2010 HONDA CIVIC HYBRID battery

µµThe Auto Idle Stop f unction may
activate when you slow down.
The engine will start again when you
release the brake pedal. It will also
restart, even if you are still pressing
the brake pedal, under these
conditions:
You move the shif t lever f rom D
or N to R or L.
You press the accelerator pedal.
You are on an incline, and the
vehicle begins rolling.
To help maximize f uel economy,
your Civic Hybrid has an Auto Idle
Stop f unction. Depending on
environmental conditions and vehicle
operation, the engine will shut of f
when you come to a stop.
The engine coolant is nearly up to
normal operating temperature.
The IMA battery is charged
enough to operate the system.
Outside temperature is between
10 100 degrees F.
The vehicle is not climbing a hill. The shift lever is in D or N.
You are not pressing on the
accelerator pedal.
You are pressing on the brake
pedal.
Fan speed lower f an speeds, in
either AUTO or manual modes.
The f ront window def roster is of f .
Auto Idle Stop
Automatic Transmission (CVT)
A ccording t o driving condit ions
A ccording t o vehicle cont rols
264
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2010 Civic Hybrid

If you have the skills and tools to
perf orm more complex maintenance
tasks on your vehicle, you may want
to purchase the service manual. See
page f or inf ormation on how to
obtain a copy, or see your dealer. This section explains why it is
important to keep your vehicle well
maintained and how to f ollow basic
maintenance saf ety precautions.
This section also includes
instructions on how to read the
maintenance minder messages on
the information display, and
instructions f or simple maintenance
tasks you may want to take care of
yourself .......................
Maintenance Saf ety .276
....................
Maintenance Minder . 277
..............................
Fluid Locations .284
........................
Adding Engine Oil .285
.........
Changing the Oil and Filter . 286
..............................
Engine Coolant .288
....................
Windshield Washers .290
........................
Transmission Fluid .291
Continuously Variable ............
Transmission (CVT) . 291
....................................
Brake Fluid .292
.............................................
Lights .293
................................
Roof Antenna .298
................
Cleaning the Seat Belts . 299
.....................................
Floor Mats .299
..................
DustandPollenFilter . 300
.................................
Wiper Blades .300
...........................................
Wheels .303
...............................................
Tires .303
......
Checking the 12 Volt Battery . 309
.............................
Vehicle Storage .310
241
Maintenance
Maint enance
275
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2010 Civic Hybrid

To eliminate potential hazards, read
the instructions bef ore you begin,
and make sure you have the tools
and skills required.To clean parts, use a commercially
available degreaser or parts
cleaner, not gasoline.
To reduce the possibility of f ire or
explosion, keep cigarettes, sparks,
and flames away from the battery
and all f uel-related parts. Make sure your vehicle is parked
on level ground, the parking brake
is set, and the engine is of f . Some of the most important saf ety
precautions are given here. However,
we cannot warn you of every
conceivable hazard that can arise in
perf orming maintenance. Only you
can decide whether or not you
should perf orm a given task.Do
not run the engine unless
instructed to do so. Let the
engine and exhaust system cool
down bef ore touching any parts.
Wear eye protection and
protective clothing when working
with the battery or compressed air.
All service items not detailed in this
section should be perf ormed by a
certif ied technician or qualif ied
mechanic.
Be sure there is
adequate ventilation whenever you
operate the engine.
Maintenance Saf ety
Important Saf ety Precautions Injury f rom moving parts. Burns f rom hot parts.
Carbon Monoxide poison f rom
engine exhaust.
Potential Vehicle Hazards
276
Failure to properly follow
maintenance instructions and
precautions can cause you to
be seriously hurt or killed.
Always follow the procedures
and precautions in this owner’s
manual.
Improperly maintaining this
vehicle, or failing to correct a
problem before driving can
cause a crash in which you can
be seriously hurt or killed.
Always follow the inspection
and maintenance
recommendations and
schedules in this owner’s
manual.
09/07/15 11:07:09 31SNC640_281
2010 Civic Hybrid

µ
Check the condition of the 12 volt
battery monthly by looking at the
test indicator window. The label on
the battery explains the test
indicator’s colors.
If your vehicle’s 12 volt battery is
disconnected or goes dead, the IMA
battery level gauge reading will not
be correct the next time you turn the
ignition switch to the ON (II)
position. It will show less than the
actual level temporarily. It will show
the correct level af ter you drive f or
at least 30 minutes.
Check the terminals f or corrosion (a
white or yellowish powder). To
remove it, cover the terminals with a
solution of baking soda and water. It
will bubble up and turn brown. When
this stops, wash it of f with plain
water. Dry off the battery with a
cloth or paper towel. Coat the
terminals with grease to help prevent
f urther corrosion.
If additional battery maintenance is
needed, see your dealer or a
qualif ied technician.
Battery posts,
terminals, and related accessories
contain lead and lead compounds.
If you need to connect the battery to
a charger, disconnect both cables to
prevent damaging your vehicle’s
electrical system. Always disconnect
the negative ( ) cable first, and
reconnect it last. WARNING:
Wash your hands af ter handling.
Checking the 12 Volt Battery
Maint enance
309
TEST INDICATOR WINDOW
The battery gives off explosive
hydrogen gas during normal
operation.
A spark or flame can cause the
battery to explode with enough
force to kill or seriously hurt you.
Wear protective clothing and a
face shield, or have a skilled
technician do the battery
maintenance.
09/07/15 11:11:53 31SNC640_314
2010 Civic Hybrid

Fill the f uel tank.
If you need to park your vehicle f or
an extended period (more than 1
month), there are several things you
should do to prepare it f or storage.
Proper preparation helps prevent
deterioration and makes it easier to
get your vehicle back on the road. If
possible, store your vehicle indoors.
Wash and dry the exterior
completely.
Cleantheinterior.Makesurethe
carpeting, floor mats, etc., are
completely dry.
Leave the parking brake off. Put
the transmission in Park.
Block the rear wheels. If the vehicle is to be stored f or a
longer period, it should be
supported on jackstands so the
tires are of f the ground.
Leave one window open slightly (if
the vehicle is being stored
indoors).
Disconnect the 12 volt battery.
Support the f ront wiper blade
arms with a f olded towel or rag so
they do not touch the windshield.
To minimize sticking, apply a
silicone spray lubricant to all door
and trunk seals. Also, apply a
vehiclebodywaxtothepainted
surfaces that mate with the door
and trunk seals.
Cover the vehicle with a
‘‘breathable’’ cover, one made
f rom a porous material such as
cotton. Non-porous materials, suchas plastic sheeting, trap moisture,
which can damage the paint.
Reconnect the 12 volt battery and
drive your vehicle every month f or
about 30 minutes. This will keep
the IMA battery charged and in
good condition.
If possible, periodically run the
engine until it reaches f ull
operating temperature (the
cooling f ans cycle on and of f
twice). Pref erably, do this once a
month.
Vehicle Storage
310
If this vehicle is unused f or over one
month, the service lif e of the 158V
Nickel-Metal Hydride battery will be
reduced and the battery may be
permanently damaged.
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2010 Civic Hybrid

Diagnosing why the engine won’t
start f alls into two areas, depending
on what you hear when you turn the
ignition switch to the START (III)
position:If the headlights dim noticeably or
go out when you try to start the
engine, either the 12 volt battery is
discharged or the connections are
corroded. Check the condition of
the 12 volt battery and terminal
connections (see page ). You
canthentryjumpstartingthe
vehicle f rom a booster 12 volt
battery (see page ).
You hear nothing, or almost
nothing. The engine’s starter
motor does not operate at all, or
operates very slowly.
You can hear the starter motor
operating normally, or the starter
motor sounds like it is spinning
f aster than normal, but the engine
does not start up and run.
When you turn the ignition switch to
the START (III) position, you do not
hear the normal noise of the engine
trying to start. You may hear a
clicking sound, a series of clicks, or
nothing at all.
Check these things:
Check the transmission interlock.
The transmission must be in Park
or neutral or the starter will not
operate. Turn the ignition switch to the
START (III) position. If the
headlights do not dim, check the
condition of the f uses. If the f uses
areOK,thereisprobably
something wrong with the
electrical circuit f or the ignition
switch or starter motor. You will
need a qualif ied technician to
determine the problem. See
on page .
Turn the ignition switch to the ON
(II) position. Turn on the
headlights, and check their
brightness. If the headlights are
very dim or do not come on at all,
the battery is discharged. See on page .319 333
309
319
Nothing Happens or the Starter
Motor Operates Very Slowly
Emergency T owing
Jump Starting
If theEngineWon’tStart
T aking Care of t he Unexpect ed
317
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2010 Civic Hybrid

´´
Although this seems like a simple
procedure, you should take several
precautions.
To jump start your vehicle:
The numbers in the illustration show
you the order to connect the jumper
cables.Connect one jumper cable to the
positive ( ) terminal on your
battery. Connect the other end to
the positive ( ) terminal on the
booster battery.
You cannot start your vehicle by
pushing or pulling it. Open the hood, and check the
physical condition of the 12 volt
battery.
Turn of f all electrical accessories:
heater, A/C, climate control, audio
system, lights, etc. Put the
transmission in Park, and set the
parking brake.
1.
2.
3.
CONT INUED
Jump Starting
T aking Care of t he Unexpect ed
319
BOOSTER BATTERY
A battery can explode if you do
not follow the correct procedure,
seriously injuring anyone
nearby.
Keep all sparks, open flames,
and smoking materials away
from the battery.If a battery sits in extreme cold, the
electrolyte inside can f reeze.
Attempting to jump start with a f rozen
battery can cause it to rupture.
09/07/15 11:13:11 31SNC640_324
2010 Civic Hybrid

µStart the vehicle. If the starter
motor still operates slowly, check
that the jumper cables have good
metal-to-metal contact.
Keep the ends of the jumper cables
away from each other and any metal
on the vehicle until everything is
disconnected. Otherwise, you may
cause an electrical short.
If the booster battery is in another
vehicle, have an assistant start
that vehicle and run it at a fast idle. Once your vehicle is running,
disconnect the negative cable f rom
your vehicle, then f rom the
booster battery. Disconnect the
positive cable f rom your vehicle,
then from the booster battery.
If your vehicle’s 12 volt battery is
disconnected or goes dead, the IMA
battery level gauge reading will not
be correct the next time you turn the
ignition switch to the ON (II)
position. It will show less than the
actual level temporarily. It will show
the correct level af ter you drive f or
at least 30 minutes.
Connect the second jumper cable
to the negative ( ) terminal on
the booster battery. Connect the
other end to the grounding strap
as shown. Do not connect this
jumper cable to any other part of
the engine. 7. 6.
4.
5.
Jump Starting
320
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2010 Civic Hybrid