Information Taken from Haynes Owners Workshop Manual...
The High Level Stop Light is an LED unit if defective, the complete assembly must be renewed as described...
Undo the 3 Torx Securing Screws and remove the light from the tailgate...Disconnect the wiring plug as the unit is withdrawn...
On Models 07/2004 with a rear spoiler, It is necessary to partially remove the spoiler to provide sufficient clearance for removing the light...
Spoiler removal is best entrusted to a bodywork specialist.
Fit the New Light using the reversal of the removal procedure...