Lexus LS460 2011 Owner's Manual page 246

2-4. Using other driving systems

Cruise control can be set when

The shift lever is in the "D" or range "4" or higher of "S" has been
selected.
(without paddle shift switches)

The shift lever is in "D".
(with paddle shift switches)

Range "4" or higher of "D" has been selected by using the paddle shift.
(with paddle shift switches)

Vehicle speed is above approximately 40 km/h (25 mph).

Accelerating after setting the vehicle speed

The vehicle can be accelerated normally. After acceleration, the set
speed resumes.

Even without canceling the cruise control, the set speed can be increased
by first accelerating the vehicle to the desired speed and then pushing the
lever down to set the new speed.

Automatic cruise control cancellation
Cruise control will stop maintaining the vehicle speed in any of the follow-
ing situations.

Actual vehicle speed falls more than approximately 16 km/h (10 mph)
below the preset vehicle speed.
At this time, the memorized set speed is not retained.

Actual vehicle speed is below approximately 40 km/h (25 mph).

VSC is activated.

If the cruise control indicator light flashes
Press the "ON-OFF" button once to deactivate the system, and then press
the button again to reactivate the system.
If the cruise control speed cannot be set or if the cruise control cancels
immediately after being activated, there may be a malfunction in the cruise
control system. Have the vehicle inspected by any authorized Lexus dealer
or repairer, or another duly qualified and equipped professional.
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