2002 SUBARU IMPREZA Owners Manual

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 4-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air conditioner operation 4-8 . . . . . . . . . . . . . . . . . . . . . . . .
Operating tips for heater and air
conditioner 4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning ventilator grille 4-10 . . . . . . . . . . . . . . . . . . . . . . . . .
Efficient cooling after parking in direct sunlight 4-10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubrication oil circulation in the refrigerant
circuit 4-10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking air conditioning system before summer season 4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cooling and dehumidifying in high humidity and low temperature weather condition 4-11 . . . . .
Air conditioner compressor shut-off when engine is heavily loaded 4-11 . . . . . . . . . . . . . . . . . . . . . . . .
Refrigerant for your climate control system 4-11 . .
Air filtration system (if equipped) 4-12 . . . . . . . . . . . . .
Climate control

Climate control
4-2
Ventilator Air flow selection
HG4003BA

Climate control
4-3
– CONTINUED –
Center and side ventilators
Center ventilators
HG4030BA
Move the tab up and down or right and left to adjust
the flow direction.
Side ventilators
HG4031BB
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
HG4021BB
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.

Climate control
4-5
– CONTINUED –
Air conditioner button (if equipped)
HB5010BB
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
: Interior air is recirculated inside the vehicle.: 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
HG4023AA
To direct warm air to the windshield and front door windows:
1. Set the air inlet selection lever to the “
”
position.

Climate control
4-6
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 “
” position is selected, the air condi-
tioner automatically operates regardless of the posi-
tion of the air conditioner button. 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 and defrosting
HG4024AA
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. 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
HG4025AA

Climate control
4-7
– CONTINUED –
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.
3. Set the temperature control dial to the most com-
fortable 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 out-lets, turn the corresponding knob clockwise.
Bi-level heating
HG4026AA
This setting allows you to direct air of different tem-
peratures from the instrument panel and foot outlets.
The air from the foot outlets is slightly warmer than
from the instrument panel outlets.
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 desired
temperature level.
4. Set the fan speed control dial to the desiredspeed.
Setting the temperature control dial fully turned to
the red area or blue area decreases the temperature
difference between the air from the instrument panel
outlets and the air from the foot outlets.