engine SUBARU LEGACY 2005 4.G Owner's Guide
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Instruments and controls
vehicle checked at a SUBARU dealer immediately. "
The light does not come on when the ignition switch
is turned to the “ON” position. " The light does not go out even after a period of
about 2 seconds after the ignition switch has been 
turned to the “ON” position. ! Vehicle Dynamics Control warn- 
ing light (if equipped)/Vehicle Dy-
namics Control OFF indicator 
light (if equipped)
This warning light has the function of indicating faults 
in the Vehicle Dynamics Control system and the func- 
tion of indicating that the Vehicle Dynamics Control
system has been deactivated. 
It comes on in the event of a fault in the system and is 
on when the system is not operating.
This warning light comes on when the ignition switch 
is turned to the “ON” position and goes out after the 
engine has started. It indicates that the Vehicle Dy-
namics Control system is in normal operation. ! Vehicle Dynamics Control warning light
The Vehicle Dynamics Control system is probably in- 
operative under any of the following conditions. Have
your vehicle checked at a SUBARU dealer immediate- ly."
The warning light does not come on when the igni-
tion switch is turned to the “ON” position. " The warning light comes on while the vehicle is run-
ning. " If the electrical circuit of the Vehicle Dynamics Con-
trol system itself becomes faulty, the warning light only
comes on. At this time, the ABS (Anti-lock Brake Sys-
tem) remains fully operational. " The warning light comes on when the electronic
control system of the ABS/Vehicle Dynamics Control 
system becomes faulty. 
The Vehicle Dynamics Control system provides its 
ABS control through the electrical circuit of the ABS
system. Accordingly, if the ABS is inoperative, the Ve- 
hicle Dynamics Control system becomes unable to 
provide ABS control. As a result, the Vehicle Dynam-
ics Control system also becomes inoperative, causing 
the warning light to come on. Though both the Vehicle 
Dynamics Control and ABS systems are inoperative in
this case, the ordinary functions of the brake system 
are still available. You will be safe while driving with 
this condition, but have your vehicle checked at a
SUBARU dealer as soon as possible.
NOTE 
If the warning light behavior is as shown below, 
the Vehicle Dynamics Control system may be con- 
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Instruments and controls
– CONTINUED  –
sidered normal. "The warning light comes on right after the en-
gine is started but goes out immediately, remain- 
ing off. " The warning light comes on after engine startup
and goes off while the vehicle is subsequently be- 
ing driven. " The warning light comes on during driving, but
it goes out immediately and remains off. ! Vehicle Dynamics Control OFF indicator light
" It comes on when the Vehicle Dynamics Control
OFF switch is pressed. " It also comes on when the Vehicle Dynamics Con-
trol system is deactivated.
NOTE " The light may stay on for a while after the engine
has been started, especially in cold weather. This 
does not indicate the existence of a problem. The
light should go out as soon as the engine has 
warmed up. " The indicator light comes on when the engine
has developed a problem and the Malfunction in- 
dicator light is on. 
The Vehicle Dynamics Control system is probably 
faulty under the following condition. Have your vehicle checked at a SUBARU dealer as soon as possible."
The light does not go out even after the lapse of sev-
eral minutes (the engine has warmed up) after the en- 
gine has started. ! Security indicator light                      
This indicator light shows the status of the alarm sys- 
tem. If your vehicle is equipped with an immobilizer, it
also indicates operation of the immobilizer system. ! Alarm system
It blinks to show the driver the operational status of the 
alarm system. For detailed information, refer to the
“Alarm system” in Chapter 2. ! Immobilizer system (if equipped)
This light blinks about 60 seconds after the ignition 
switch is turned from “ON” position to the “ACC” or
“LOCK” position or immediately after the key is pulled 
out. (Refer to the “Door locks” section in chapter 2.) 
If the indicator light does not flash, it may indicate that 
immobilizer system may be faulty. Contact your near- 
est SUBARU dealer immediately. 
In the event that an unauthorized key (for example, an 
unauthorized duplicate) is used, the security indicator 
light comes on. 
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Instruments and controls
!
SPORT mode indicator light (AT  
vehicles)
This light comes on when the ignition switch is turned 
to the “ON” position and goes out after the engine has 
started. When the selector lever is moved to the man-
ual gate, the SPORT mode is selected and the indica- 
tor light comes on. (Refer to the “Automatic transmis- 
sion – 4 speed” or “Automatic transmission – 5 speed”
section in chapter 7.) ! Selector lever position indicator (AT  
vehicles)
This indicator shows the position of the selector lever. !
Gear position indicator (AT vehicles)
When the manual mode is selected, the gear position 
indicator (which shows the current gear selection) and 
the upshift/downshift indicator light up. (Refer to the 
“Automatic transmission – 4 speed” or “Automatic
transmission – 5 speed” section in chapter 7.) ! Turn signal indicator lights            
These lights show the operation of the turn signal or 
lane change signal. 
If the indicator lights do not blink or blink rapidly, the
turn signal bulb may be burned out. Replace the bulb 
as soon as possible. Refer to the “Replacing bulbs”
UB3532AA
UB7527CA 
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Instruments and controls
Canada-spec. vehicles
The outside temperature indicator shows the outside 
temperature in a range from –22 to 122 °F (–30 to
50 °C).
The indicator can give a false reading under any of the
following conditions:" When there is too much sun.
" During idling; while running at low speeds in a traffic
jam; when the engine is restarted immediately follow-
ing a shutdown. " When the actual outside temperature falls outside
the specified indicator range. !
Road surface freeze warning indication
U.S.-spec. vehicles
UB3567AA
UB3201BA 
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Instruments and controls
The journey time indication flashes each time a com- 
plete hour has elapsed. If the display is giving an indi- 
cation other than the journey time, the display switch-
es to the journey time, flashes for five seconds, and re- 
turns to its original indication each time a complete 
hour has elapsed.
NOTE 
The journey time is reset when the ignition switch 
is turned to the “OFF” position. It is also reset if
the ignition switch is turned to the “LOCK” or 
“ACC” position prior to restarting of the engine.
Light control switch
To prevent battery discharge resulting from ac- 
cidentally leaving your lights on when your ve-
hicle is parked, the light switch operates only 
when the ignition switch is in the “ON” posi- 
tion. In any other position, the vehicle’s lights
will be out. 
If you park your vehicle on a roadside at night, 
use the hazard warning flasher to alert the other
drivers.
The light switch operates only when the ignition switch 
is in the “ON” position.UB3540AA 
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Instruments and controls
!
Headlight flasher
Do not hold the lever in the flashing position for
more than just a few seconds.
To flash the headlights, pull the lever toward you and 
then release it. The high beam will stay on for as long 
as you hold the lever. The headlight flasher works 
even though the lighting switch is in the “OFF” posi-tion. 
When the headlights are on high beam, the high beam indicator light “ ” on the instrument panel also 
comes on. !
Daytime running light system
The tail lights, parking lights, and side marker 
lights are not turned on by the daytime running
light system. The light switch must always be 
turned to the “ ” position when it is dark
outside.
The low beam headlights will automatically come on at 
reduced brightness when the engine has started, un- 
der the following conditions:" The parking brake is fully released.
" The light switch is in the “OFF” or “ ” position.
UB3205CA 
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4-1
4
Climate control
Ventilator ....................................................... 4-2 Air flow selection  .............................................. 4-2 
Center and side ventilators .............................. 4-3
Manual climate control system  (if equipped)  ............................................... 4-4Control panel ..................................................... 4-4 
Heater operation  ............................................... 4-7
Air conditioner operation  ................................. 4-9
Automatic climate control system  (if equipped)  ............................................... 4-10Temperature sensors  ....................................... 4-16
Operating tips for heater and  air conditioner  ........................................... 4-17Cleaning ventilator grille  .................................. 4-17 
Efficient cooling after parking in direct  sunlight ........................................................... 4-18
Lubrication oil circulation in the refrigerant 
circuit .............................................................. 4-18
Checking air conditioning system  before summer season  .................................. 4-18
Cooling and dehumidifying in high humidity  and low temperature weather condition  ...... 4-18
Air conditioner compressor shut-off 
when engine is heavily loaded ...................... 4-18
Refrigerant for your climate control system  .. 4-18
Air filtration system (if equipped)  ................ 4-19 
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Climate control
: Air flows through the instrument panel outlets,
the windshield defroster outlets, and the foot outlets.
: Air flows through the instrument panel outlets
and the windshield defroster outlets.
NOTE 
In a vehicle equipped with an air conditioner, when 
the dial is placed in the “ ” position or “ ” 
position the air conditioner compressor automati- 
cally operates to quickly defog the windshield.
However the indicator on the air conditioner but- 
ton will not come on. At the same time, the air inlet 
selection is automatically set to “outside air”mode. 
In this state, you cannot select “recirculation” 
mode by manually pressing the air inlet selectionbutton. 
Also, you cannot stop the air conditioner com- 
pressor by pressing the air conditioner button. !
Air conditioner button
The air conditioner operates only when the engine is 
running. 
Push the air conditioner button while the fan is in op- 
eration to turn on the air conditioner. The indicator light 
will come on. 
Push it again to turn off the air conditioner.
UB4518BA 
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Climate control
NOTE 
In a vehicle equipped with an air conditioner, when 
the dial is placed in the “ ” position or “ ”
position the air conditioner compressor automati- 
cally operates to quickly defog the windshield. 
However the indicator on the air conditioner but-
ton will not come on. At the same time, the air inlet 
selection is automatically set to “outside air” mode.
In this state, you cannot select “recirculation” 
mode by manually pressing the air inlet selection button.
Also, you cannot stop the air conditioner com- 
pressor by pressing the air conditioner button.
Automatic climate control system (if 
equipped)
NOTE "
Operate the automatic climate control system
when the engine is running. " The blower fan rotates at a low speed when the
engine coolant temperature is low. 
For efficient defogging or dehumidifying in cold 
weather, press the “A/C” button. " Even when cooling is not necessary, setting the
temperature much lower than the current outlet air 
temperature turns on the air conditioner compres- 
sor automatically and the “A/C” indicator light on
the control panel comes on. 
The automatic climate control system automatically 
controls outlet air temperature, fan speed, air flow dis-
tribution air-inlet control, and air conditioner compres- 
sor operation. It activates when the “AUTO” button is 
pressed, and is used to maintain a constant, comfort-
able climate within the passenger compartment. 
The temperature can be set within a range of 65 to 85 °F (18 to 32 °C). 
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Climate control
!
Efficient cooling after parking in direct  
sunlight
After parking in direct sunlight, drive with the windows 
open for a few minutes to allow outside air to circulate 
into the heated interior. This results in quicker cooling
by the air conditioner. Keep the windows closed during 
the operation of the air conditioner for maximum cool- ing efficiency. ! Lubrication oil circulation in the refrig- 
erant circuit
Operate the air conditioner compressor at a low en- 
gine speed (at idle or low driving speeds) a few min- 
utes each month during the off-season to circulate its 
oil. ! Checking air conditioning system be- 
fore summer season
Check the air conditioner unit for refrigerant leaks, 
hose conditions, and proper operation each spring. 
Have your SUBARU dealer perform this check. !
Cooling and dehumidifying in high hu- 
midity and low temperature weather  condition
Under certain weather conditions (high relative humid- 
ity, low temperatures, etc.) a small amount of water 
vapor emission from the air outlets may be noticed.
This condition is normal and does not indicate any 
problem with the air conditioning system. ! Air conditioner compressor shut-off  
when engine is heavily loaded
To improve acceleration and gas mileage, the air con- 
ditioner compressor is designed to temporarily shut off
during air conditioner operation whenever the acceler- 
ator is fully depressed such as during rapid accelera- 
tion or when driving on a steep upgrade. ! Refrigerant for your climate control  system
Your air conditioner uses ozone friendly refrigerant 
HFC134a. Therefore, the method of adding, changing 
or checking the refrigerant is different from the method 
for CFC12 (freon). Consult your SUBARU dealer for
service. Repairs needed as a result of using the wrong 
refrigerant are not covered under warranty.