To reset the maintenance light on the 2005 Acura TL, please follow these instructions:
1. Turn ignition to (II) – do not start the engine. 2. Press the SELECT/RESET button until the oil life displays. 3. Press and hold the SELECT/RESET button for 10 seconds, until the information display asks for confirmation. 4. Press the SELECT/RESET button to select OK to reset the display. 5. Turn the ignition off and then start the engine to verify the indicator has been reset.