Some DIY remedies that may work for you:
While trim restorers or trim detailers are available and designed specifically to improve the appearance of the trim, it is best to avoid these products as they will not effectively remove the wax. Instead, it will give the illusion of fixing this problem by restoring the appearance and temporarily covering the wax. But after a few days, you may notice that the trim restorer will wear off, and the wax will become visible again.
To prevent getting wax on the plastic trim again in the future, try using painter’s tape to tape off areas you want to protect.