Use a text editor such as notepad to edit the "config.cfg" file in the "\Documents and Settings\[user name]\My Documents\Euro Truck Simulator" directory. Change the lines:

uset g_console "0"
uset g_developer "0"

to:

uset g_console "1"
uset g_developer "1"

Then, press ~ during game play to display the console window. Enter one of the following codes to activate the corresponding cheat function.

Effect	Code
+50,000 cash	cheat money
Open map editor	edit