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Automatic Temperature Control (ATC)
Automatic Operation
1. Push the AUTO button on the faceplate.
2. Next, adjust the temperature you would like
the system to maintain by adjusting the tem-
perature control buttons. Once the desired
temperature is displayed, the system achieves
and automatically maintains that comfort level.
3.
When the system is set up for your comfort
level, it is not necessary to change the settings.
You 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 fea ture.
T
o provide you with maximum comfort in the
Automatic mode during cold start-ups, the blower
fan remains on low until t he engine warms up.
The blower increases in speed and transition into
Auto mode.
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
Winter Operation
To ensure the best possible heater and defroster
performance, make sure the engine cooling sys-
tem is functioning properly and the proper
amount, type, and concentration of coolant is
used. 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 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. If you are
leaving your vehicle dormant for more than four
weeks, disconnect the negative cable from the
battery. Refer to “Jump Starting Procedures” in “In
Case Of Emergency” for further information.
Window Fogging
Vehicle windows tend to fog on the inside in mild,
rainy, and/or humid weather. To clear the win-
dows, select Defrost or Mix mode and increase
the front blower speed. Do not use the Recircu-
lation mode without A/C for long periods, as
fogging may occur.
CAUTION!
Failure to follow these cautions can cause
damage to the heating elements:
• Use care when washing the inside of the
rear window. Do not use abrasive window
GETTING TO KNOW YOUR VEHICLE
40
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