Note: The removal and installation work is the same for both amplifiers.
Octavia
Remove the inner lining of the tailgate.
Combi
Remove the C-pillar top trim on the side where the antenna module is located.
All vehicles
Disconnect connector -arrow-.
Unscrew securing bolt -arrow- (2 Nm).
Move the antenna module - see arrow-and release from the support.
Installation in reverse order.