2012 Chrysler 300 Owner Manual - Page 343

UNDERSTANDING YOUR INSTRUMENT PANEL 341 To provide you with maximum comfort in the Automatic Operating Tips mode, during cold start-ups the blower fan will remain NOTE: Refer to the chart at the end of this section for on low until the engine warms up. The blower will suggested control settings for various weather condiincrease in speed and transition into Auto mode. tions. Manual Operation Summer Operation The system allows for manual selection of blower speed, The engine cooling system in air-conditioned vehicles air distribution mode, A/C status and recirculation conmust be protected with a high-quality antifreeze coolant trol. to provide proper corrosion protection and to protect The blower fan speed can be set to any fixed speed by against engine overheating. A solution of 50% ethylene adjusting the blower control. The fan will now operate at glycol antifreeze coolant and 50% water is recommended. a fixed speed until additional speeds are selected. This Refer to "Maintenance Procedures" in "Maintaining Your allows the front occupants to control the volume of air Vehicle" for proper coolant selection. circulated in the vehicle and cancel the Auto mode. Winter Operation The operator can also select the direction of the airflow Use of the air Recirculation mode during Winter months by selecting one of the available mode settings. A/C is not recommended because it may cause window operation and Recirculation control can also be manually fogging. selected in Manual operation. 4