Lexus RX450H Manual page 300

CAUTION

Caution when using the Lexus parking assist-sensor
Observe the following precautions.
Failing to do so may result in the vehicle being unable to be driven safely
and possibly cause an accident.

Do not use the sensor at speeds in excess of 10 km/h (6 mph).

Do not attach any accessories within the sensor range.
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 malfunctioning.

Conditions possibly indicating system malfunctions
If any of the following occurs, the system may be malfunctioning due to a
sensor failure etc. Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional.

The buzzer does not sound when the Lexus parking assist-sensor mode is
set.

The sensor operation display flashes and the buzzer sounds even when no
obstacle is detected.

An area of the sensors is hit or subjected to a strong impact.

Either bumper is hit.

The sensor operation display remains on even though no buzzer sounds.
RX450h_EE
2-4. Using other driving systems
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