2003 HONDA INSIGHT fuel

Your vehicle’s on board diagnostic
system will detect a loose or missing
f uel f ill cap as an evaporative system
leak. The f irst time a leak is detected
a ‘‘TIGHTEN FUEL CAP’’ message
appears on the multi-inf ormation
display.Turn the engine of f , and conf irm the
f uel f ill cap is installed. If it is, loosen
it, then retighten it until it clicks at
least once. The message should go
off after several days of normal
driving once you tighten or replace
thefuelfillcap.Toscrolltoanother
message, press the INFO button.
The ‘‘TIGHTEN FUEL CAP’’
message will appear each time you
restart the engine until the system
turns the message off.
Screw the fuel fill cap back on
until it clicks at least once. If you
do not properly tighten the cap,
you will see a ‘‘TIGHTEN FUEL
CAP’’ message on the multi-
inf ormation display. If the system
still detects an evaporative system
leak af ter retightening the cap, the
malf unction indicator lamp may
come on (see page ).
Push the f uel f ill door closed until
it latches.
6. 5.
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CONT INUED
Tighten Fuel Cap Message
Service Station Procedures
Bef ore Driving
247

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Fuel economy is not a f ixed number.
It varies based on driving conditions,
driving habits, and vehicle condition.
Theref ore, it is not possible f or one
set of estimates to predict f uel
economy precisely f or all drivers in
all environments.
The EPA f uel economy estimates
shownintheexampletotheright
are a usef ul tool f or comparison
when buying a vehicle. EPA
estimates include:
Represents a combination of city and
highway driving. The scale
represents the range of combined
f uel economy f or other vehicles in
the class.
Represents a
mixture of rural and interstate
driving, in a warmed-up vehicle,
typical of longer trips in f ree-f lowing
traf f ic. A range of miles per gallon achieved is also provided.
Represents urban
driving in light traf f ic. A range of
miles per gallon achieved is also
provided.
Provides an estimated annual f uel
cost, based on 15,000 miles (20,000
km) per year multiplied by the costpergallon(basedonEPAfuelcost
data) divided by the combined f uel
economy.
For more inf ormation on f uel
economy ratings and factors that
af f ect f uel economy, visit
(Canada: Visit
)
www.
fueleconomy.gov www.
vehicles.gc.ca
Actual Mileage and EPA Fuel
Economy Estimates Comparison.
Combined Fuel Economy
Highway MPG City MPG Estimated Annual Fuel Cost
Fuel Economy
Bef ore Driving
251
Combined Fuel
Economy(Sample U.S. EPA label shown) Estimated Annual
Fuel Cost
City MPG
Highway MPG

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Aggressive driving (hard
acceleration and braking)
Excessive idling, accelerating and
braking in stop-and-go traf f ic
Cold engine operation (engines
aremoreefficientwhenwarmed
up)
Driving with a heavy load or the
air conditioner running
Improperly inf lated tires
The f ollowing f actors can lower your
vehicle’s f uel economy:
A properly maintained vehicle
maximizes f uel economy. Poor
maintenance can signif icantly reduce
f uel economy. Always maintain your
vehicle according to the maintenance
messages displayed on the multi-
inf ormation display (see
on page ).
For example: Rapid
acceleration, abrupt cornering,
and hard braking increase fuel
consumption.
Aerodynamic drag has a big ef f ect
on f uel economy at speeds above
45 mph (75 km/h). Reduce your
speed and you reduce the drag.
Trailers, car top carriers, roof
racks and bike racks are also big
contributors to increased drag.
An underinf lated tire increases
‘‘rolling resistance,’’ which reduces
f uel economy.
It puts a heavier
load on the engine, increasing f uel
consumption.
In
particular, a build-up of snow or
mud on your vehicle’s underside
adds weight and rolling resistance.
Frequent cleaning helps your f uel
economy. Idling
results in 0 miles per gallon (0 kms
per liter).
Use the ECON mode as much as
possible.
307
Fuel Economy Factors
Use the recommended viscosity
motor oil, displaying the A PI
Certif ication Seal (see page ).
Improving Fuel Economy Owner’s
Maintenance Checks Drive moderately
Observe the speed limit
Maintain proper tire inf lation
A void carrying excess weight in
your vehicle
K eep your vehicle clean
A void excessive idling
311
Vehicle Maint enance Drive Ef f icient ly
Fuel Economy
252

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Fill the f uel tank until the nozzle automatically clicks of f .
Reset trip counter to zero.
Record the total gallons (liters) needed to ref ill.
Follow one of the simple calculations above.
The A/C
puts an extra load on the engine
which makes it use more f uel. Use
the f resh-air ventilation when
possible.
Direct calculation is the
recommended source of inf ormation
about your actual f uel economy.
Using f requency of f ill-ups or taking
f uel gauge readings are NOT
accurate measures of f uel economy.
Fuel economy may improve over the
f irst several thousand miles
(kilometers). Combine several short trips into
one. A warmed-up engine is more
f uel ef f icient than a cold one.
1)
2)
3)
4)
Checking Your Fuel Economy
Measuring T echniquesMinimize the use of the air
conditioning system
Calculating Fuel Economy Plan and combine trips
Fuel Economy
Bef ore Driving
253
Miles
driven Gallons
of fuel Miles per
Gallon
100 KilometersLper
100 km
Liter

TheEcoDriveBarontheecological
drive display appears on the multi-
inf ormation display while you drive.During acceleration, the bar
extends to the right of the center
line.
If the bar extends into the
Inef f icient Driving Zones, your
current driving style is not
conducive to good f uel economy. If the bar stays within the Efficient
Driving Zones, your current
driving style is conducive to good
f uel economy. During deceleration, the bar
extends to the left of the center
line.
It is recommended to drive in the D
position f or better f uel ef f iciency.
CONT INUED
Eco Drive Bar
Driving Style
Slow, steady
acceleration -
maximizes f uel
economy
Slow deceleration -
maximizes f uel
economy
Moderate
acceleration
Moderate
deceleration
Aggressive/
Inconsistent
acceleration - lowers
fuel economy
Aggressive
deceleration - lowers
fuel economy
Eco Drive BarEco Drive Bar Examples
Eco A ssist Syst em
Driving
265
Acceleration
Monitor
Inefficient Driving Zone
Center Position
Deceleration
Monitor
Inefficient Braking Zone Efficient Zones
ECO ELEMENTS Eco
Drive
Bar

The Ambient Meter (the light
behind the speedometer) changes
color to show the ef f ects of your
driving style. This f eature can be
turned of f (see page ).Fuel Economy
Meter Background Color
103
A mbient Met er
Eco A ssist Syst em
266
AMBIENT METER
U.S. model is shown. (Background Color)
Green
Blue Green Blue High
Low

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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 fill the fuel tank. See
page .
Engine coolant level Check the
radiator reserve tank every time
youfillthefueltank.Seepage .
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 .
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 in accordance with the
intervals indicated by the multi-
inf ormation display.
Lights Check the operation of
all the lights monthly. See page
.
249 250
318 319
338 321
CONT INUED
Owner’s Maintenance Checks
Maintenance Minder
Maint enance
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Maintenance Minder
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Maintenance Main Items
Replace engine oil
Replace engine oil and oil filter
Inspect front and rear brakes
Check parking brake adjustment
Inspect these items: Tie rod ends, steering gear box, and boots
Suspension components
Driveshaft boots
Brake hoses and lines (including ABS/VSA)
All fluid levels and condition of fluids
Exhaust system
Fuel lines and connections Maintenance Sub Items
Rotate tires
Replace air cleaner element If you drive in dusty conditions, replace every 15,000
miles (24,000 km).
Replace dust and pollen filter If you drive primarily in urban areas that have high
concentrations of soot in the air from industry and
from diesel-powered vehicles, replace every 15,000
miles (24,000 km).
Inspect drive belt
Replace transmission fluid
Replace spark plugs
Inspect valve clearance
Replace engine coolant
A
B
Symbol
Symbol
1
2
3
4
5
Inspect idle speed every 160,000 miles (256,000 km).
See information on maintenance and emissions warranty in the first column
on page .
Independent of the Maintenance Minder information, replace the brake
fluid every 3 years.
If the message ‘‘SERVICE’’ does not appear more than 12 months after the
display is reset, change the engine oil every year.
Adjust the valves during services A, B, 1, 2, or 3 if they are noisy.
NOTE: :
307
Maintenance Minder