How do you change the battery in 2003 Infiniti fx35?

To change the battery in a 2003 Infiniti FX35, first, ensure the vehicle is turned off and the keys are removed. Open the hood and locate the battery; disconnect the negative terminal (black) first, followed by the positive terminal (red). Remove any securing brackets or clamps, then lift out the old battery and replace it with a new one, connecting the positive terminal first and then the negative terminal. Finally, secure the battery in place and close the hood.