Other information:
NOTE:
Make sure the test is performed with the engine at
60.8
°F (
16
°C) or above.
Make sure the battery is fully charged. For additional information, refer to: Specifications (414-01 Battery, Mounting and Cables - 6.7L Power Stroke Diesel)
...
Overview
The EATC system maintains the selected vehicle interior temperature
by heating and/or cooling the air depending on the HVAC control panel
selection.
The temperature control setting is the desired cabin air temperature.
The blower motor control override buttons vary the blower motor speed...