NA car can use a turbo boost that only turbo cars can usually do.