2003 SUBARU IMPREZA Owners Manual

Instruments and controls
3-32
WARNING
Do not adjust the steering wheel tilt position while driving. This may cause loss of vehicle
control and result in personal injury.Horn
To sound the horn, push the horn pad.

4
4-1
– CONTINUED –
Ventilator 4-2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air flow selection 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Center and side ventilators 4-3 . . . . . . . . . . . . . . . . . . . . . .
Climate control system 4-4 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control panel 4-4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heater operation 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air conditioner operation (if equipped) 4-9 . . . . . . . .
Operating tips for heater and air
conditioner 4-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning ventilation grille 4-11 . . . . . . . . . . . . . . . . . . . . . . . .
Efficient cooling after parking in direct sunlight 4-11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubrication oil circulation in the refrigerant
circuit 4-11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking air conditioning system before summer season 4-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cooling and dehumidifying in high humidity and low temperature weather conditions 4-12 . . .
Air conditioner compressor shut-off when engine is heavily loaded 4-12 . . . . . . . . . . . . . . . . . . . . . . . .
Refrigerant for your climate control system 4-12 . .
Air filtration system (if equipped) 4-13 . . . . . . . . . . . . .
Climate control

Climate control
4-2
Ventilator Air flow selection

Climate control
4-3
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Center and side ventilators
Center ventilators
Move the tab up and down or right and left to adjust
the flow direction.
Side ventilators
1) Open 2) Close
Move the knob in any direction you prefer to adjust
the flow direction.
To open the ventilator, turn the knob counterclock-wise.
To close the ventilator, turn the knob clockwise.

Climate control
4-4
Climate control system Control panel
1) Air inlet selection lever
2) Air conditioner button (if equipped)
3) Rear window defogger button (Refer to the “Rear
window defogger ” in chapter 3.)
4) Air flow control dial
5) Fan speed control dial
6) Temperature control dial
Temperature control dial
This dial regulates the temperature of air flow from
the air outlets over a range from the blue side (cool) to red side (warm).
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.
Air flow control dial
This dial has the following five positions:
: Air flows through the instrument panel out-lets.
: Air flows through the instrument panel outlets and the foot outlets.
: Air flows through the foot outlets and some through the windshield defroster outlets.
: Air flows through the windshield defroster outlets and foot outlets.
: Air flows through the windshield defroster outlets.
NOTE You will find the notation “USE WITH
” on
the air flow control dial plate. This is intended to remind you to set the air inlet
selection lever in the “
” position when
defogging the windshield.

Climate control
4-5
– CONTINUED –
Defogging with the air inlet selection lever set in the “” position provides better defogging
performance than in the “” position.
When the dial is placed in the “” or
“” position, the air conditioner compressor
operates automatically regardless of the position of the air conditioner button to defog the wind-
shield quickly.However the indicator on the air conditioner but-ton will not come on.Also, you cannot stop the air conditioner com-pressor by pressing the air conditioner button.
Air conditioner button (if equipped)
1) Push
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. Air inlet selection lever
(Recirculation): Interior air is recirculated in-
side the vehicle.

Climate control
4-6
(Outside air): Outside air is drawn into the
passenger compartment.
WARNING
Continued operation in the position may
fog up the windows. Switch to the posi-
tion as soon as the outside dusty condition clears.
Heater operation
Defrosting or defogging the windshield
To direct warm air to the windshield and front door windows:
1. Set the air inlet selection lever to the “
”
position.
2. Set the air flow control dial to the “
” position.
3. Turn the temperature control dial all the way to the right.
4. Set the fan speed control dial to the highestspeed.
If your vehicle is equipped with an air conditioner,when the “
” or “” position is selected, the
air conditioner compressor automatically operates
regardless of the position of the air conditioner but-
ton to defog the windshield quickly.
However, the air conditioner indicator light does not
come on at this time. NOTE
Warm air also comes out from the right and left
air outlets. To stop warm air flow from these out- lets, turn the corresponding knob clockwise.

Climate control
4-7
– CONTINUED –
Heating and defrosting
To direct warm air toward the floor and the wind- shield:
1. Set the air inlet selection lever to the “
”
position.
2. Set the air flow control dial to the “
” position.
3. Set the temperature control dial to the most com-
fortable level.
4. Set the fan speed control dial to the desiredspeed.
If your vehicle is equipped with an air conditioner,when the “
” or “” position is selected, the
air conditioner compressor automatically operates
regardless of the position of the air conditioner but- ton to defog the windshield quickly.
However, the air conditioner indicator light does not
come on at this time. NOTE
Warm air also comes out from the right and left
air outlets. To stop warm air flow from these out-lets, turn the corresponding knob clockwise.
Heating
To direct warm air toward the floor:
1. Set the air inlet selection lever to the “”
position
2. Set the air flow control dial to the “
” position.