2012 Acura MDX Owner's Manual - Page 545

Wiper Blades WIPER ARM BLADE REINFORCEMENT To replace the rear wiper blade: 1. Raise the wiper arm off the rear window. 2. Slide the blade out of the wiper arm. 3. Examine the new wiper blades. If they have no plastic or metal reinforcement along the back edge, remove the metal reinforcement strips from the old wiper blade, and install them in the slots along the edge of the new blade. 538