When the plastic on an armrest begins to crumble or has been physically damaged, simple cleaning isn't enough. You need to structurally rebuild the missing material and resurface the part. 1. Assessment and Disassembly
: Most armrests are held by hex screws or clips under the trim. PlasticArmrestRebuildEaten.7z
If large chunks of plastic are missing, you must create a new "skeleton" for the repair: When the plastic on an armrest begins to
