2011 HONDA ODYSSEY Engine mount

This shows the temperature of the
engine’s coolant. During normal
operation, the pointer should rise
from the bottom mark to about the
middle of the gauge. In severe
driving conditions, such as very hot
weather or a long period of uphill
driving, the pointer may rise to the
upper zone. If it reaches the red
(hot) mark, pull saf ely to the side of
the road. Turn to page for
instructions and precautions on
checking the engine cooling system.
This shows how much f uel you have.
It may show slightly more or less
than the actual amount. The needle
returns to the bottom after you turn
of f the ignition.667
Temperature Gauge
Fuel Gauge
Gauges
Instruments and Controls
77
INFORMATION DISPLAY/
MULTI-INFORMATION DISPLAY
TACHOMETER SPEEDOMETER
FUEL GAUGE
TEMPERATURE
GAUGE
SELECT/RESET KNOB
U.S. Touring model is shown.
Avoid driving with an extremely low
f uel level. Running out of f uel could
cause the engine to misf ire, damaging
the catalytic converter.
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2011 Odyssey

Follow these precautions when using
the seat heaters:If the engine is lef t idling f or an
extended period, do not use the
seat heaters, even on the LO
setting. It can weaken the battery,
causing hard starting. Donotusetheseatheaterinthe
HI setting f or an extended period,
because it draws large amounts of
current f rom battery.
Both f ront seats are equipped with
seat heaters. Because of the sensors
f or the side airbag cutof f system,
there is no heater in the passenger’s
seat-back. The ignition switch must
be in the ON (II) position to use the
heaters. To use the heaters, press the seat
heater switch. The indicator (amber)
in the switch will come on. There are
three settings in the heaters: HI, LO,
and OFF.
When you press the seat heater
switch once, the heater is set to HI.
Select LO by pressing the seat
heater switch again. To shut down
the heater, press the seats heater
switch until the indicators go of f . The heater runs continuously and
does not automatically turn of f
af ter a period of time.
On all models except LX
Seat Heaters
Instruments and Controls
189
Passenger’s
seat
Driver’s
seat
HEATERS SEAT HEATER SWITCHES
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2011 Odyssey

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U.S. Vehicles:
Youshouldcheckthefollowing
items at the specif ied intervals. If
you are unsure of how to perf orm
any check, turn to the appropriate
page listed. Lights Check the operation of
the headlights, parking lights,
taillights, high-mount brake light,
and license plate lights monthly.
See page .
Engine coolant level Check the
radiator reserve tank every time
you f ill the f uel tank. See page . Engine oil level Check every
time you fill the fuel tank. See
page .
Automatic transmission Check
the f luid level monthly. 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 .
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 in accordance with the
intervals indicated by the odometer/
trip meter display or the multi-
inf ormation display.
545
621 623
643 625
545
CONT INUED
Owner’s Maintenance Checks
Maintenance Minder
Maint enance
611TM
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2011 Odyssey

CONT INUED
Your vehicle uses halogen light
bulbs. When replacing a bulb,
handle it by its plastic case, and
protect the glass f rom contact with
your skin or hard objects. If you
touch the glass, clean it with
denatured alcohol and a clean
cloth.Thefoglightswereproperlyaimed
when your vehicle was new. If you
regularly carry heavy items in the
cargo area or pull a trailer,
readjustment may be required.
Adjustment should be done by your
dealer or another qualif ied
technician.
Start the engine. If you are
replacing a driver’s side bulb, turn
the steering wheel all the way to
theright.If youarereplacinga
passenger’s side bulb, turn the
steering wheel to the lef t. Turn of f
the engine. Use a 10 mm wrench to remove
the mounting bolt, and remove the
screws with a Phillips-head
screwdriver. Pull the inner f ender
cover back.
1.
2.On Touring models
Lights
ReplacingaFogLightBulb
Maint enance
629
SCREWS
MOUNTING BOLT
Halogen light bulbs get very hot when
lit. Oil, perspiration, or a scratch on
the glass can cause the bulb to overheat
and shatter.
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2011 Odyssey

The exhaust emissions controls
include f our systems: PGM-FI,
ignition timing control, exhaust gas
recirculation, and three way catalytic
converter. These f our systems work
together to control the engine’s
combustion and minimize the
amount of HC, CO, and NOx that
come out the tailpipe. The exhaust
emissions control systems are
separate f rom the crankcase and
evaporative emissions control
systems.
The PGM-FI system uses sequential
multiport f uel injection.
It has three subsystems: air intake,
engine control, and f uel control. The
powertrain control module (PCM)
uses various sensors to determine
how much air is going into the
engine. It then controls how much
f uel to inject under all operating
conditions.This system constantly adjusts the
ignition timing, reducing the amount
of HC, CO, and NOx produced.
The exhaust gas recirculation (EGR)
system takes some of the exhaust
gas and routes it back into the intake
manif old. Adding exhaust gas to the
air/f uel mixture reduces the amount
of NOx produced when the f uel is
burned.
The three way catalytic converter is
in the exhaust system. Through
chemical reactions, it converts HC,
CO, and NOx in the engine’s exhaust
to carbon dioxide (CO ), nitrogen
(N ), and water vapor.
The emissions control systems are
designed and certif ied to work to-
gether in reducing emissions to
levels that comply with the Clean Air
Act. To make sure the emissions
remain low, you should use only new
Honda replacement parts or their
equivalent f or repairs. Using lower
qualitypartsmayincreasethe
emissions f rom your vehicle.
The emissions control systems are
covered by warranties separate from
the rest of your vehicle. Read your
warranty manual for more informa-
tion.
2
2
Exhaust Emissions Controls Replacement PartsPGM-FI SystemIgnit ion T iming Cont rol Syst em
Exhaust Gas Recirculat ion (EGR)Syst em
Three Way Catalytic ConverterEmissions Controls698
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2011 Odyssey

The three way catalytic converter
must operate at a high temperature
for the chemical reactions to take
place. It can set on f ire any
combustible materials that come
near it. Park your vehicle away from
high grass, dry leaves, or other
f lammables.Keep the engine well maintained.
Have your vehicle diagnosed and
repaired if it is misf iring, back-
f iring, stalling, or otherwise not
running properly.
The three way catalytic converters
contain precious metals that serve as
catalysts, promoting chemical
reactions to convert the exhaust
gasses without af f ecting the metals.
The catalytic converters are ref erred
to as three-way catalysts, since they
act on HC, CO, and NOx.
Replacement units must be original
Honda parts or their equivalent.
A defective three way catalytic
converter contributes to air pollution,
and can impair your engine’s per-
f ormance. Follow these guidelines to
protect your vehicle’s three way
catalytic converter.
Always use unleaded gasoline.
Even a small amount of leaded
gasoline can contaminate the
catalyst metals, making the three
way catalytic converter inef f ective.
Three Way Catalytic Converter
T echnical Inf ormation
699
THREE WAY CATALYTIC CONVERTER
WARM UP THREE WAY CATALYTIC
CONVERTERS
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2011 Odyssey