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68 GETTING TO KNOW YOUR VEHICLE
Automatic Temperature Control (ATC)
Automatic Operation
1. Push the AUTO button on the front Auto-
matic Temperature Control (ATC) Panel
and the word “AUTO” will illuminate in the
front ATC display, along with two tempera-
tures for the driver and front passenger.
The system will then automatically regulate
the amount of airflow.
2. Adjust the temperature you would like the
system to maintain, by adjusting the driver,
passenger, and rear temperatures. Once
the desired temperature is displayed, the
system will achieve and automatically main-
tain 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.
NOTE:
It is not necessary to move the temperature
settings. The system automatically adjusts the
temperature, mode and fan speed to provide
comfort as quickly as possible.
To provide you with maximum comfort in the
automatic mode, during cold start-ups, the
blower fan will remain on low until the engine
warms up. The fan will engage immediately if
the Defrost mode is selected, or by changing the
front blower knob setting.
Manual Operation Override
This system offers a full complement of manual
override features. The AUTO symbol in the front
ATC display will be turned off when the system
is being used in the manual mode.
NOTE:
The system will not automatically sense the
presence of fog, mist or ice on the windshield.
Defrost mode must be manually selected to
clear the windshield and side glass.
Operating Tips
NOTE:
Refer to the chart at the end of this section for
suggested control settings for various weather
conditions.
Summer Operation
The engine cooling system must be protected
with a high-quality antifreeze coolant to provide
proper corrosion protection and to protect
against engine overheating. A solution of 50%
OAT (Organic Additive Technology) coolant that
meets the requirements of FCA Material Stan-
dard MS.90032 and 50% water is recom-
mended. Refer to “Fluids and Lubricants” in
“Technical Specifications” for proper coolant
selection.
Winter Operation
Use of the Air Recirculation mode during Winter
months is not recommended because it may
cause window fogging.
Vacation/Storage
Before you store your vehicle, or keep it out of
service (i.e., vacation) for two weeks or more,
run the Air Conditioning (A/C) system at idle for
about five minutes, in fresh air with the blower
setting on high. This will ensure adequate
system lubrication to minimize the possibility of
compressor damage when the system is started
again.
20_WD_OM_EN_USC_t.book Page 68
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