How do you reset the oil change light on a 2005 Porsche Boxster S?

To reset the oil change light on a 2005 Porsche Boxster S, turn the ignition on without starting the engine. Press the gas pedal fully three times within five seconds. After releasing the pedal, the oil change light should reset. Finally, turn off the ignition and then start the engine to verify that the light is no longer illuminated.