Note:  You can switch temperature units between Fahrenheit and Celsius. See your SYNC information.
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AA/C: Press to switch the air conditioning on or off. Use A/C with recirculated air to improve cooling performance and efficiency.
Note: In certain conditions (for example, maximum defrost), the air conditioning compressor may continue to operate even though you switch off the air conditioning.
BMAX A/C: Press for maximum cooling. The driver and passenger settings set to LO, recirculated air flows through the instrument panel vents, air conditioning turns on and the fan adjusts to the highest speed.
CRecirculated air: Press to switch between outside air and recirculated air. The air currently in the passenger compartment recirculates. This may reduce the time needed to cool the interior (when used with A/C) and reduce unwanted odors from entering your vehicle.
Note: Recirculated air may turn off (or prevent you from switching on) in all air flow modes except MAX A/C to reduce the risk of fogging or to improve cooling efficiency.
DDUAL: Press to switch on temperature control for the passenger side of the vehicle. When dual zone is off, passenger temperature settings remain the same as the driver settings.
EHeated seats: Press to switch the heated seats on and off. See Heated Seats. 
FPassenger temperature control: Adjusts the temperature setting on the passenger side.
GClimate controlled seats: Press to switch the climate controlled seats on and off.
HFan speed control: Adjusts the volume of air circulated in the vehicle.
IPower: Press to switch the system on and off. When the system is off, it prevents outside air from entering the vehicle.
JDriver temperature control: Adjusts the temperature setting on the driver side. This control also adjusts the passenger side temperature when you switch off dual zone mode.
KHeated rear window: Press to switch the heated rear window on and off. See Heated Windows and Mirrors. 
LDefrost: Press to distribute air through the windshield air vents and de-mister. Air distribution to the instrument panel and footwell vents turns off. You can also use this setting to defog and clear the windshield of a thin covering of ice.
MMAX Defrost: Press to switch on defrost. The driver and passenger settings set to HI, air flows through the windshield vents, and the fan adjusts to the highest speed. You can also use this setting to defog and clear the windshield of a thin covering of ice. The heated rear window also turns on when you select maximum defrost.
Note: To prevent window fogging, you cannot select recirculated air when maximum defrost is on.
NAUTO: Press to switch on automatic operation. Adjust to select the desired temperature. Fan speed, air distribution, air conditioning operation, and outside or recirculated air adjust to heat or cool the vehicle to maintain the desired temperature. You can also switch off dual zone mode by pressing and holding for more than two seconds.