2005 Mercury Mountaineer Owner's Manuals

Units (English/Metric)
1. Select this function from the
SETUP menu for the current units
to be displayed.
2. Press the RESET control to
change from English to Metric.
Autolocks
1. Select this function from the
SETUP control for the current
display mode.
2. Press the RESET control to turn
the autolocks ON or OFF.
Easy entry/exit (if equipped)
1. Select this function from the
SETUP control for the current
display mode.
2. Press the RESET control to turn
the easy entry/exit feature ON or
OFF. For more information refer toMemory Seat/Adjustable
Pedals/Easy entry/exit featurein theSeating and Safety Restraints
chapter.
Autolamp delay
1. Select this function from the
SETUP control for the current
display mode.
2. Press the RESET control to select
the autolamp delay time.
Oil Change
1. Select this function from the
SETUP control for the current
display mode.
2. Press the RESET control to reset
oil change.
2005 Mountaineer(mnt)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
81

Language
1. Select this function from the
SETUP menu for the current
language to be displayed.
2. Pressing the RESET control
cycles the message center through
each of the language choices.
3. Press and hold the RESET
control to set the language choice.
AWD lock (vehicles equipped with AdvanceTracwith RSC only)
Select this function from the SETUP menu to display the AWD locked
function.
1. Press the SETUP control for the
current display mode.
2. Press the RESET control within 4
seconds to turn the AWD system to
the LOCKED mode.
System warnings
System warnings alert you to possible problems or malfunctions in your
vehicle’s operating systems.
In the event of a multiple warning situation, the message center will
cycle the display to show all warnings by displaying each one for several
seconds.
The message center will display the last selected feature if there are no
more warning messages. This allows you to use the full functionality of
the message center after you acknowledge the warning by pressing the
RESET control and clearing the warning message.
2005 Mountaineer(mnt)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
82

Warning messages that have been reset are divided into three categories:
•They will reappear on the display every minute from the reset.
•They will reappear on the display ten minutes from the reset.
•They will not reappear until an ignition OFF-ON cycle has been
completed.
This acts as a reminder that these warning conditions still exist within
the vehicle.
Warning display Status
Temporary AWD lock (vehicles
equipped with AdvanceTrac

only)Displays for 4 seconds
AWD lock OFF AWD auto ON
(vehicles equipped with
AdvanceTrac
only)
Check engine temperature Warning returns after 10 minutes
Transmission overheated
Check transmission
Low fuel level
Check fuel cap
Check charging system
Low brake fluid level
Low oil pressure
Warning-tire very low (if
equipped)
ETC-engine failsafe mode
AWD disabled lock (vehicles
equipped with AdvanceTrac

with RSC only)
2005 Mountaineer(mnt)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
83

Warning display Status
Check tire pressure (if
equipped)Warning returns after the ignition key
is turned from OFF to ON.
Tire pressure monitor fault (if
equipped)
Tire pressure sensor fault (if
equipped)
Check AdvanceTrac
(if
equipped)
Check AWD (vehicles equipped
with AdvanceTrac
with RSC
only)
AWD Disabled (vehicles
equipped with AdvanceTrac

with RSC only)
Low washer fluid level
Door ajar
Change oil soon
Oil change required
TEMPORARY AWD LOCK (vehicles equipped with AdvanceTrac

with RSC only).Displayed when the AWD system automatically locks
to prevent damage from overheating.
AWD LOCK OFF and AWD AUTO ON (vehicles equipped with
AdvanceTrac
with RSC only).Displayed when the AWD system is
completely cooled down from being overheated.
CHECK ENGINE TEMPERATURE.Displayed when the engine
coolant is overheating. Stop the vehicle as soon as safely possible, turn
off the engine and let it cool. Check the coolant and coolant level. Refer
toEngine coolantin theMaintenance and Specificationschapter. If
the warning stays on or continues to come on, contact your dealer as
soon as possible.
TRANSMISSION OVERHEATED.Indicates the transmission is
overheating. This warning may appear when towing heavy loads or when
driving in a low gear at a high speed for an extended period of time.
Stop the vehicle as soon as safely possible, turn off the engine and let it
cool. Refer toTransmission fluidin theMaintenance and
Specificationschapter. If the warning stays on or continues to come on,
contact your dealer for transmission service as soon as possible.
2005 Mountaineer(mnt)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
84

CHECK TRANSMISSION.Indicates the transmission is not operating
properly. If this warning stays on, contact your dealer as soon as
possible.
AWD DISABLED LOCK (vehicles equipped with AdvanceTrac

with RSC only).Displayed when the AWD system begins to overheat
placing itself in the autolock mode. If the warning stays on or continues
to come on, contact your dealer as soon as safely possible.
LOW FUEL LEVEL.Displayed as an early reminder of a low fuel
condition.
CHECK FUEL CAP.Displayed when the fuel filler cap is not properly
installed. Check the fuel filler cap for proper installation. Refer toFuel
filler capin theMaintenance and Specificationschapter.
ETC-ENGINE FAILSAFE MODE.Displayed when the engine has
defaulted to a “limp-home” operation. If the warning stays on or
continues to come on, contact your dealer as soon as possible.
CHECK CHARGING SYSTEM.Displayed when the electrical system is
not maintaining proper voltage. If you are operating electrical accessories
when the engine is idling at a low speed, turn off as many of the
electrical loads as possible. If the warning stays on or comes on when the
engine is operating at normal speeds, have the electrical system checked
as soon as possible.
LOW BRAKE FLUID LEVEL.Indicates the brake fluid level is low and
the brake system should be inspected immediately. Refer toBrake fluid
reservoirin theMaintenance and Specificationschapter.
LOW OIL PRESSURE.Displayed when the engine oil level is low. If
this warning message is displayed, check the level of the engine oil.
Refer toEngine oilin theMaintenance and Specificationschapter for
information about adding engine oil.
WARNING-TIRE VERY LOW (if equipped).Displayed when one or
more road tires on your vehicle have very low pressure. When this
warning message is displayed, a warning chime will sound reminding you
to stop the vehicle as soon as safely possible to check your tires for
proper air pressure, leaks and damage. Refer toInspecting and
Inflating Your Tiresin theTires, Wheels and Loadingchapter.
CHECK TIRE PRESSURE (if equipped).Displayed when one or more
tires on your vehicle have low tire pressure. Refer toInspecting and
Inflating Your Tiresin theTires, Wheels and Loadingchapter.
TIRE PRESSURE MONITOR FAULT (if equipped).Displayed when
the Tire Pressure Monitoring System is malfunctioning. If the warning
stays on or continues to come on, have the system inspected by your
servicing dealership.
2005 Mountaineer(mnt)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
85

TIRE PRESSURE SENSOR FAULT (if equipped).Displayed when a
tire pressure sensor is malfunctioning, or your spare tire is in use. For
more information on how the system operates under these conditions,
refer toUnderstanding Your Tire Pressure Monitoring Systemin the
Tires, Wheels and Loadingchapter. If the warning stays on or
continues to come on, have the system inspected by your servicing
dealership.
LOW WASHER FLUID LEVEL.Indicates the washer fluid reservoir is
less than one quarter full. Check the washer fluid level. Refer to
Windshield washer fluidin theMaintenance and Specifications
chapter.
CHECK ADVANCETRAC
(if equipped).Displayed when the
AdvanceTrac
with RSC system is not operating properly. If this message
is displayed on the message center the AdvanceTrac
with RSC system
will be partially operable. If this warning stays on while the engine is
running, contact your dealer for service as soon as possible. For further
information, refer toAdvanceTrac
stability enhancement systemin
theDrivingchapter.
AWD DISABLED (vehicles equipped with AdvanceTrac
with RSC
only).Displayed for 4 seconds then SEE OWNER’S MANUAL will
display indicating that the AWD system is not operating properly. For
further information, refer toDisabling AWDin theDrivingchapter. See
your dealer as soon as possible
CHECK AWD (vehicles equipped with AdvanceTrac
with RSC
only).Displayed when the AWD system is not operating properly. If the
warning stays on or continues to come on, contact your dealer
immediately.
DOOR AJAR.Displayed when a door or liftgate is not completely
closed.
CHANGE OIL SOON/OIL CHANGE REQUIRED.Displayed when the
engine oil life remaining is 5 percent or less. When oil life left is between
5% and 0%, the CHANGE OIL SOON message will be displayed. When oil
life left reaches 0%, the OIL CHANGE REQUIRED message will be
displayed.
An oil change is required whenever indicated by the message center and
according to the recommended maintenance schedule. USE ONLY
RECOMMENDED ENGINE OILS.
2005 Mountaineer(mnt)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
86

To reset the oil monitoring system to 100% after each oil change
[approximately 5,000 miles (8,000 km) or 180 days] perform the
following:
1. Press and release the SETUP
control to display “PRESS RESET
AT OIL CHANGE”.
2. Press and release the RESET
control to display “HOLD RESET
TO CONFIRM”.
3. Press and hold the RESET
control for 2 seconds and release.
Oil life is set to 100% and “OIL LIFE
SET TO 100%” is displayed.
After you have done steps 1 through 3,you can reset the oil
monitoring system to your personalized oil life %:
4. Press RESET and SETUP
controls at the same time for 2
seconds, to activate a service mode
which will display “OIL LIFE XX%
RESET TO ALTER”.
5. Press RESET to decrement oil life by 10% down to 30% and back to
100%.
6. With your personalized OIL LIFE XX% displayed, press SETUP to
continue the system check.
DATA ERR.These messages indicate improper operation of the vehicle
network communication between electronic modules.
•Fuel computer
•Oil life
•Charging system
•Door sensor
•Washer fluid
•Brake fluid
2005 Mountaineer(mnt)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
87

•Compass
•Outside temperature
•Engine sensor
Contact your dealer as soon as possible if these messages occur on a
regular basis.
POSITIVE RETENTION FLOOR MAT
Position the driver floor mat so that
the eyelet is over the pointed end of
the retention post and rotate
forward to lock in. Make sure that
the mat does not interfere with the
operation of the accelerator or the
brake pedal. To remove the floor
mat, reverse the installation
procedure.
REAR LIFTGATE
The liftgate area is only intended for cargo, not passengers. You can open
and close the liftgate from outside the vehicle. It cannot be opened from
inside the cargo area.
•To open the liftgate window,
press the control on the remote
entry transmitter or, with the
liftgate unlocked, push the
control button on theright side
under the license plate lamp
shield.
•To open the liftgate, unlock the
liftgate (with the power door
locks, the remote entry or the
keyless entry pad) and pull the
middlelever under the license plate lamp shield.
To lock the liftgate and the liftgate window, use the power door locks or
press the door lock switch on the left side of the cargo area. To manually
lock or unlock the liftgate, move the button located below the window
down or up.
2005 Mountaineer(mnt)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
88