"Buzz"- "Buzz" or "Quack" - "Quack" sound, warning? notification?

[Mitch AC DC]

Hi all, just noticed recently {after a years driving}. a warning? notification? sound. happens randomly, nothing shows i can see on dashboard!. sounds like a "Quack"-"Quack" or "Buzz"- "Buzz" sound?
suggested Bluetooth Mobile phone related emails? messages?. Vicinity warning?
Answer or suggestions welcome. Thanks

 

[Alb]

Do you have one of these in the car?

 

[EWD]

Hi all, just noticed recently {after a years driving}. a warning? notification? sound. happens randomly, nothing shows i can see on dashboard!. sounds like a "Quack"-"Quack" or "Buzz"- "Buzz" sound?
suggested Bluetooth Mobile phone related emails? messages?. Vicinity warning?
Answer or suggestions welcome. Thanks

It could be something to do with the AC. En route to France mine made similar noises. I only noticed it as the radio was off and the car was stationary. It was quite a hot day, it didn't last long and I haven't heard it since. The noise was just behind the dash.

 

[Mitch AC DC]

Do you have one of these in the car?
View attachment 19991

Fits the bill, Buzz and Quack