Lexus RX450H Navigation System Owner's Manual page 408

2. INTUITIVE PARKING ASSIST
 The shape of the obstacle may prevent a
sensor from detecting it. Pay particular
attention to the following obstacles:
• Wires, fences, ropes, etc.
• Cotton, snow and other materials that
absorb sound waves
• Sharply-angled objects
• Low obstacles
• Tall obstacles with upper sections project-
ing outwards in the direction of your vehi-
cle
CAUTION
●Caution when using the intuitive parking
assist-sensor
Observe the following precautions.
Failing to do so may result in the vehicle
being unable to be driven safely and pos-
sibly cause an accident.
• Do not use the sensor at speeds in
excess of 6 mph (10 km/h).
• Do not attach any accessories within
the sensor range.
●Even though sensors which are function-
ing properly continue to detect obstacles,
never use the intuitive parking assist if
one more sensor(s) may be malfunction-
ing.
408
NOTICE
●Notes when washing the vehicle
●Do not apply intensive bursts of water or
steam to the sensor area.
●Doing so may result in the sensor mal-
functioning.
●As the intuitive parking assist-sensor
might be malfunctioning in the following
cases, have it checked by your Lexus
dealer.
• The graphic which indicates that an
obstacle has been detected does not
come on and a beep does not sound
even when the intuitive parking assist
mode is turned on.
• The graphic which indicates that an
obstacle has been detected comes on
despite no obstacle around the vehicle.
• If your vehicle has been involved in an
accident.
• If the graphic which indicates that an
obstacles has been detected remains
on without a beeping sound.