Lexus GS450h2016 Service Manual page 298

298
5-2. Using the air conditioning system and defogger
Button lock function
■
To prevent inadvertent operation, the buttons on
the rear armrest can be locked. Press
until you hear a beep to lock the buttons. Press-
ing again until you hear a beep will
release the lock.
The indicator appears on the display when the
buttons are locked.
Rear control panel illumination off function
■
Control panel illumination on the rear armrest
can be turned off. Press
beep to turn the illumination off. Pressing
again until you hear a beep will turn the illumina-
tion on.
NOTICE
To prevent 12-volt battery discharge
■
Do not leave the air conditioning system on longer than necessary when the hybrid sys-
tem is off.
GS450h_OM_OM30E99U_(U)
until you hear a