How do you reset service light on t350 transit van?

To reset the service light on a T350 Transit van, follow these steps: Turn the ignition key to the "ON" position without starting the engine. Press the gas pedal three times within 10 seconds. After doing this, turn the ignition off, then restart the engine to verify that the service light has been reset. If the light remains on, you may need to consult the vehicle's manual or a professional for further assistance.