3405-2. Using the air conditioning system and defogger
HIGHLANDER HV_U
■Customization
Some functions can be customized. 
(  P.526)
Air conditioning sys-
tem lubricant type
Requires registered 
technician to service 
air conditioning sys-
tem
Flammable refrigerant
WA R N I N G
■To prevent the windshield 
from fogging up
Do not use the windshield defog-
ger switch during cool air opera-
tion in extremely humid weather. 
The difference between the tem-
perature of the outside air and 
that of the windshield can cause 
the outer surface of the wind-
shield to fog up, blocking your 
vision.
■When the outside rear view 
mirror defoggers are operat-
ing
Do not touch the rear view mirror 
surfaces when the outside rear 
view mirror defoggers are on.
■When the windshield wiper 
de-icer is operating
Do not touch the glass at lower 
part of the windshield or to the 
side of the front pillars when the 
windshield wiper de-icer is on.
NOTICE
■To prevent 12-volt battery dis-
charge
Do not leave the air conditioning 
system on longer than necessary 
when the hybrid system is off.
■When repairing/replacing 
parts of the air conditioning 
system
Have repair/replacement per-
formed by your Toyota dealer.
When a part of the air conditioning 
system, such as the evaporator, is 
to be replaced, it must be 
replaced with a new one. 
3425-2. Using the air conditioning system and defogger
HIGHLANDER HV_UWhen the windshield defogger 
switch is on, the indicator illumi-
nates on the windshield defogger 
switch.
■Defogging the rear window 
and outside rear view mir-
rors
Defoggers are used to defog the 
rear window and to remove rain-
drops, dew and frost from the 
outside rear view mirrors.
Press the rear window defogger 
and outside rear view mirror 
defoggers switch.
When the rear window defogger 
and outside rear view mirror defog-
gers switch is on, t he indicator illu-
minates on the rear window 
defogger and outside rear view mir-
ror defoggers switch.
The defoggers will  automatically 
turn off after a while.
■Air conditioning filter
 P. 4 3 3
■Air conditioning system refrig-
erant
●A label regarding the refrigerant of 
the air conditioning system is 
attached to the ho od at the loca-
tion shown in the f ollowing illustra-
tion.
●The meaning of each symbol on 
the label are as follows:
■Customization
Some functions can be customized. 
(  P.526)
Caution
Air conditioning sys-
tem
Air conditioning sys-
tem lubricant type
Requires registered 
technician to service 
air conditioning sys-
tem
Flammable refrigerant
WA R N I N G
■To prevent the windshield 
from fogging up
Do not use the windshield defog-
ger switch during cool air opera-
tion in extremely humid weather. 
The difference between the tem-
perature of the outside air and 
that of the windshield can cause 
the outer surface of the wind-
shield to fog up, blocking your 
vision.
■When the outside rear view 
mirror defoggers are operat-
ing
Do not touch the rear view mirror 
surfaces when the  outside rear 
view mirror def oggers are on.
NOTICE
■To prevent 12-volt battery dis-
charge
Do not leave the air conditioning 
system on longer than necessary 
when the hybrid system is off.