Digital Sound System Control Module -J525-, REMOVING AND INSTALLING: Removing

-- Raise the front seat into its highest position and then move it all the way back.

-- Turn off the ignition and all electrical equipment.

-- Move the ignition key outside of the vehicle to prevent the ignition from switching on unintentionally.

-- Remove the expanding rivet -2-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Slide the cover -1- evenly in the direction of travel and remove it.

-- Release and disconnect the connector -2- at the control module -1-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Connect the protective cap -1- to the MOST-Bus connector -2-.

Fig 1: Fiber-Optic Cable Harness Connector And Protective Cap For Cable Connector VAS 6223/9

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Release and disconnect the connector -3- on the control module -1-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bolts -5-.

-- Pivot out the control module -1- toward the rear from the bracket.