2003 SUBARU LEGACY heating

ii
How to use this owner
’s manual
Using your Owner ’s manual
Before you operate your vehicle, carefully read this manual. To protect yourself and extend the service life of your vehicle, follow the instructions
in this manual. Failure to observe these instructions may result in serious
injury and damage to your vehicle.
This manual is composed of fourteen chapters. Each chapter begins with a brief table of contents, so you can usually tell at a glance if that
chapter contains the information you want. Chapter 1: Seat, seatbelt and SRS airbags
This chapter informs you how to use the seat and seatbelt and contains
precautions for the SRS airbags.Chapter 2: Keys and doors
This chapter informs you how to operate the keys, locks and windows.Chapter 3: Instruments and controls
This chapter informs you about the operation of instrument panel indica-tors and how to use the instruments and other switches.Chapter 4: Climate control
This chapter informs you how to operate the climate control.Chapter 5: Audio
This chapter informs you how to operate your audio system.Chapter 6: Interior equipment
This chapter informs you how to operate interior equipment.Chapter 7: Starting and operating
This chapter informs you how to start and operate your SUBARU.Chapter 8: Driving tips
This chapter informs you how to drive your SUBARU in various condi-tions and explains some safety tips on driving.Chapter 9: In case of emergency
This chapter informs you what to do if you have a problem while driving,
such as a flat tire or engine overheating.Chapter 10: Appearance care
This chapter informs you how to keep your SUBARU looking good.

1
Seat, seatbelt and SRS airbags1-9
–
CONTINUED –
Seat heater (if equipped)
CAUTION
Use of the seat heater for a long period of time while the
engine is not running can cause battery discharge. Do not put anything on the seat which insulates against heat,
such as a blanket, cushion, or similar items. This may cause theseat heater to overheat. When cleaning the seat, do not use benzine, paint thinner, or
any similar materials.
The seat heater operates when the ignition switch is either in the “ACC”
or “ON” position.
HB1073BB
HB1093BB
To turn on the seat heater, push the “LO” or “HI” position on the switch,
as desired, depending on the temperature. Selecting the “HI” position
will cause the seat to heat up quicker. LO: Normal heating
HI: Rapid heating
The indicator located on the switch comes on when the seat heater is in
operation. When the vehicle ’s interior is warmed enough or before you
leave the vehicle, be sure to turn the switch off.

3-24Fog light switch (if equipped)
The fog lights operate only when the headlights are on low beam. Push
the fog light switch to turn the fog lights on.
Press the switch again to turn them off.
HB2025BB
The indicator light located on the switch will illuminate when the fog
lights are on.
Wiper and washer
WARNING
In freezing weather, do not use the windshield washer until the
windshield is sufficiently warmed by the defroster.Otherwise the washer fluid can freeze on the windshield, blocking
your view.
CAUTION
Do not operate the washer continuously for more than ten se-
conds, or when the washer fluid tank is empty. This may cause
overheating of the washer motor. Check the washer fluid level fre-
quently, such as at fuel stops.

3
Instruments and controls3-29
–
CONTINUED –
Rear window defogger switch
CAUTION
Do not use sharp instruments or window cleaner containing
abrasives to clean the inner surface of the rear window. They may
damage the conductors printed on the window. To prevent the battery from being discharged, do not operate
the defogger continuously for any longer than necessary.
The rear window defogger operates only when the ignition switch is inthe “ON” position.
The rear window defogger switch is located on the climate control panel.
The defogger will automatically shut off after about 15 minutes. If the win-
dow clears before that time, push the switch to turn it off. It also turns off
when the ignition switch is turned to the “ACC” or “LOCK” position. If
defrosting or defogging is desired when you restart your vehicle, you
have to push the switch to turn it on again.
For vehicles with manual heating and air conditioning systems
HB5009BB
To turn on the defogger, push the switch. To turn it off, push the switch again.
The indicator light located on the switch lights up while the rear win-dow defogger is operating.

4
Climate control
Ventilator4-2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual heating and air conditioning system 4-4 . . . . . . . . . . . . . . . . . . . .
Heater operation 4-7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air conditioner operation 4-10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic climate control system (if equipped) 4-12 . . . . . . . . . . . . . . .
Operating tips for heater and air conditioner 4-20 . . . . . . . . . . . . . . . . . . .
Air filtration system (if equipped) 4-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-4
Manual heating and air conditioning system
Control panel
HB5004BC
1. Temperature control dial
2. Fan speed control dial
3. Air flow control dial
4. Air conditioner button
5. Air inlet selection button
6. Rear window defogger button (Refer to “Rear window defogger ” in
chapter 3.) n Temperature control dial
This dial regulates the temperature of air flow from the air outlets over
a range from the blue area (cool) to red area (warm). n Fan speed control dial
The fan operates only when the ignition switch is turned to the “ON”
position. The fan speed control dial is used to select four fan speeds. n Air flow control dial
This dial has the following five positions:
: Air flows through the instrument panel outlets.
: Air flows through the instrument panel outlets and the footoutlets.

4
Climate control4-7
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CONTINUED –

Heater operation Defrosting or defogging the windshield
HB5011AA
To direct warm air to the windshield and front door windows:
1. Set the air flow control dial to the “
” position.
2. Turn the temperature control dial all the way to the right.
3. Set the fan speed control dial to the highest speed. NOTE
Warm air also comes out from the right and left air outlets. To
stop warm air flow from these outlets, turn the correspondingthumb-wheel to the “
” position.
Heating and defrosting
HB5012AA

4-8To direct warm air toward the floor and the windshield:
1. Set the air flow control dial to the
“
” position.
2. Set the temperature control dial to the most comfortable level.
3. Set the fan speed control dial to the desired speed. NOTE
Warm air also comes out from the right and left air outlets. To
stop warm air flow from these outlets, turn the correspondingthumb-wheel to the “
” position.
Heating
HB5013AA
To direct warm air toward the floor:
1. Set the air inlet selection button to the “OFF” position
2 Set the air flow control dial to the “
” position.
3. Set the temperature control dial to the most comfortable level.
4. Set the fan speed control dial to the desired speed. NOTE
Warm air also comes out from the right and left air outlets. To
stop warm air flow from these outlets, turn the correspondingthumb-wheel to the “
” position.