Audi Workshop Service and Repair Manuals > A4 Mk1 > Vehicle electrics | Radio, Telephone and Navigation System - Self-diagnosis | Self diagnosis, V.A.G Inspection Service | Self-diagnosis of multi-function steering wheel

Radio, Telephone and Navigation System - Self-diagnosis

Self-diagnosis of multi-function steering wheel

Interrogating control unit version

→ Indicated on display:

Rapid data transfer HELP

Select function XX

→ Indicated on display:

Rapid data transfer Q

01 - Interrogate control unit version

→ Adjacent display appears after approx. 5 s:

4B0907487E Steering wheel electronics D04 ⇒

‒ Press ⇒ key.

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