Corner and back sensor locations
There are two corner sensors (A) at the corners of the rear bumper, and two back sensors (B) in the centre of the rear bumper.

See also:
Washer fluid
Check the washer fluid level in the container. If the level is low, replenish
as required.
NOTE
The washer fluid container serves the windscreen, rear window, and headlamps
(if so equipped). ...
Air purifier
An air filter has been incorporated into this air conditioning so that dirt and
dust are cleaned from the air.
Replace the air filter periodically as its ability to clean the air will be reduced
...
To operate
To operate the system, move the gearshift lever or selector lever to the “R”
position while the ignition switch or the operation mode is in ON. To stop the operation,
push the “SONAR” swit ...
