Unlock Lotus 49C in Time Trial mode:
     Win a race weekend to access to the Lotus 49C.

Unlock Alfa Romeo 158 in Time Trial mode:
     Finish  the  World  Championship mode or Career mode to access to
the Alfa Romeo 158.

Unlock Williams FW06 in Time Trial mode:
     Reach a "Bronze" lap time rate in Time Trial mode at every tracks
to access to the Williams FW06.

Unlock Williams FW18 in Time Trial mode:
     Reach a "Silver" lap time rate in Time Trial mode at every tracks
to access to the Williams FW18.

Unlock Jerez (spanish) track:
     Reach  "Gold"  lap  time rate in Time Trial mode on all tracks to
access to the Jerez track in Time Trial mode.