91-5
Transport mode, deactivating
"Symphony" radio systems are disabled
(switched-off) when Transport Mode is activated.
This is necessary when vehicles are transported
over long distances or stored for longer periods
of time.
Audi A4 vehicles from 2002 are initially delivered
to dealerships with radio system in Transport
Mode, and must be deactivated before delivery
to the customer.
Use VAS 5051 Vehicle Diagnostic, Testing and
Information System in mode "Guided Fault
Finding".
Further information
Repair Manual, Maintenance, "Description of
Work"
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication
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