Reset service light indicator, engine oil life, dashboard oil life indicator Acura RL, year: 2005-1010, instructions for manually resetting the trip computer:

Year 2005
Turn ignition to position 2 (do not start engine).
Press the SELECT/RESET button until the oil life displays.
Press and hold the SELECT/RESET button for 10 seconds, until MAINTENANCE RESET displays.
Press the SELECT/RESET button to select OK to reset the display.
Select RESET on the display and press the SELECT/RESET button.
Turn ignition off and then start the engine to verify the indicator has been reset.
Years 2006-2010
Turn the ignition to position 2 (do not start the engine).
Press the SEL/RESET button on the steering wheel repeatedly until engine oil life is displayed.
Press and hold the SEL/RESET button for more than 10 seconds. The remaining engine oil life reset mode will be shown on the multi information display.
Select RESET by pressing the INFO (▲/▼) button, then press the SEL/RESET button to reset the engine oil life display. The maintenance item code(s) will disappear, and the engine oil life will reset to 100.
Turn the ignition off and then start the engine to verify the indicator has been reset.
*Models equipped with the keyless access system have an engine start/stop button instead of an ignition switch. Pushing start/stop button once without starting engine is equivalent of ignition position 2.