I could be wrong without looking at the manual, but I'm pretty sure it's just a ducted line from the front. If I want more airflow back there I usually just close 2 of the 4 front dash vents. Since I rarely have back seat passengers I usually keep the rear vent closed.
I could be wrong without looking at the manual, but I'm pretty sure it's just a ducted line from the front. If I want more airflow back there I usually just close 2 of the 4 front dash vents. Since I rarely have back seat passengers I usually keep the rear vent closed.