I don't think it's linked to the b/t exhaust operation. That never beeps when I activate it (just flashes 5x) and I know it stays in 'track' mode as the light continues to flash every 5 seconds.
Intrigued as to what it is, just can't see any reason why / when it happens...!? Thought it may be the dash-cam but can't find anything in the instructions about one beep (only two).
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