| Connection failed! | The system failed to connect with a Bluetooth® device. | The system failed to connect with a Bluetooth® device. Check whether the smartphone displays a "connection acknowledgement" telop. When the smartphone is ready to connect, attempt to connect it again. |
| The number of paired devices has reached the limit. Please retry after deleting at least one of them. | Android Auto HFP cannot be paired | You attempted to pair more than five Bluetooth® devices. When you wish to pair with another device, you should delete one paired device. |
| Error detected (speaker fault) | Speaker error | The speaker is not connected or the connection is loose. Perform Inspection Procedure 2 "No sound is heard <Vehicles without audio amplifier>" (Refer to  ) or "No sound is heard <Vehicles with audio amplifier>" (Refer to ). |
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