Lexus LX 470 1998 Owner's Manual page 208

D Selecting the high mode:
Push the height select switch on the "Y" side when the vehicle speed
is under about 30 km/h (19 mph).
To change the normal mode to high, push the switch once.
To change the low mode to high, push the switch twice. It takes
about 30 seconds until the low mode changes to the high mode.
D Selecting the normal mode:
To change the high mode to normal, push the height select switch
on the "B" side once.
To change the low mode to normal, push the height select switch
on the "Y" side once.
D Selecting the low mode:
Push the height select switch on the "B" side while the vehicle is
stopped.
To change the high mode to low, push the switch twice.
To change the normal mode to low, push the switch once.
NOTICE
Do not select the low mode on bumpy roads. If the underbody
of the vehicle touches the rugged road surface, the vehicle may
be damaged.
Even if the engine is stopped while the vehicle height is being
lowered, the operation continues for up to 12 seconds.
STARTING AND DRIVING
(e) Turning off the active height control
suspension
31X051b
To turn off the active height control suspension with the vehicle
stopped, push the height control switch. The height control
"OFF" indicator light comes on and the vehicle height is fixed in
the same mode as the height control switch is pushed.
This status is memorized in the system even after the engine is
stopped.
If you push the switch again, the height control "OFF" indicator light
goes out and the active height control suspension is turned on.
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