User Manual - Page 93

For 2018 CHASSIS CAB.

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Press and release to toggle between MAX A/C and the
prior settings. The button illuminates when MAX A/C is
on.
In MAX A/C, the blower level and mode position can be
adjusted to desired user settings. Pressing other settings
will cause the MAX A/C operation to switch to the selected
setting and MAX A/C to exit.
Recirculation
In cold weather, use of Recirculation mode may lead to
excessive window fogging. The Recirculation feature may
be unavailable (button on the touchscreen greyed out) if
conditions exist that could create fogging on the inside of
the windshield.
On systems with Manual Climate Controls, the Recircula-
tion mode is not allowed in Defrost mode to improve
window clearing operation. Recirculation is disabled auto-
matically if this mode is selected. Attempting to use
Recirculation while in this mode causes the LED in the
control button to blink and then turns off.
Automatic Temperature Control (ATC) If
Equipped
Automatic Operation
1. Push the AUTO button on the faceplate, or the AUTO
button on the touchscreen on the Automatic Tempera-
ture Control (ATC) Panel.
2. Next, adjust the temperature you would like the system
to maintain by adjusting the driver and passenger
temperature control buttons. Once the desired tempera-
ture is displayed, the system will achieve and automati-
cally maintain that comfort level.
3. When the system is set up for your comfort level, it is
not necessary to change the settings. You will experience
the greatest efficiency by simply allowing the system to
function automatically.
3
GETTING TO KNOW YOUR VEHICLE 91
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