"Grand Theft Auto IV" is a video game set in a fictional area called Liberty City. This game provides you with an in-game phone that you can use to store contact information and converse with certain non-playable characters. If you want to use cheat codes in "Grand Theft Auto IV," you must use the phone's keypad to type in the numbers. The DualShock 3 controller's D-Pad can be used to type in the numbers.
Instructions
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1
Press the D-Pad "Up" button while playing to bring up the phone.
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2
Press the D-Pad "Up" button again to bring up the phone's keypad.
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3
Highlight a number using the D-Pad "Up," "Down," "Left" and "Right" keys.
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4
Press the "X' button to type the number.