2009 HONDA S2000 engine

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The ignition switch has three
positions: LOCK (0), ACCESSORY
(I), and ON (II). This is the normal key
position when driving. Several of the
indicators on the instrument panel
come on as a test when you turn the
ignition switch f rom the
ACCESSORY (I) to the ON (II)
position.
The engine can be started with the
key in this position by pressing the
engine START button (see page ).
You will hear a reminder beeper if
you leave the key in the ignition
switch in the LOCK (0) or the
ACCESSORY (I) position and open
thedriver’sdoor.Removethekeyto
turn of f the beeper.
You can insert or
remove the key only in this position.
To turn the key, push it in slightly.
If the f ront wheels are turned, the
anti-theft lock may make it difficult
to turn the key. Firmly turn the
steering wheel to the lef t or right as
you turn the key. You can
operate the audio system and the
accessory power socket in this
position.
146
ON (II)
LOCK (0) A CCESSORY (I)
Ignition Switch
64
Removing the key from the
ignition switch while driving
locks the steering. This can
cause you to lose control of the
vehicle.
Remove the key from the
ignition switch only when
parked.
2009 S2000

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
reading returns to normal.
The f low-through ventilation system
draws in outside air, circulates it
through the interior, then exhausts it
through vents behind the seat-backs.
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 f rom the
system. Select and fresh air mode.
Set the f an to the desired speed.
Adjust the warmth of the air with
the temperature control dial. Set the f an to the desired speed.
Turn on the A/C by pressing the
button. The indicator in the button
comes on.
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 f resh air mode.
Air f lows f rom the f loor
vents and the vents on both sides of
the instrument panel.
When you select , the system
automatically switches to f resh air
mode.
Airf low is divided between
the f loor vents and the def roster
vents at the base of the windshield,
and the vents on both sides of the
instrument panel.
Air f lows f rom the def roster
vents at the base of the windshield
and the vents on both sides of the
instrument panel.
When you select or ,
the system automatically switches to
f resh air mode and turns on the A/C. 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 f resh air mode.
1.
2.
3.
4.
1.
2.
3.
1.
2.
3.
4.
5.
55
If the interior is very warm,
Vents, Heating, and A/C
Using the A/C
Ventilation
Using the Heater
98
2009 S2000

The f low-through ventilation system
draws in outside air, circulates it
through the interior, then exhausts it
through vents behind the seat-backs.
Air flows from the center
vents in the dashboard, the vents on
both sides of the instrument panel,
and from the floor vents. Select this
position when you drive with the
removable hardtop removed. Set the temperature to the lower
limit.
Select and fresh air mode.
Set the f an to the desired speed.
Air f lows f rom the f loor
vents and the vents on both sides of
the instrument panel.
Airf low is divided between
the f loor vents and the def roster
vents at the base of the windshield,
and the vents on both sides of the
instrument panel.
Air f lows f rom the def roster
vents at the base of the windshield
and the vents on both sides of the
instrument panel. 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 f rom the
system.
Select and fresh air mode.
Set the f an to the desired speed.
Adjust the warmth of the air with
the temperature control dial.
When you select or ,
the system automatically switches to
Fresh Air mode. To remove f og f rom the inside of the
windows:
Set the f an to the desired speed, or
high f or f aster def rosting.
Select . The system
automatically switches to fresh air
mode.
Adjust the temperature so the
airflow feels warm.
Select to help clear the
rear window.
To increase airf low to the
windshield, close the corner vents.
When you select or ,
the system automatically turns on
the f resh air mode. This helps to
def og the windshield.
1.
2.
3.
1.
2.
3. 1.
2.
3.
4.
5.
Ventilation
Using the Heater
To Def og and Def rost
Vents and Heating
102
2009 S2000

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 .128
.................
Fuel Recommendation .128
.........
Service Station Procedures .129
....................................
Ref ueling .129
OpeningandClosingthe .......................................
Hood .130
...................................
Oil Check .131
.............
Engine Coolant Check .132
...............................
Fuel Economy .133
...
Accessories and Modif ications .136
.............................
Carrying Cargo .138
Bef ore Driving
Bef ore Driving
127
2009 S2000

Help assure your vehicle’s f uture
reliability and perf ormance by paying
extra attention to how you drive
during the f irst 600 miles (1,000 km).
During this period:Your vehicle is designed to operate
on premium unleaded gasoline with a
pump octane number of 91 or higher.
Useof aloweroctanegasolinecan
cause occasional metallic knocking
noises in the engine and will result in
decreased engine perf ormance. Use
of a gasoline with a pump octane
number less than 87 can lead to
engine damage.
You should also f ollow these
recommendations with an
overhauled or exchanged engine, or
when the brakes are replaced. Avoidhardbrakingforthefirst
200 miles (300 km).
Do not change the oil until the
scheduled maintenance time.
Avoid full-throttle starts and rapid
acceleration. Do not exceed 5,500
rpm f or the f irst 600 miles (1,000
km) of operation.
For f urther important f uel-related
inf ormation, please ref er to your.
If you notice any undesirable
operating symptoms, try another
service station or switch to another
brand of gasoline.
Some gasoline today is blended with
oxygenates such as ethanol or
MTBE. Your vehicle is designed to
operate on oxygenated gasoline
containing up to 10% ethanol by
volume and up to 15% MTBE by
volume. Do not use gasoline
containing methanol.
Use of gasoline with these additives
may adversely af f ect perf ormance,
and cause the malfunction indicator
lamp on your instrument panel to
come on. If this happens, contact
your authorized dealer f or service.
In addition, in order to maintain good
perf ormance, f uel economy, and
emissions control, we strongly
recommend, in areas where it is
available, the use of gasoline that
does NOT contain manganese-based
f uel additives such as MMT.
We recommend quality gasoline
containing detergent additives that
help prevent f uel system and engine
deposits.
Break-in Period
Fuel Recommendation
Quick Start Guide
Break-in Period, Fuel Recommendation
128
2009 S2000

Open the f uel f ill door by pulling
on the knob on the driver’s door
jamb.
Park with the driver’s side closest
to the service station pump.even though the tank is not f ull,
there may be a problem with your
vehicle’s fuel vapor recovery
system. The system helps keep
f uel vapor f rom going into the
atmosphere. Try f illing at another
pump. If this does not f ix the
problem, consult your dealer.
Remove the f uel f ill cap slowly.
You may hear a hissing sound as
pressure inside the tank escapes.
Place the cap in the holder on the
fuel fill door.
Stop f illing the tank af ter the f uel
nozzle automatically clicks of f . Do
not try to ‘‘top of f ’’ the tank. Leave
some room f or the f uel to expand
with temperature changes.
1.
2.
3.
4.
CONT INUED
If the f uel nozzle keeps clicking of fRef ueling
Service Station Procedures
Bef ore Driving
129
Pull
FUEL FILL CAP
Gasoline is highly flammable
and explosive. You can be
burned or seriously injured
when handling fuel.Stop the engine, and keep
heat, sparks, and flame away.
Handle fuel only outdoors.
Wipe up spills immediately.
2009 S2000

Remove the dipstick again, and
check the level. It should be
between the upper and lower
marks.
If it is near or below the lower mark,
see on page .
Wait a f ew minutes af ter turning the
engine of f bef ore you check the oil.
Remove the dipstick (black
handle).
Insert the dipstick all the way back
into its hole. Wipe of f the dipstick with a clean
cloth or paper towel.
To close the hood, lif t it up slightly to
remove the support rod f rom the
hole. Put the support rod back into
its holding clip. Lower the hood to
about a f oot (30 cm) above the
f ender, then let it drop. Make sure it
is securely latched. Holding the grip, pull the support
rod out of its clip. Insert the end
into the designated hole in the
hood.
3. 4.
1.
2.
3.
170
Service Station Procedures
A dding Engine Oil
Oil Check
Bef ore Driving
131
UPPER MARK
LOWER MARK
DIPSTICK
CLIP
SUPPORT ROD GRIP
2009 S2000

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, seeon page f or
inf ormation on adding the proper
coolant. Refer to
on page f or inf ormation
about checking other items on your
vehicle.
173 167
Engine Coolant Check
A dding
Engine Coolant Owner’s Maintenance
Checks
Service Station Procedures
132
RESERVE TANK
MAX MIN
2009 S2000