Front anchorage point for belt buckle

Remove seat → Seat, assembly overview .

Fig 1: Removing Bolt For Belt Latch

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove bolt - 2 - from buckle - 1 -.

Tightening torque 24 Nm
For vehicles with "belt fastened" detector and belt buckle switch (only on drivers side, country-specific) remove wires from red connector housing.

Fig 2: Using Screwdriver To Pry Out Retaining Hooks On Red Connector Housing, Pressing Red Connector Housing Back & Cable Pin (2X) For Belt Fasten Sensor

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Use a screwdriver to pry out retaining hooks - 4 - of red connector housing - 1 -.
Push red connector housing - 1 - through toward the rear.
Wire pin - 6 - (2x) for "belt fastened" detector.

Fig 3: Identifying Red Connector Housing, Cable Retainer, Cut-Out & Cable

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Red connector housing - 1 - for belt buckle interrogation and main power supply.
Release cable retainer - 2 - in direction of arrow by prying out at cut-out - 3 -.

Illustration shows cable retainer - 2 - in released position.

Remove wires - 4 - for "belt fastened" detector from terminals 5 and 6; on drivers side (country-specific) also remove wires - 4 - for belt buckle switch from terminals 1 and 2.
Open cable ties.

Installing

Installation is in reverse order of removal.