Reset service light indicator, engine oil life Infiniti FX Series, year: 2003-2010, oil reset instructions:

2004-2005
Turn the ignition to run (one position before starting engine).
Press the “MAINT” button until “Engine Oil” appears in the display.
To reset the driving distance push the “MAINT” or “TRIP RESET” button for more than 1.5 seconds.
Turn the ignition off and then start the engine to verify the indicator has been reset. Turn the ignition on without starting the engine (press START/STOP) button.

2006-2008
Navigation System:
Press the “TRIP” button repeatedly until “MAINTENANCE appears and press enter to select.
Use the joystick to scroll to “Engine Oil” and press “ENTER” button.
Select “RESET” and press “ENTER” button.
Turn the ignition off and then start the engine to verify the indicator has been reset.
Whitout navigation System:
Press the “MAINT” button until “Engine Oil” appears in the display.
Use the controller keys to select “Engine Oil” and press “Enter”.
Select “RESET” and press “ENTER” button.
Navigation System:
Turn the ignition off and then start the engine to verify the indicator has been reset.

2009-2010
Turn the ignition on without starting the engine (press START/STOP) button.
Locate TRIP computer switches on the right side of the instrument panel (Square and Circle buttons).
Press Square (button) repeatedly to bring up the “Setting” screen on the instrument panel display.
Follow the prompts to select the “Maintenance” menu. Once this menu is accessed follow the prompts to set or reset the “Engine Oil”.
Repeat and follow prompts to reset “Oil Filter”.
Turn the ignition off and then start the engine to verify the indicator has been reset.