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Operating tips – Dodge 2011 Challenger - Owner Manual User Manual

Page 246

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• Most of the time, when in Automatic Operation, you

can temporarily put the system into Recirculation

Mode by pressing the Recirculation button. However,

under certain conditions, while in Automatic Mode,

the system is blowing air out the defrost vents. When

these conditions are present, and the Recirculation

button is pressed, the indicator will flash and then turn

off. This tells you that you are unable to go into

Recirculation Mode at this time. If you would like the

system to go into Recirculation Mode, you must first

move the Mode knob to Panel, Panel/Floor and then

press the Recirculation button. This feature reduces the

possibility of window fogging.

Operating Tips

NOTE:

Refer to the chart at the end of this section for

suggested control settings for various weather condi-

tions.

Summer Operation
The engine cooling system in air-conditioned vehicles

must be protected with a high-quality antifreeze coolant

to provide proper corrosion protection and to protect

against engine overheating. A solution of 50% ethylene

glycol antifreeze coolant and 50% water is recommended.

Refer to “Maintenance Procedures” in “Maintaining Your

Vehicle” 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
Anytime 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 the

fresh air and high blower settings. This will ensure

adequate system lubrication to minimize the possibility

of compressor damage when the system is started again.

244 UNDERSTANDING YOUR INSTRUMENT PANEL