Operating Tips - Dodge CHALLENGER 2017 Owner's Manual

The blower fan speed can be set to any fixed speed by
adjusting the blower control. The fan will now operate at
a fixed speed until additional speeds are selected. This
allows the front occupants to control the volume of air
circulated in the vehicle and cancel the Auto mode.
The operator can also select the direction of the airflow
by selecting one of the available mode settings. A/C
operation and Recirculation control can also be manually
selected in Manual operation.
NOTE: Each of these features operates independently
from each other. If any feature is controlled manually,
temperature control will continue to operate automati-
cally.

Operating Tips

NOTE: Refer to the chart at the end of this section for
suggested control settings for various weather condi-
tions.
UNDERSTANDING YOUR INSTRUMENT PANEL 323
Summer Operation
The engine cooling system must be protected with a
high-quality antifreeze coolant to provide proper corro-
sion protection and to protect against engine overheating.
A solution of 50% OAT (Organic Additive Technology)
coolant that meets the requirements of Chrysler Material
Standard MS.90032 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
Any time 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
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