Toyota PRIUS Owner's Manual page 412

412
4-5. Using the driving support systems
●
Influence from other sonic waves
• An ultrasonic wave source is nearby, such as the horn or clearance sonar
of another vehicle, a vehicle detector, a motorcycle engine or the air
brake of a large vehicle
• Electronic components (such as a backlit license plate (especially fluo-
rescent types), fog lights, a fender pole or a wireless antenna) are
installed near the sensors
●
Changes in the vehicle
• The vehicle is tilted a large amount
• The height of the vehicle has drastically changed due to the carried load
(the nose tilts up or down)
• The direction of the sensor has deviated due to a collision or other impact
■
Intelligent Clearance Sonar function while the Simple Intelligent Parking
Assist System is operating
→P. 417
■
When removing and installing the 12-volt battery
The system needs to be initialized.
The system can be initialized by driving the vehicle straight ahead for 5 sec-
onds or more at a speed of approximately 35 km/h (22 mph) or higher.
■
When "ICS Unavailable" is displayed on the multi-information display
and the ICS OFF indicator flashes
●
Ice, snow, dirt, etc., may have adhered to the sensor. If this occurs, remove
the ice, snow, dirt, etc., from the sensor to return the system to normal.
Also, a warning message may be displayed at low temperatures due to ice
forming on the sensor, and the sensor may not detect obstacles. Once the
ice melts, the system will return to normal.
●
If this message is shown even after removing dirt from the sensor, or shown
when the sensor was not dirty to begin with, have the vehicle inspected at
any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional.
● System initialization may not have been performed after removal and instal-
lation of the 12-volt battery. Perform system initialization.
■
When "ICS Malfunction Visit Your Dealer" is displayed on the multi-infor-
mation display, the ICS OFF indicator flashes and the buzzer sounds
The system may not be operating properly. Have the vehicle inspected at any
authorized Toyota dealer or repairer, or another duly qualified and equipped
professional.
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