Ford 2010 05+ Mustang Owner's Manual page 53

Climate Controls
During extreme high ambient temperatures when idling stationary for
extended periods of time in gear, it is recommended to run the A/C in
the MAX A/C mode, adjust the blower fan speed to the lowest setting
and put the vehicle's transmission into the P (Park) position (automatic
transmission only) to continue to receive cool air from your A/C system.
For maximum cooling performance in MAX A/C mode:
1. Move temperature control to the coolest setting.
2. Set the fan to the highest speed initially, then adjust to maintain
comfort.
For maximum cooling performance in panel or panel/floor modes:
1. Move temperature control to the coolest setting.
2. Select A/C and (recirculated air) to provide colder airflow.
3. Set the fan to the highest speed initially, then adjust to maintain
comfort.
To aid in side window defogging/demisting in cold weather:
1. Select .
2. Select A/C.
3. Adjust the temperature control to maintain comfort.
4. Set the fan speed to the highest setting.
5. Direct the outer instrument panel vents towards the side windows.
6. To increase airflow to the outer instrument panel vents, close the
vents located in the middle of the instrument panel.
53
2010 05+ Mustang (197)
Owners Guide, 1st Printing
USA (fus)