What to do if my Garmin Fusion Apollo MS-RA770 Stereo System says 'No Signal'?
- EEdward PetersonJul 29, 2025
If your Garmin Stereo System displays a 'No Signal' message, it indicates the SiriusXM Connect Vehicle Tuner is struggling to receive the satellite signal. First, ensure the SiriusXM antenna is placed outdoors with a clear, unobstructed view of the sky and is securely mounted. Remove any obstructions near the antenna. Also, check the antenna cable for damage or kinks, and replace the antenna if the cable is damaged.