Removing components
Remove the RTI/CD player if applicable.
Lift off the rear central electrical unit. Start by pressing up the catch (1).
Angle out the electrical unit and unhook it from the body mountings (2).
Push the electrical unit to one side so that it is free of the body mountings.
Release the clip for the cable harness holder.
Remove the soundproofing.
Clean the surfaces around the air evacuation hole.