Various SYNC 4 System Concerns – SYNC4 System Reboot Procedure – 2021 Ford & Lincoln
NHTSA ID Number: 10187948 Manufacturer Communication Number: SSM 49625 Summary Some 2021 Mustang Mach-E/F-150/Edge/Nautilus vehicles may require a reboot of the SYNC 4 system. For vehicles equipped with a volume/power and right seek button, press and hold both the volume/power and right seek button for 10 seconds and the system will reboot. For vehicles not equipped … Read more