2005 HONDA CIVIC HYBRID engine coolant

If the IMA battery is too hot or too
cold, the IMA system shuts down to
protect the battery. This disables the
IMA assist and Auto Idle Stop, even
though the Battery Level Gauge may
show that the battery is well-charged.
Theref ore, those f unctions may not
operate when you f irst start driving
in very hot or cold weather.
The battery temperature will
normalize af ter a f ew minutes of
driving, and the IMA system will
work normally.
This gauge shows you the status of
the Integrated Motor Assist (IMA).
When the IMA battery is being
charged, the lef t side of the gauge
illuminates. When the IMA is
assisting the engine, the right side of
the gauge illuminates. This shows the temperature of the
engine’s coolant. During normal
operation, the reading should be in
the middle of the gauge. In severe
driving conditions, such as very hot
weather or a long period of uphill
driving, the reading may reach near
the red mark. If it reaches the red
(Hot) mark, pull saf ely to the side of
theroad.Seepage for
instructions and precautions on
checking the engine’s cooling
system.
186
Charge/Assist Gauge
Temperature Gauge
Gauges
Inst rument s and Cont rols
63
IMA CHARGE
GAUGEIMA ASSIST
GAUGE

If the interior is very warm,you can
cool it down more rapidly by partially
opening the windows, turning on the
A/C, and setting the fan to
maximum speed in Fresh Air mode.
In AUTO mode, the system controls
the airf low direction automatically
between the dashboard vents and
the f loor vents.
The f low-through ventilation system
draws in outside air, circulates it
through the interior, then exhausts it
through vents near the rear window.
Set the temperature to the lower
limit.
Make sure the A/C is of f .
Select and Fresh Air mode.
Set the f an to the desired speed.
The heater uses engine coolant to
warm the air. If the engine is cold, it
will be several minutes bef ore you
f eel warm air coming through the
system. Select .
The system automatically
switches to Fresh Air mode.
Set the f an to the desired speed.
Adjust the warmth of the air with
the temperature control dial.
Air conditioning places an extra load
on the engine. Watch the engine
coolant temperature gauge (see page ). If it moves near the red zone,
turn of f the A/C until the gauge
reads normally.
Turn on the A/C by pressing the
button. The indicator in the button
comesonwhenafanspeedis
selected.
Make sure the temperature is set
to maximum cool.
Select .
If the outside air is humid, select
Recirculation mode. If the outside
air is dry, select Fresh Air mode.
Set the f an to the desired speed.
1.
2.
3.
4.
1.
2.
3.
4.
5.63
1.
2.
3.
Ventilation
Using the Heater Using the A /C
Vents, Heating, and A/C
Features
89

Bef ore you begin driving your
vehicle, you should know what
gasoline to use, and how to check
the levels of important f luids. You
also need to know how to properly
store luggage or packages. The
inf ormation in this section will help
you. If you plan to add any
accessories to your vehicle, please
read the information in this section
first..............................
Break-in Period .112
.................
Fuel Recommendation . 112
.........
Service Station Procedures . 113
....................................
Ref ueling .113
OpeningandClosingthe .......................................
Hood .115
...................................
Oil Check .116
.............
Engine Coolant Check . 116
...............................
Fuel Economy .117
...
Accessories and Modif ications . 119
.............................
Carrying Cargo .121
Bef ore Driving
Bef ore Driving
111

Wait a f ew minutes af ter turning the
engine of f bef ore you check the oil.Remove the dipstick (orange loop).
Insert it all the way back in its tube. Remove the dipstick again and
check the level. It should be
between the upper and lower
marks.
Look at the coolant level in the
radiator reserve tank. Make sure it is
between the MAX and MIN lines. If
it is below the MIN line, see
on page f or
informationonaddingtheproper
coolant.
Refer to on page f or inf ormation
about checking other items on your
vehicle.
Wipe of f the dipstick with a clean
cloth or paper towel.
If it is near or below the lower mark,
see
on page .
2.
3. 1. 4.
144
150
153
Oil Check
A dding
Engine Coolant Engine Coolant Check
Owner’s Maintenance
Checks
A dding Engine Oil
Service Station Procedures
116
DIPSTICK
UPPER MARK
LOWER MARKRESERVE TANK
MINMAX

To maximize f uel economy, your
Civic Hybrid has an Auto Idle Stop
f unction. Under certain conditions,
the engine will shut of f when you
come to a stop. Those conditions are:The engine coolant is nearly up to
normal operating temperature.
The vehicle’s speed is below 19
mph (30 km/h) and you are
pressing on the brake pedal to
come to a stop.
You depress the clutch pedal.
You are not pressing on the
accelerator pedal.
The IMA battery is charged
enough to operate the system. The Auto Idle Stop f unction may not
activate if the IMA battery
temperature is too hot or too cold. During Auto Idle Stop, the IMA
charge and power brake vacuum
reserve is monitored by the system.
If either drops below a desired level,
and the shif t lever is in Neutral, the
engine will restart so it can recharge
the IMA battery or replenish the
vacuum supply.
The ECON mode is selected, and
the outside temperature is above
f reezing, or the f an speed control
dial is off (see page ).
There is adequate vacuum reserve
f or the power brakes.
When these conditions are met, the
engine will shut of f as you come to a
stop. It will start again automatically
when you depress the clutch pedal
f ully and move the shif t lever to f irst
gear. There is no need to start the
engine with the ignition switch.
It is recommended that you move
the shift lever to Neutral and remove
your f oot f rom the clutch pedal while
you are stopped. Sitting with the
clutch pedal depressed and the shif t
lever in gear will cause the engine to
continue running, def eating the f uel
economy benef its of the Auto Idle
Stop f unction. 87
Auto Idle Stop
Manual T ransmission
Driving
129

To maximize f uel economy, your
Civic Hybrid has an Auto Idle Stop
f unction. Under certain conditions,
the engine will shut of f when you
come to a stop. Those conditions are:The engine coolant is nearly up to
normal operating temperature.
The shift lever is in D or N.
You are not pressing on the
accelerator pedal.
The IMA battery is charged
enough to operate the system.
The ECON mode is selected, and
the outside temperature is above
f reezing, or the f an speed control
dial is off (see page ). There is adequate vacuum reserve
f or the power brakes.
When these conditions are met af ter
the vehicle speed has exceeded 10
mph (16 km/h), the engine will shut
of f as you are braking to a stop and
the vehicle speed goes below 5 mph
(8 km/h).
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 are on an incline, and the
vehicle begins rolling. During Auto Idle Stop, the IMA
charge and power brake vacuum
reserve is monitored by the system.
If the vacuum reserve drops below
an optimal level, the engine will
restart to replenish the vacuum
supply. If the IMA charge drops
below an optimal level and the shif t
lever is in Neutral or Park (P), the
engine will restart to recharge the
IMA battery.
The Auto Idle Stop f unction may not
activate if the IMA battery
temperature is too hot or too cold.
You press the accelerator pedal.
87
Auto Idle Stop
Automatic Transmission (CVT)
Driving
135

This section also includes
Maintenance Schedules f or normal
driving and severe driving conditions,
a Maintenance Record, and instruc-
tions f or simple maintenance tasks
you may want to take care of
yourself .
If you have the skills and tools to per-
f 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.......................
Maintenance Saf ety .142
.................
Maintenance Schedule . 143
....................
Maintenance Record .147
..............................
Fluid Locations .149
........................
Adding Engine Oil .150
.........
Changing the Oil and Filter . 151
..............................
Engine Coolant .153
....................
Windshield Washers .155
........................
Transmission Fluid .156
Continuously Variable ............
Transmission (CVT) . 156
..............
Manual Transmission . 157
................
Brake and Clutch Fluid . 158
.............................................
Lights .159
................................
Roof Antenna .164
................
Cleaning the Seat Belts . 164
.....................................
Floor Mats .165
..................
DustandPollenFilter . 165
.................................
Wiper Blades .166
...............................................
Tires .167
......
Checking the 12Volt Battery . 173
.............................
Vehicle Storage .174
215
Maintenance
Maint enance
141

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Your authorized dealer knows your
vehicle best and can provide
competent, ef f icient service.
However, service at a dealer is not
mandatory to keep your warranties
in effect. Maintenance may be done
by any qualif ied service f acility or
skilled person to keep your
warranties in ef f ect. Keep all the
receipts as proof of completion, and
have the person who does the work
f ill out the Maintenance Record.
Check your warranty booklet f or
more inf ormation.
We recommend the use of Honda
parts and f luids whenever you have
maintenance done. U.S. Vehicles:
According to state and federal
regulations, f ailure to perf orm
maintenance on the items marked
with will not void your emissions
warranties. However, all
maintenance services should be
perf ormed at the recommended time
or mileage period to ensure long-
term reliability.
Youshouldcheckthefollowing
items at the specif ied intervals. If
you are unsure of how to perf orm
any check, turn to the appropriate
page listed.
Engine oil level Check every
time you f ill the f uel tank. See
page .
Engine coolant level Check the
radiator reserve tank every time
you f ill the f uel tank. See page .
Brakes Check the f luid level
monthly. See page .
Tires Check the tire pressure
monthly. Examine the tread f or
wear and foreign objects. See page .
Lights Check the operation of
the headlights, parking lights,
taillights, high-mount brake light,
and license plate lights monthly.
See page . Automatic transmission (CVT)
Check the f luid level monthly. See
page . 116
116
156 158
167
159
Maintenance Schedule
Servicing Your Vehicle Maintenance, replacement, or
repair of emissions control
devices and systems may be done
by any automotive repair
establishment or individual using
parts that are ‘‘certif ied’’ to EPA
standards.Owner’s Maintenance Checks
144