420
3-2. Using the air conditioning system and defogger
■ To prevent the windshield from fogging up
Do not use during cool air operation in extremely humid weather. The dif-
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.
■ To prevent 12-volt battery discharge
RX350
Do not leave the air conditioning system on longer than necessary when the engine
is off.
RX450h
Do not leave the air conditioning system on longer than necessary when the hybrid
system is off.