Lexus GS430 User Manual page 210

OCCUPANT RESTRAINT SYSTEMS
G16042
CAUTION
D Never install a rear−facing child restraint system on
the front passenger seat. In the event of an accident,
the force of the rapid inflation of the front passenger
airbag can cause death or serious injury to the child
if the rear−facing child restraint system is installed
on the front passenger seat.
186
G16043
D If the driver's seat position does not allow sufficient
space for safe installation, install the child restraint
system on the rear right seat.