This section of the Grand Theft Auto V game guide includes a list of codes and cheats you can use in the game and a description how to they affect the gameplay. The cheats available in GTA V regard, among others - decreasing the Wanted Level, free vehicles, quick travel, and accessing strong attacks.
Codes and cheats in GTA 5 - general information
As in the previous games, GTA 5 offers a variety of simplifications for those who doesn't want to play according to the rules or just looks for alternative way of playing. To active code, you have to insert quickly particular combination of keys. Remember that all directions has to be chosen on the D-Pad and after activiation of codes all achievements are turned off.
If you save game in that moment, they'll be disabled on every save to the end. Each usage of the code requires putting it in once again so if you have to get rid of five start Wanted Level, you have to put the combination five times in a row. What is more, when you summon a vehicle make sure you're on a big, open space.