Some 2019-2022 Edge/Nautilus, 2018-2022 Expedition/Navigator, 2020-2022 Explorer/Aviator vehicles equipped with a family entertainment system may experience the audio is not synchronized with the video display when using the vehicle speakers. To correct this condition, contact the VOXX Customer Service Department at 1-866-869-7888. For claiming, refer to the Warranty and Policy manual for Ford Licensed Accessories.