Pause the game and type one of the following codes to activate the corresponding cheat function:

RESULT  = CHEAT CODE  
Infinite = gas fillup 
Money and license = hardtruckisthebest or wininalottery 
Unlock all roads = openallroads 
Disable mines = minesoff 
Display hidden containers on map = advancedmap 
Press [Backspace] for free repair = freerepair 
Press [Ctrl] + 5 for free recovery = freerecover 
Press [Ctrl] + 1, 2, 3, or 4 for more thrust = turbine