How do you change the controls on grand theft auto san andreas for the xbox?

i recently bought san andreas as an xbox original on xbox live. I need help changing the controls, such as driving with the "A" button instead of the trigger button. I also would like to know how to change the display mode so the game would take up the full screen. ThanksHow do you change the controls on grand theft auto san andreas for the xbox?
you have to pause the game and go to settings. You can change the screen size in display settings or video settings and for the controls go to control settings.