Begin by pre-spraying the plastics with a diluted all purpose cleaner and allow to dwell.
Work the cleaner in with a soft bristled detailing brush.
Use a microfibre towel to buff off and dry any cleaner remaining on the plastics.
Using a durable designated exterior plastic dressing product apply to a microfibre or sponge applicator pad and work into the trim.
Apply evenly and ensure all areas are covered.
Use a microfibre towel to clean off any excess product from surrounding areas.