There is no picture or picture noise occurs.
- A connection has not been made correctly.
- Check the connection between this unit and other equipment, and set the input selector of the equipment to the source corresponding to this unit.
- Installation is not correct.
- Install the unit at an angle of less than 30° in a sturdy part of the car.
- The parking lead (light green) is not connected to the parking brake switch lead, or the parking brake is not applied.
- Check that the parking lead is firmly connected to the parking brake switch lead, then apply the parking brake.