How Do Cheats Work On Sims 2 Pets For Gamecube?

I can’t seem to figure them out at all. I know you have to bring up the gnome but what else is there to do? I have all the cheats (the ones for simoleons and advance 6 hours) but I don’t know how to get them to work.

How Can I Make Cheats Work On My Lego Racers For Nintendo 64?

I have found millions of cheats for Lego Racers but I dont know how to make them work well. You have to put the name of the cheat in the driver’s license, but I cant make it work. Can anyone explain me why?