Operating Tips - Dodge Grand Caravan 2018 Owner's Manual

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.
NOTE:
• It is not necessary to move the temperature settings for
cold or hot vehicles. The system automatically adjusts
the temperature, mode, and blower speed to provide
comfort as quickly as possible.
• The temperature can be displayed in U.S. or Metric units
by selecting the US/Metric customer programmable
feature. 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
blower will increase in speed and transition into Auto
mode.
GETTING TO KNOW YOUR VEHICLE 85
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.

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. OAT
coolant (conforming to MS.90032) is recommended. Refer
to "Fluids And Lubricants" in "Technical Specifications"
for proper coolant selection.
Winter Operation
To ensure the best possible heater and defroster perfor-
mance, make sure the engine cooling system is functioning
properly and the proper amount, type, and concentration
of coolant is used. Refer to "Fluids And Lubricants" in
"Technical Specifications" for proper coolant selection. Use
3