Lexus LS460 2011 Owner's Manual page 332

2-4. Using other driving systems
STEP 2
Move your vehicle slowly alongside the vehicle parked in front of
the target parking space. Your vehicle should move parallel to the
road or shoulder and be approximately 1 m (3 ft.) away from the
side of the parked vehicle.
To discontinue the guidance, push the pre-support switch twice to turn
the pre-support function off. (P. 289)
STEP 3
A chime will sound twice when the front edge of the vehicle
parked in front of the target parking space is visible right beside
you. When this chime sounds twice, stop your vehicle.
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