Reset service light indicator, engine oil life Infiniti G Series, year: 2005-2010, oil reset instructions:

2005-2006
Turn the ignition to run (one position before starting engine).
The VEHICLE INFORMATION screen will appear when the INFO button is pushed. Choose an item “MAINTENANCE” using the joystick and push the ENTER button.
Select the “Engine Oil” setting using the joystick and press ENTER.
To reset the maintenance interval, select the RESET key using the joystick and press the ENTER button.
Repeat steps for “Oil Filter” reset.
Turn the ignition off and then start the engine to verify the indicator has been reset.
2007-2010
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.