Automatic Temperature Control (Eatc) System - Mercury 2009 Grand Marquis Owner's Manual

Climate Controls
the MAX A/C position reduce blower fan speed from the highest setting
and put the vehicle's transmission into the park gear position to continue
to receive cool air from your A/C system.
To aid in side window defogging/demisting in cold weather:
1. Select NORM A/C.
2. Adjust the temperature control to maintain comfort.
3. Set the fan speed to HI.
4. Direct the outer instrument panel vents towards the side windows.
To increase airflow to the outer instrument panel vents, close the vents
located in the middle of the instrument panel.
ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC)
SYSTEM (IF EQUIPPED)
10 11 1 2 3
HI
OFF
F
AUTO
OUTSIDE TEMP AUTOMATIC
MAX A/C NORM A/C VENT FLOOR FLR • DEF DEF
LO
9 8 7 6 5 4
1. OFF: Outside air is shut out and
the fan will not operate.
2. AUTOMATIC: Press
AUTOMATIC and select the desired
temperature using the temperature
controls. The system will automatically determine fan speed, airflow
location, and outside or recirculated air to heat or cool the vehicle to the
selected temperature. The fan speed will remain automatic unless the
thumbwheel is turned all the way to LO.
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2009 Grand Marquis (grn)
Owners Guide (own2002), 2nd Printing
USA (fus)