Toyota Lexusc Owner's Handbook Manual page 576

D Make sure to set the jack properly in the jack
point. Raising the
improperly positioned will damage the vehicle
or may allow the vehicle to fall off the jack
and cause personal injury.
D Never get under the vehicle when the vehicle
is supported by the jack alone.
D Use the jack only for lifting your vehicle
during wheel changing.
D Do not raise the vehicle with someone in the
vehicle.
D When raising the vehicle, do not place any
objects on top of or underneath the jack.
D Raise the vehicle only high enough to remove
and change the tire.
D Vehicles with electronically modulated air
suspension: When jacking up, be sure to turn
off the height control and stop the engine.
Otherwise, the vehicle height may change in
the automatic leveling function, resulting in
an unexpected accident.
page 496.
vehicle with jack
For details, see
IN CASE OF AN EMERGENCY
557