Subaru S209 2019 Service Manual page 222

EXTERIOR/INTERIOR TRIM
• Heating a particular small area will cause deformation of the parts.
(a)
6) Install the rear quarter spoiler.
(1) Peel off 38.5 mm (1.52 in) of the backing sheet (b) on the rear quarter spoiler (a).
(b)
Rear Bumper
(a)
EI-34
AA-10073
AA-10074