Lexus LS460 2011 Owner's Manual page 320

2-4. Using other driving systems
STEP 4
Once the vehicle is mostly within the target parking position, voice
guidance will inform you to finish the assist mode.
For safety, voice guidance is given slightly before the target parking
position. Furthermore, at that point system control will finish, so grip
the steering wheel firmly, and finish parking in the desired position,
using the brake to control the vehicle's speed.
Using the distance guide line (with navigation system) as a reference,
check in front and behind the vehicle visually and check with the mir-
rors while backing up.

Tips for setting the target parking position
Useful information for setting the target parking position (green
frame)
 The display position of the green frame
The system decides the initial positioning of the green frame by
the position of the parking space detected by the front side sen-
sors or the position of the vehicle when it stops, and by detecting
the white lines of the parking space in the camera image to iden-
tify the parking space location.
The front side sensors identify the parking space location and
the white lines near that location are detected.
The front side sensors cannot identify the parking space loca-
tion, or the parking space location maybe misaligned in the fol-
lowing situations.
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