One problem related to side/rear glass has been reported for the 2000 Acura TL. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Acura TL based on all problems reported for the 2000 TL.
No apparent external damage (apart from a tiny grain-of-sand size indentation that could be part of the crack itself. No recollection of being struck by a stone. Location of crack near air vent at driver lower side suggests temperature change: defroster or a/c may have caused the crack.