Lexus CT200h Owner's Manual page 280

2-4. Using other driving systems

Navigation system screen display (if equipped)
If an obstacle is detected while the vehicle is reversing, the warning indica-
tor will appear in the top right of the screen even if the display setting has
been set to off.

If a message is displayed
P. 578
CAUTION

Caution when using the Lexus parking assist-sensor
Observe the following precautions.
Failure 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.
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