Page 185 of 320
Important safety precautions
A computer system controls the engine’s idle revolutions per minute
(RPM). When the engine starts, the idle RPM runs higher than normal in
order to warm the engine. If the engine idle speed does not slow down
automatically, have the vehicle checked.
Before starting the vehicle:
1. Make sure all vehicle occupants have buckled their safety belts. For
more information on safety belts and their proper usage, refer to the
Seating and Safety Restraintschapter.
2. Make sure vehicle accessories are off.
•Make sure the parking brake is
set.
•Make sure the gearshift lever is in
P (Park).
2008 Mariner Hybrid(mhv)
Owners Guide (post-2002-fmt)
USA(fus)
Driving
185
Page 186 of 320

3. Turn the key to 3 (RUN) without
turning the key to 4 (START).
Some warning lights will briefly illuminate. SeeWarning lights and
chimesin theInstrument Clusterchapter for more information
regarding the warning lights.
Starting the vehicle
1. Turn the key to 3 (RUN) without
turning the key to 4 (START). If
there is difficulty in turning the key,
rotate the steering wheel until the
key turns freely. This condition may
occur when:
•the front wheels are turned
•a front wheel is against the curb
2. Turn the key to 4 (START), then
release the key. After the vehicle
has been started, a vehicle symbol
(called the Ready Indicator Light)
will appear in the instrument cluster
to indicate the vehicle is on. This
indicator will remain on while the vehicle is on, whether the engine is
running or not, to indicate the vehicle is capable of movement (using its
electric motor, engine, or both).
Note:After starting the vehicle, the engine may stop running to
conserve fuel after it is warmed-up and the high voltage battery is
sufficiently charged.
Note:If the vehicle does not start, put the gearshift lever into P (Park),
turn the ignition off, then attempt to start the vehicle again. If the
vehicle still does not start, it may require refueling, jump starting,
2008 Mariner Hybrid(mhv)
Owners Guide (post-2002-fmt)
USA(fus)
Driving
186
Page 187 of 320

resetting of the fuel pump/high voltage shut-off switches or service. For
information on jump starting the vehicle and resetting the fuel
pump/high voltage shut-off switches, refer to theJump starting your
vehicle (low voltage [underhood] battery only)section, theJump
starting the high voltage batterysection, and theFuel pump/High
voltage shut-off switchessection found in theRoadside Emergencies
chapter.
Guarding against exhaust fumes
Carbon monoxide is present in exhaust fumes. Take precautions to avoid
its dangerous effects.
If you smell exhaust fumes inside your vehicle, have your dealer
inspect your vehicle immediately. Do not drive if you smell
exhaust fumes.
Important ventilating information
If the engine is idling while the vehicle is stopped for a long period of
time, open the windows at least one inch (2.5 cm) or adjust the heating
or air conditioning to bring in fresh air.
ENGINE BLOCK/HIGH VOLTAGE BATTERY HEATER
(IF EQUIPPED)
An engine block/high voltage battery heater warms the engine coolant
and high voltage battery cells which aids in starting, vehicle performance
and heater/defroster performance in cold weather. Use of an engine
block/high voltage battery heater is strongly recommended if you live in
a region where temperatures reach -10°F (-23°C) or below. For best
results, plug the heater in at least three hours before starting the vehicle.
The heater can be plugged in the night before starting the vehicle.
To reduce the risk of electrical shock, do not use your heater
with ungrounded electrical systems or two-pronged (cheater)
adapters.
BRAKES
Occasional brake noise is normal. If a metal-to-metal, continuous grinding
or continuous squeal sound is present, the brake linings may be worn-out
and should be inspected by an authorized dealer. If the vehicle has
continuous vibration or shudder in the steering wheel while braking, the
vehicle should be inspected by an authorized dealer.
2008 Mariner Hybrid(mhv)
Owners Guide (post-2002-fmt)
USA(fus)
Driving
187
Page 188 of 320

Refer toBrake system warning
lightin theInstrument Cluster
chapter for information on the brake
system warning light.
Under normal operating conditions, brake dust may accumulate on the
wheels. Some brake dust is inevitable as brakes wear and does not
contribute to brake noise. The use of modern friction materials with
emphasis on improved performance and environmental considerations
can lead to more dust than in the past. Brake dust can be cleaned by
weekly washing with soapy water and a soft sponge. Heavier deposits can
be removed with Motorcraft Wheel and Tire Cleaner (ZC-37–A).
Four-wheel anti-lock brake system (ABS)
Your vehicle is equipped with an Anti-lock Braking System (ABS). This
system helps you maintain steering control during emergency stops by
keeping the brakes from locking. The hydraulic brake system used for
regenerative braking is different from other vehicles. The noise from the
ABS pump motor and the brake pedal pulsation are much less than on
vehicles with conventional ABS. Noise and pedal pulsation during ABS
may not be noticed.
The sliding car symbol in the
instrument cluster will be
illuminated during ABS braking.
The hydraulic brake system used for regenerative braking will charge its
hydraulic system at the beginning of a trip and discharge the system at
the end of each trip. You may notice a pumping sound when you enter
the vehicle or a venting sound a few minutes after parking the vehicle.
Using ABS
When hard braking is required, apply continuous force on the brake
pedal; do not pump the brake pedal since this will reduce the
effectiveness of the ABS and will increase your vehicle’s stopping
distance. The ABS will be activated immediately, allowing you to retain
steering control during hard braking and on slippery surfaces. However,
the ABS does not decrease stopping distance.P!
BRAKE
2008 Mariner Hybrid(mhv)
Owners Guide (post-2002-fmt)
USA(fus)
Driving
188
Page 189 of 320

ABS warning lamp
The ABS lamp in the instrument
cluster momentarily illuminates
when the ignition is turned on. If
the light does not illuminate during
start up, remains on or flashes, the
ABS may be disabled and may need to be serviced.
Even when the ABS is disabled,
normal braking is still effective. (If
your BRAKE warning lamp
illuminates with the parking brake
released, have your brake system
serviced immediately by an authorized dealer.)
Regenerative Braking System (RBS)
Your vehicle uses a feature known as regenerative braking. This is used
to simulate the engine braking of an internal combustion engine and
assist the standard brake system while recovering some of the energy of
motion back into the battery to improve fuel economy. The standard
brake system is designed to fully stop the car if regenerative braking is
not available. During regenerative braking, the motor is spun as a
generator to create electrical current. This recharges the high voltage
battery and slows the vehicle. In effect, once the accelerator pedal is
released, the motor changes from an energy user to an energy producer.
When the accelerator pedal is released or the brake pedal is applied, the
brake controller automatically detects the amount of deceleration
requested and optimizes how much of the deceleration will be produced
by regenerative braking. The remaining portion is generated by standard
friction braking. When the battery is almost fully charged, the amount of
regenerative braking is limited to avoid overcharging, and the requested
deceleration is produced by standard friction braking alone.
Regenerative braking does not take the place of the standard friction
brakes; it only assists them. Regenerative braking has also been designed
to interact with the anti-lock brake system (ABS). Regenerative braking
is disabled when the ABS is activated or the battery is fully charged.
ABS
P!
BRAKE
2008 Mariner Hybrid(mhv)
Owners Guide (post-2002-fmt)
USA(fus)
Driving
189
Page 190 of 320
Parking brake
Apply the parking brake whenever
the vehicle is parked. To set the
parking brake, press the parking
brake pedal down until the pedal
stops.
The BRAKE warning lamp in the
instrument cluster illuminates and
remains illuminated (when the
ignition is turned ON) until the
parking brake is released.
If the parking brake is fully released, but the brake warning lamp
remains illuminated, the brakes may not be working properly.
See your authorized dealer.
Always set the parking brake fully and make sure that the
gearshift is securely latched in P (Park).
The parking brake is not recommended to stop a moving vehicle.
However, if the normal brakes fail, the parking brake can be used to stop
your vehicle in an emergency. Since the parking brake applies only the
rear brakes, the vehicle’s stopping distance will increase greatly and the
handling of your vehicle will be adversely affected.
P!
BRAKE
2008 Mariner Hybrid(mhv)
Owners Guide (post-2002-fmt)
USA(fus)
Driving
190
Page 191 of 320

Pull the release lever to release the
brake. Driving with the parking
brake on will cause the brakes to
wear out quickly and reduce fuel
economy.
STEERING
Your vehicle is equipped with an Electric Power-Assisted Steering
(EPAS) system. There is no fluid reservoir to check or fill.
If your vehicle loses electrical power while you are driving (or if the
ignition is turned off), you can steer the vehicle manually, but it takes
more effort. Under extreme usage conditions, the steering effort may
increase. This occurs to prevent overheating and permanent damage to
your steering system. If this should occur, you will neither lose the ability
to steer the vehicle manually nor will it cause permanent damage.
Typical steering and driving maneuvers will allow the system to cool and
steering assist will return to normal.
If the steering wanders or pulls, check for:
•an improperly inflated tire
•uneven tire wear
•loose or worn suspension components
•loose or worn steering components
•improper steering alignment
A high crown in the road or high crosswinds may also make the steering
seem to wander/pull.
2008 Mariner Hybrid(mhv)
Owners Guide (post-2002-fmt)
USA(fus)
Driving
191
Page 192 of 320

PREPARING TO DRIVE
Utility vehicles have a significantly higher rollover rate than
other types of vehicles.
In a rollover crash, an unbelted person is significantly more likely
to die than a person wearing a seat belt.
Utility vehicles and trucks have larger tires and increased ground
clearance, giving the vehicle a higher center of gravity than a passenger
car.
Vehicles with a higher center of gravity such as utility vehicles
and trucks handle differently than vehicles with a lower center
of gravity. Utility vehicles and trucks arenotdesigned for cornering at
speeds as high as passenger cars any more than low-slung sports cars
are designed to perform satisfactorily under off-road conditions. Avoid
sharp turns, excessive speed or abrupt maneuvers in these vehicles.
Failure to drive cautiously could result in an increased risk of loss of
vehicle control, vehicle rollover, personal injury and death.
Loaded vehicles, with a higher center of gravity, may handle
differently than unloaded vehicles. Do not overload your vehicle
and use extra precautions, such as driving at slower speeds, avoiding
abrupt steering changes and allowing for increased stopping distance,
when driving a heavily loaded vehicle. Over loading or loading the
vehicle improperly can deteriorate handling capability and contribute
to loss of vehicle control and vehicle rollover.
AUTOMATIC TRANSMISSION OPERATION
Brake-shift interlock
This vehicle is equipped with a brake-shift interlock feature that prevents
the gearshift lever from being moved from P (Park) when the ignition is
in the RUN position unless brake pedal is depressed.
If you cannot move the gearshift lever out of P (Park) with ignition in
the RUN position and the brake pedal depressed, it is possible that a
fuse has blown or the vehicle’s brake lamps are not operating properly.
Refer toFuses and relaysin theRoadside Emergencieschapter.
2008 Mariner Hybrid(mhv)
Owners Guide (post-2002-fmt)
USA(fus)
Driving
192