The button is integrated in the steering wheel for easier
operation of infotainment, telephone and the navigation system.
On Tiptronic, rocker switches are also installed on the left and
right.
The Multifunction Steering Wheel Control Module -J453- (in
the right button) reads out the information
Overview - Mobile Online Services
The mobile online service (1W3) consist of the eCall,
connected Gateway, and the Data Bus on Board Diagnostic
Interface -J533-.
The Data Bus on Board Diagnostic Interface -J533- is
installed under the rear bench seat for crash safety. The Data
Bus on Board Diagn