Simpsons Road Rage Easter Egg - Holidays

again i dont know if this will happen on ps2 or gamecube versions.
but "simpsons road rage" will react to holidays,like christmas,thanksgiving,new years day and probably more.
or you can just set youre xboxs date to a holiday even though it really isnt.
any way,heres a list of specail vehicles you will get on each holiday.(they are the same as the regular ones,they just look diffrent)

thanks giving:marg simpson(vehicle:"happy thanks giving")
christmas:apu(vehicle(vehicle:"marry christmas")
new years day:crusty(vehicle:"happy new years")

there are others that can be found.
the bad part is that it is only temorary.
so that kinda takes away the cool part of it..kinda.
but that what that "?" block is for at the vehicle selection menu.