Lexus LS 600h L 2012 Owner's Manual page 357

3-2. Using the air conditioning system and defogger
CAUTION
To prevent the windshield from fogging up
■
Do not use
ference between the temperature of the outside air and that of the windshield can
cause the outer surface of the windshield to fog up, blocking your vision.
NOTICE
To prevent 12-volt battery discharge
■
Do not leave the air conditioning system on longer than necessary when the hybrid
system is off.
354
during cool air operation in extremely humid weather. The dif-