PS2 Cheats
Sega Rally 2006 Cheats
Championship Expert mode in Sega Rally 1995 bonus disc:
After selecting Championship, while still at the car select screen. Note that this is only for the included Sega Rally 1995 bonus disc, and not Sega Rally 2006 itself. Enter: Press Shift-Up 4 times (R2 on Dual Shock, paddles/stick on Logitech wheel), then select car.