adjust tv for gtaiv

okej! i think that if i use the default settings my tv is using its to dark for gta!i have an 32 hd LG! should i run with the default settings or change tv-settings or change in-game contrast because you can i磛e saw that!and second question! how do you run it? default settings or? would apreciete if someone would answer me this cuz i want to enjoy the game how its meant to be enjoyed! right now i think its to bright! because i have adjusted the tv and in-game contrast!