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so I know there is a drive to clean exhuast filter and a cleaning exhuast filter that will display if you drive when prompted to drive to clean exhuast filter...and I know that if while driving and sense the engine is in regen mode (with out prompting you to drive) you can hit setup/reset and the menu will scroll thru then after miles to empty it will indicate cleaning exhaust filter.
today, first time in 3 years...I get a new message.....drive cleaning complete. never got that one before.
googled it, and found a pdf that explains all the messages...including the drive clening complete one.