Initial D: Arcade Stage Cheats

Turn lights off:
Hold Start for about two seconds on a night stage.

Normal course for customization:
In version 2 games, get to the screen for choosing the options for customization. You can select the ''normal'' one instead of A, B, C or D. by steering to the left as far as possible in remaining in that position until the ''normal'' one appears.

Music select:
Select time attack or story mode. Press View at the level selection to cycle through the songs which will be displayed at the bottom left corner.

Drift:
When going in a corner, shift down and shift back up (not in automatic, in a transmission higher than 1) it also works the best in FR cars like the Trueno AE86 . note. its easy to do it on myogi so practice there. 
User Cheat by ZERO2INFINITE

Bonus race:
Defeat all sixteen racers to face Takumi Fujiwara on the last track. By beating him you will unlock a race against Bunta (Takumi's Father) in Akina.

By beating all twenty eight racers on all maps you will unlock a race with Keisuke in Tuchi. By beating Keisuke you will unlock a race with Takumi in Tuchi.

Toggle challenges:
Press Start during a race to toggle the ability to accept or decline challenges. REMEMBER: This feature is only available in version 2 games.

GC8V car:
Go into the car manufacturer selection screen in a version 2 game, then press Shift Up, Shift Up, Shift Down, Shift Down, Shift Up, Shift Down, Shift Up, Shift Down, then hold Brake and press View Change. The sound of an engine will confirm correct code entry. Select the Subaru option to access the GC8V car.

In a version 3 game, Go into the car selection screen then press Shift Up, Shift Up, Shift Up, Shift Up, Shift Up, Shift Up, Shift Down, Shift Down, Brake, View Change.

Bunta's Impreza:
Go into the car selection screen, then press Shift Down, Shift Down, Shift Up, Shift Up, Shift Down, Shift Up, Shift Down, Shift Up, then hold Brake and press View Change. Scroll down to Subaru and you should see "New" next to one of the Imprezas, indicating that it has been unlocked. REMEMBER: This feature is only available in version 2 games.

View previous times in time trial mode:
Press Start to toggle the check point time progress indicator from the best time to the previous time for the course.

Extra points:
Win three consecutive times against a human opponent to get a 9,000 point bonus. REMEMBER: This feature is only available in version 2 games.

Game stats:
When you put in your data card, it shows your car specs. At that screen, press View Change to review your game stats, such as steering level, car parts, battle screen options, etc.