Rear floor vent control?

[action-ant]

Hey guys,

Just picked up our CT4, still playing around with all the menu screens, and couldn't figure out how to control the air to the rear passengers from the front center stack? When the AC or fans are running, I feel airflow from the front vents but nothing from the rear floor vents. Any pointers to where I should look?

Thanks for any help,

Ant

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[tbinmd]

It's my understanding you need to have the 4 zone system, that includes a rear touchscreen that allows you to control things.

this is the description for the stock controls
"Advanced Climate Control (2-zone) with separate temperature settings and air volume control for driver and front passenger, extended footwell temperature control, automatic air recirculation mode including air quality sensor as well as comfortable control of the airflow via PCM"