Hi-Octane

Enter one of the following codes:

Function - Code 
Destroy yourself - [Alt] + [F1] 
Destroy all enemies - [Alt] + [F2] 
Full fuel - [Alt] + [F3] 
Full ammo - [Alt] + [F4] 
Full shield - [Alt] + [F5] 
One lap remaining - [Alt] + [F6] 
Auto-pilot on - [Alt] + Y 
Auto-pilot off - [Alt] + C