It basically said to spray it off with the MAS cleaner. ( You can use the other stuff also but it cautions you about melting the plastic parts) It also tell about the natural cycle they have to clean themselves. They have a regular self cleaning cycle where the wire element in them heats up to burn off the crud. They say this happens after you turn off the car every so often.
2005 AWD What's your story?It's a wonderful thingMomma always said "Help that is not helpful, is no help at all"