The cheats for Fallout: New Vegas are the same as Fallout 3.
To bring up the cheats console during gameplay, hit the tilde (~) key.

Use a text editor to edit the "config.cfg" or "controls.def" file in the folder:
"\my documents\18 WoS Extreme Trucker 2\".

Open the console by pressing ` (tilde). Select a planet or ship then enter any
of the following cheat codes:

Enter one of the following codes at any menu before starting a race to activate
the corresponding cheat function.

1.Use a text editor to edit the "DefaultInput.ini" file in the "\Program
Files\CAPCOM\Dark Void\nativePC\SkyGame\Config" directory.

Perform the following actions to unlock cheats which you can toggle on in the
Options menu.