How do reset the Oil Change Soon light on a 2008 Mercury Mariner?

To reset the Oil Change Soon light on a 2008 Mercury Mariner, first turn the ignition to the "ON" position without starting the engine. Press the accelerator pedal three times within five seconds. Turn the ignition off, then turn it back to the "ON" position to verify that the light has been reset. If the light remains on, repeat the process.