Toyota PRIUS Manual page 391

CAUTION
 When the sensor may not be correctly detecting the vehicle ahead
Apply the brakes as necessary in any of the following situations.
 When water or snow thrown up by the surrounding vehicles hinders the
functioning of the sensor
 When your vehicle is pointing upwards (caused by a heavy load in the lug-
gage compartment etc.)
 Vehicles that cut in suddenly
 Vehicles with small rear ends (trailers with no load on board etc.)
 Motorcycles traveling in the same lane
 Handling the radar sensor
Observe the following to ensure the pre-crash safety system can function
effectively:
 Keep the sensor and grille cover clean at all times.
Clean the sensor and grille cover with a soft cloth so you do not mark or
damage them.
 Do not subject the sensor or surrounding area to a strong impact.
If the sensor moves even slightly off position, the system may become
inaccurate or malfunction. If the sensor or surrounding area is subject to a
strong impact, always have the area inspected and adjusted by any autho-
rized Toyota dealer or repairer, or another duly qualified and equipped pro-
fessional.
 Do not disassemble the sensor.
Do not attach accessories or stickers to the sensor, grille cover or sur-

rounding area.
 Do not modify or paint the sensor and grille cover.
PRIUS PHV_OM_OM47831E_(EE)
2-4. Using other driving systems
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