2005 SUBARU IMPREZA WRX fuel pressure

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3
Instruments and controls
Ignition switch .............................................. 3-3 LOCK .................................................................. 3-3
ACC .................................................................... 3-4
ON ....................................................................... 3-4
START ................................................................ 3-4
Key reminder chime .......................................... 3-5
Ignition switch light .......................................... 3-5
Key interlock release (AT vehicles only) ........ 3-6
Hazard warning flasher ................................ 3-7
Meters and gauges (WRX-STi) .................... 3-7 Combination meter illumination ...................... 3-7
Cancelling sequential illumination of the combination meter ......................................... 3-7
Speedometer ..................................................... 3-8
Odometer/Trip meter ........................................ 3-8
Tachometer ........................................................ 3-9
Fuel gauge ......................................................... 3-10
Temperature gauge ........................................... 3-11
Outside temperature indicator ......................... 3-12
REV indicator light and buzzer (WRX-STi) .................................................. 3-13Setting the alarm-level engine speed .............. 3-13
Deactivating the REV alarm system ................ 3-15
Meters and gauges (Except WRX-STi) ........ 3-15 Speedometer ..................................................... 3-15
Odometer/Trip meter ........................................ 3-15
Tachometer ........................................................ 3-16
Fuel gauge ......................................................... 3-17
Temperature gauge ........................................... 3-18
Outside temperature indicator (if equipped) .. 3-19
Warning and indicator lights ....................... 3-20 Seatbelt warning light and chime .................... 3-20
SRS airbag system warning light .................... 3-20
CHECK ENGINE warning light/
Malfunction indicator lamp ........................... 3-21
Charge warning light ........................................ 3-22
Oil pressure warning light ............................... 3-22
AT OIL TEMPerature warning light (for AT vehicles) ............................................. 3-22
Rear differential oil temperature warning light
(WRX-STi) ........................................................ 3-23
ABS warning light ............................................. 3-23
Brake system warning light ............................. 3-24
Door open warning light .................................. 3-26
All-wheel drive warning light (for AWD AT vehicles – if equipped) ............ 3-26
Intercooler water spray warning light
(WRX-STi) ........................................................ 3-26
Selector lever position indicator (AT vehicles) ................................................... 3-27
Turn signal indicator lights .............................. 3-27
High beam indicator light.................................. 3-27
Cruise control indicator light ........................... 3-27
Cruise control set indicator light .................... 3-27
Driver’s control center differential auto indicator light (WRX-STi) ............................... 3-28
Driver’s control center differential indicator lights (WRX-STi) ............................. 3-28
Headlight indicator light (WRX-STi) ................ 3-28
REV indicator light (WRX-STi) ......................... 3-28
Clock .............................................................. 3-29
Light control switch ...................................... 3-30 Headlights ......................................................... 3-30

7-5
Starting and operating
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1. To open the fuel filler lid, pull the lid release lever
up. 1) Open
2) Close
2. Remove the fuel filler cap by turning it slowly coun-
terclockwise.
y Gasoline vapor is highly flammable. Before
refueling, always first stop the engine and make
sure that there are no lighted cigarettes, open
flames or electrical sparks in the adjacent area. y When opening the cap, do not remove the
cap quickly. Fuel may be under pressure and
spray out of the fuel filler neck especially in hot
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8-2
Driving tips
Driving tipsNew vehicle break-in driving – the
first 1,000 miles (1,600 km)
The performance and long life of your vehicle are de-
pendent on how you handle and care for your vehicle
while it is new. Follow these instructions during the
first 1,000 miles (1,600 km):y
Do not race the engine. And do not allow engine
speed to exceed 4,000 rpm except in an emergency.y Do not drive at one constant engine or vehicle
speed for a long time, either fast or slow. y Avoid starting suddenly and rapid acceleration, ex-
cept in an emergency. y Avoid hard braking, except in an emergency.
The same break-in procedures should be applied to
an overhauled engine, newly mounted engine or when
brake pads or brake linings are replaced with new
ones.
Fuel economy hints
The following suggestions will help to save your fuel. y Select the proper gear position for the speed and
road conditions. y Avoid sudden acceleration or deceleration. Always
accelerate gently until you reach the desired speed.
Then try to maintain that speed for as long as possible. y Do not pump the accelerator and avoid racing the
engine. y Avoid unnecessary engine idling.
y Keep the engine properly tuned.
y Keep the tires inflated to the correct pressure shown
on the tire placard, which is located under the door
latch on the driver’s side. Low pressure will increase
tire wear and fuel consumption.y Use the air conditioner only when necessary.
y Keep the front and rear wheels in proper alignment.
y Avoid carrying unnecessary luggage or cargo.

11 - 4
Maintenance and service
the materials in the vehicle may be hazardous if
improperly used or handled, for example, bat-tery acid. y
Your vehicle should only be serviced by per-
sons fully competent to do so. Serious person-
al injury may result to persons not experienced
in servicing vehicles. y Always use the proper tools and make certain
that they are well maintained. y Never get under the vehicle supported only
by a jack. Always use a safety stands to sup-
port the vehicle. y Never keep the engine running in a poorly
ventilated area, such as a garage or other
closed areas. y Do not smoke or allow open flames around
the fuel or battery. This will cause a fire. y Because the fuel system is under pressure,
replacement of the fuel filter should be per-
formed only by your SUBARU dealer.y Wear adequate eye protection to guard
against getting oil or fluids in your eyes. If
something does get in your eyes, thoroughly
wash them out with clean water. y Do not tamper with the wiring of the SRS air-
bag system or seatbelt pretensioner system, or
attempt to take its connectors apart, as that may activate the system or it can render it inop-
erative. The wiring and connectors of these
systems are yellow for easy identification. NEV-
ER use a circuit tester for these wiring.
If your SRS airbag or seatbelt pretensioner
needs service, consult your nearest SUBARU
dealer.
„ Before checking or servicing in the en-
gine compartment
yAlways stop the engine and set the parking
brake firmly to prevent the vehicle from mov-
ing. y Always let the engine cool down. Engine
parts become very hot when the engine is run-
ning and remain hot for some time after the en-
gine is stopped.y Do not spill engine oil, engine coolant, brake
fluid or any other fluid on hot engine compo-
nents. This may cause a fire.y Always remove the key from the ignition
switch. When the ignition switch is in the “ON”
position, the cooling fan may operate suddenly

11 - 4 8
Maintenance and service
not pressed against the curb when you park the
vehicle.y
If you feel unusual vibration while driving or find
it difficult to steer the vehicle in a straight line, one
of the tires and/or wheels may be damaged. Drive
slowly to the nearest authorized SUBARU dealer
and have the vehicle inspected. „ Tire pressures and wear
Maintaining the correct tire pressures helps to maxi-
mize the tires’ service lives and is essential for good
running performance. Check and, if necessary, adjust
the pressure of each tire (including the spare) at least
once a month (for example, during a fuel stop) and be-
fore any long journey. Check the tire pressures when the tires are cold. Use
a pressure gauge to adjust the tire pressures to the
values shown on the tire placard. The tire placard is lo-
cated on the door pillar on the driver’s side.
Driving even a short distance warms up the tires and
increases the tire pressures. Also, the tire pressures
are affected by the outside temperature. It is best to
check tire pressure outdoors before driving the vehi- cle.
When a tire becomes warm, the air inside it expands,
causing the tire pressure to increase. Be careful not to
mistakenly release air from a warm tire to reduce itspressure.
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11 -4 9
Maintenance and service
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NOTE yThe air pressure in a tire increases by approxi-
mately 4.3 psi (30 kPa, 0.3 kgf/cm 2
) when the tire
becomes warm. y The tires are considered cold when the vehicle
has been parked for at least three hours or has
been driven less than one mile (1.6 km).
Do not let air out of warm tires to adjust pres-
sure. Doing so will result in low tire pressure.
Incorrect tire pressures detract from controllability and
ride comfort, and they cause the tires to wear abnor-
mally. y
Correct tire pressure (tread worn evenly)
Roadholding is good, and steering is responsive. Roll-
ing resistance is low, so fuel consumption is also low-er.
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11 - 5 0
Maintenance and service
y
Abnormally low tire pressure (tread worn at
shoulders)
Rolling resistance is high, so fuel consumption is also
higher. y
Abnormally high tire pressure (tread worn in cen-
ter)
Ride comfort is poor. Also, the tire magnifies the ef-
fects of road-surface bumps and dips, possibly result-
ing in vehicle damage.
If the tire placard shows tire pressures for the vehicle
when fully loaded and for the vehicle when towing a
trailer, adjust the tire pressures to the values that
match current loading conditions.
Driving at high speeds with excessively low tire
pressures can cause the tires to deform severe-
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12-11
Specifications
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Vehicle identification
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1) Vehicle identification number
2) Vacuum hose connections la-bel/Emission control label
3) Tire inflation pressure label
4) Certification plate
5) Bar cord label (U.S. only)
6) Vehicle identification number
plate
7) Model number plate
8) Radio noise label (Canada only)
9) Fuel label