Sony XAV-AX8500 Help Manual page 102

Help Guide
In-Car Receiver
XAV-AX8500
The other BLUETOOTH device cannot detect this unit.
Set [Bluetooth Signal] to [On].
Depending on your smartphone or mobile phone, you may need to delete this unit from the history of the connected
smartphone or mobile phone, then pair them again.
Related Topic
Pairing and Connecting with a Bluetooth® Device
Connecting with a Paired BLUETOOTH Device
Device Connection
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