General Information
The multifunction steering wheel makes it possible to control some functions of the communications system and the cruise control from the steering wheel.

Troubleshooting
The control module in steering wheel communicates with steering column electronic systems control module. Data commands are processed there once more for further communication.The multifunction steering wheel is equipped with OBD.
Use the Vehicle Diagnostic Tester under "Guided Fault Finding".The multifunction steering wheel is made up of the following components:

Note
Control Module in Steering Wheel, Removing and Installing
Removal and installation is identical for the right and left button block.
Removing


Installing
Install in reverse order of removal.
Steering Column Electronic Systems Control Module, Removing and Installing
Removing

Installing
Install in reverse order of removal.
Multifunction Steering Wheel, Adapting Components
Special tools and workshop equipment required
Components, Multi-Function Steering Wheel, Adapting
Select "Guided Functions" or "Guided Fault Finding" on the Vehicle Diagnostic Tester.
After all control modules have been checked:
Multifunction Steering Wheel from 05/2010Volkswagen Tiguan Service and Repair Manual > Refrigerant Circuit, Flushing (Cleaning) with Refrigerant R134a: Flushing Circuit Block Diagrams
Note
The arrows in the following illustrations show the direction of
refrigerant flow while flushing. During flushing, refrigerant flows in the
opposite direction than during A/C system operation, therefore the high
pressure side of A/C service station is connected to A/C compressor at low
...