Control Assembly Description (C34)

C34:

C34
With the C34 rear HVAC system, you can control the heating, cooling and ventilation in the rear passenger/cargo area of your vehicle. The system is controlled by the front HVAC control assembly. a master rear fan control and rear passenger HVAC controls. Rear heat and ventilation can be controlled by the rear passengers whenever the vehicle is in operation. The rear A/C can only be operated when the front HVAC control is set to A/C.

REAR MASTER FAN CONTROL (1)
The knob (1) on the left side of the multifunction switch controls the rear fan speed from the driver's compartment. To turn the fan off, turn the knob to the OFF position. To allow the rear passengers to control the rear fan speed from the rear fan control, turn the knob to the R position.

Rear Master Fan Control (1):

REAR FAN CONTROL (1)
The knob (1) on the left side of the control assembly controls the fan speed. To turn the fan off, turn the knob to the OFF position. This control will only function if the rear master fan control is set to R.

REAR TEMPERATURE CONTROL (2)
The knob (2) on the right side of the control assembly changes the temperature of the air coming through the system. Turn this knob toward red area (clockwise) for warmer air. Turn it toward blue area (counterclockwise) for cooler air. For A/C operation, the front HVAC controls must be set to A/C in order for the rear to function.

For a description of the RPO Code(s) shown in this article/image, refer to the RPO Code List found at Vehicle/Application ID RPO Codes