Lexus 2004 GX470 Owner's Manual page 400

NOTICE
D When jacking up or installing tire chains, be sure to
turn off the rear height control air suspension with
the "HEIGHT CONTROL OFF" switch and stop the
engine. Otherwise, the vehicle height may change
because of the automatic leveling function resulting
in accident.
D If your vehicle must be towed, put the vehicle height
in the "N" mode and turn off the rear height control air
suspension. Otherwise, the vehicle height may
change because of the automatic leveling function
resulting in accident.
D If your vehicle gets ditched, turn off the rear height
control air suspension with the "HEIGHT CONTROL
OFF" switch. Otherwise, the vehicle height may
change because of the automatic leveling function
resulting in accident.
STARTING AND DRIVING
385