814 Repair Manual — Volume I — Page 444

OPERATION N° D, 961-0 : Checking and repairing a heated rear window. c) Preparing the rear windows: d With the resistance no longer under voltage : Clean out the area treated with the powder, contained in the bottle marked "Bimspulver". Sprinkle this powder on a small piece of rag and rub. Then wipe clean with a second piece of rag.