Cutlass V6-191 3.1L VIN M SFI (1998)
Air Duct: Description and Operation
A system of ducts and outlets directs air from the HVAC module to the passenger compartment. In cases of poor air output, defroster, heater, A/C and
vent ducts should be checked for obstructions or other objects which may have fallen into the ducts, air inlet, or cowl panel screen. Vehicles are
equipped with side window defoggers.