2009 Mercury Mariner Hybrid engine oil

Maintenance and Specifications 270
Engine compartment 272
Engine oil 275
Battery 278
Engine Coolant and Motor/Electronics Coolant 280
Fuel information 286
Air filter(s) 301
Part numbers 303
Maintenance product specifications and capacities 304
Engine data 307
Accessories 310
Scheduled Maintenance Guide 312
Normal scheduled maintenance and log 317
Special operating conditions and log 322
Index 328
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Table of Contents
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2009 Mariner Hybrid(mhv)
Owners Guide, 1st Printing
USA(fus)

Do not add friction modifier compounds or special break-in oils since
these additives may prevent piston ring seating. SeeEngine oilin the
Maintenance and Specificationschapter for more information on oil
usage.
HYBRID OPERATION
The Hybrid is a whole new kind of SUV that combines electric and
gasoline propulsion without compromise, to provide breakthrough
performance and efficiency. It requires no special fuels and never has to
be plugged in. Familiarizing yourself with these unique characteristics
will help ensure optimal performance from your new vehicle.
Normal vehicle operation
Starting:Turn the ignition key to the START position while your vehicle
is in Park (P). The gas engine will turn on,accompanied by the green
“ready indicator” light. Your engine may shut off shortly after starting,
depending on temperature and battery charge level. This is a natural
part of your Hybrid’s fuel-saving features. The “ready indicator” light will
stay on, and you do not need to restart the vehicle.
Note:You may notice higher engine speeds upon start-up. This
temporary condition is normal and necessary to heat up the cabin for
occupant comfort.
Driving:The gas engine automatically starts and stops to provide power
when it’s needed and to save fuel when it’s not. While coasting at low
speeds, coming to a stop, or standing, the gas engine normally shuts
down and the vehicle operates in electric-only mode. Conditions that
may cause the engine to start up or remain running include:
•Driving request for moderate to rapid acceleration
•Vehicle speed above 40 mph (65 kph)
•Ascending a hill
•ECON mode not selected (while Climate Control is ON)
•Selection of climate control defrost mode or defrost/floor mode
•Charge level of high voltage battery is low
•Very high or low outside temperature (to provide system
cooling/heating)
Stopping:The gas engine may shut off to conserve fuel as you come to
a stop. Restarting the vehicle is not required. Simply step on the
accelerator when you are ready to drive.
2009 Mariner Hybrid(mhv)
Owners Guide, 1st Printing
USA(fus)
Introduction
6

Question Answer
How far can I go in Electric Drive
if I run out of gas?Running out of gas is not
recommended. However, you may
be able to go about one mile,
driving at 30 mph (48 km/h), if the
battery has a normal state of
charge.
What is the engine oil change
service interval?The engine oil should be changed
every 10,000 miles (16,000 km)
under normal operating conditions.
See theScheduled maintenance
guidechapter.
Can I put E10 or E85 in my
vehicle, and how will it affect my
fuel economy?Your hybrid vehicle can use E10
(10% ethanol, 90% gasoline) fuel,
but you may notice slightly
reduced fuel economy because
ethanol contains less energy per
gallon than gasoline. Your hybrid
vehicle is not designed to use E85
(85% ethanol).
How long will my high voltage
battery last? Does it need
maintenance?The high voltage battery system is
designed to last the life of the
vehicle and requires no
maintenance.
Can you charge the battery with a
plug into an A/C outlet?There are no provisions for
charging the high voltage battery
from a power supply external to
the vehicle.
2009 Mariner Hybrid(mhv)
Owners Guide, 1st Printing
USA(fus)
Introduction
12

Vehicle Symbol Glossary
Power Windows
Front/Rear
Power Window Lockout
Child Safety Door
Lock/UnlockInterior Luggage
Compartment Release
Panic AlarmEngine Oil
Engine CoolantEngine Coolant
Temperature
Do Not Open When HotBattery
Avoid Smoking, Flames,
or SparksBattery Acid
Explosive GasFan Warning
Power Steering FluidMaintain Correct Fluid
LevelMAX
MIN
Service Engine SoonEngine Air Filter
Passenger Compartment
Air FilterJack
Check Fuel CapLow Tire Pressure
Warning
2009 Mariner Hybrid(mhv)
Owners Guide, 1st Printing
USA(fus)
Introduction
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Safety belt:Reminds you to fasten
your safety belt. A Belt-Minder
chime will also sound to remind you
to fasten your safety belt. Refer to
theSeating and Safety Restraints
chapter to activate/deactivate the Belt-Minderchime feature.
Master vehicle electrical hazard
warning lamp:Indicates Hybrid
component fault/failure that will
cause the vehicle to shutdown or
fail to start.
Note: If the vehicle is still running, the vehicle may soon
shutdown without further warning and should be stopped safely.
If this lamp is lit, stop the vehicle, shift to P (Park), turn the key to the
Off position, and attempt to restart the vehicle. If the fault remains, the
vehicle may require refueling, jump starting, resetting of the shut-off
switches, or service. For information regardingLow voltage
[underhood] battery onlyandFuel pump/High voltage shut-off
switchesplease refer to theRoadside Emergencieschapter.
Ready indicator light:Illuminates
once the vehicle has successfully
started. Indicates the vehicle is
ready to drive even when you don’t
hear the engine running.
Charging system:Illuminates when
the 12V charging system is not
working properly.
Engine oil pressure:Illuminates
when the oil pressure falls below the
normal range, refer toEngine oilin
theMaintenance and
Specificationschapter.
Engine or motor electronic
coolant temperature:Illuminates
when the coolant temperature
exceeds the threshold. When the light is flashing or remains on, stop the
vehicle as soon as possible, switch off the engine and let cool. Refer to
Engine coolant and motor/electronics coolantin theMaintenance
and Specificationschapter.
2009 Mariner Hybrid(mhv)
Owners Guide, 1st Printing
USA(fus)
Instrument Cluster
20

System check
Selecting this function from the
SETUP menu causes the message
center to cycle through each of the
systems being monitored. For each
of the monitored systems, the
message center will indicate either
an OK message or a warning message for four seconds.
Pressing the RESET control cycles the message center through each of
the systems being monitored. If you don’t press any button, the system
will cycle itself.
The sequence of the system check report is as follows:
1. Oil life
2. Electric drive
3. Brake system
4. Liftgate and glass
5. DTE/Fuel level
Oil life
An oil change is required whenever indicated by the message center.
USE ONLY RECOMMENDED ENGINE OILS.
To reset the oil monitoring system to 100% after each oil change
(approximately 10,000 miles [16,000 km] or 12 months) perform the
following:
1. Press and release the SETUP
control to display “OIL LIFE =
XXX% HOLD RESET = NEW”.
2. Press and hold the RESET
control for two seconds and release.
Oil life is set to 100% and “OIL LIFE
SET TO 100%” is displayed.
3. While “OIL LIFE SET TO 100%”
is displayed, if a lower oil life start
value is desired, press and release the RESET control to reduce the start
value. Each press of the RESET control reduces the value by 10 %.
2009 Mariner Hybrid(mhv)
Owners Guide, 1st Printing
USA(fus)
Driver Controls
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Warnings Status
Driver door ajar Warning cannot be reset
Passenger door ajar
Rear left door ajar
Rear right door ajar
Stop safely now Warning returns after 10 minutes if
condition still exists
High engine temperature
High motor temperature
Park brake engaged
XXX miles (km) to E fuel level
low
Liftgate/Glass ajar Warning returns after the ignition key
is turned from off to on.
Check fuel fill inlet
Check brake system
Brake fluid level low
Regen brakes disabled
Low tire pressure
Tire pressure monitor fault
Tire pressure sensor fault
XX% oil life change soon
Oil change required
DRIVER DOOR AJAR— Displayed when the driver’s door is not
completely closed.
PASSENGER DOOR AJAR— Displayed when the passenger side door
is not completely closed.
REAR LEFT DOOR AJAR— Displayed when the rear left door is not
completely closed.
REAR RIGHT DOOR AJAR— Displayed when the rear right door is
not completely closed.
STOP SAFELY NOW— Displayed when the Master electrical hazard
warning lamp is illuminated indicating a Hybrid component failure. If this
warning occurs, the vehicle will soon shutdown without further warning,
stop the vehicle as soon as safely possible and contact your authorized
dealer as soon as possible.
2009 Mariner Hybrid(mhv)
Owners Guide, 1st Printing
USA(fus)
Driver Controls
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LOW TIRE PRESSURE— Displayed when one or more tires on your
vehicle have low tire pressure. Refer toInflating your tiresin theTires,
Wheels and Loadingchapter.
TIRE PRESSURE MONITOR FAULT— 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 authorized
dealer.
TIRE PRESSURE SENSOR FAULT— 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 to
Tire Pressure Monitoring System (TPMS)in theTires, Wheels and
Loadingchapter. If the warning stays on or continues to come on, have
the system inspected by your authorized dealer
OIL LIFE CHANGE SOON— Displayed when the engine oil life
remaining is 10% or less. When oil life left is between 10% and 0%, the
XX% OIL LIFE CHANGE SOON message will be displayed.
OIL CHANGE REQUIRED— Displayed when the oil life left reaches
0%, the OIL CHANGE REQUIRED message will be displayed.
LIFTGATE
•To open the liftgate window,
unlock the liftgate (with the
power door locks or the remote
entry) and push theright side
control button under the license
plate lamp shield.
•To open the liftgate, unlock the
liftgate (with the power door
locks or the remote entry) and
push themiddlecontrol button
under the license plate lamp
shield.
To lock the liftgate and the liftgate window, use the power door locks.
Do not open the liftgate or liftgate glass in a garage or other enclosed
area with a low ceiling. If the liftgate glass is raised and the liftgate is
also opened, both liftgate and glass could be damaged against a low
ceiling.
Do not leave the liftgate or liftgate glass open while driving. Doing so
could cause serious damage to the liftgate and its components as well as
allowing carbon monoxide to enter the vehicle.
2009 Mariner Hybrid(mhv)
Owners Guide, 1st Printing
USA(fus)
Driver Controls
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