Bus message, telephone (Audio)

For a further description of the car's bus system, see BUS AND DIAGNOSTICS COMMUNICATION .

The main unit uses the following information:

MAIN UNIT USES INFORMATION DESCRIPTION

Information	Value/units	Off	The value depends on thB following sensor input, signal or function
Ignition +B	ON/OFF	DICE	The main unit uses the +B information only as logic voltage.
Key Correct	-	TWICE	The main unit uses the information for the theft protection function of the audio system.
Diagnostics communication		DICE	For further information on the bus, see BUS AND DIAGNOSTICS COMMUNICATION .

The main unit transmits the following information:

MAIN UNIT TRANSMITS INFORMATION DESCRIPTION

Information	Value/units	Used by	The value depends on the following sensor input, signal or function
Acoustic warning	Acoustic information	SID	SID uses the information to activate the type of sound requested from the main unit.
Text Message	Text information	SID	SID uses the information to display the settings of the source currently in use.
Diagnostics communication	-	DICE	For further information on the bus, see BUS AND DIAGNOSTICS COMMUNICATION .