Lexus LS 600h L 2012 Owner's Manual page 241

2-4. Using other driving systems
STEP 2
■ Adjusting the set speed
To change the set speed, operate the lever until the desired set
speed is displayed.
In the vehicle-to-vehicle distance control mode, the set speed will be
increased or decreased as follows:
When the set speed is shown in "MPH"
Fine adjustment: By approximately 1 mph (1.6 km/h) each time the lever is
operated
Large adjustment: By approximately 5 mph (8 km/h) for each 0.75 sec-
onds the lever is held
When the set speed is shown in "km/h"
Fine adjustment: By approximately 0.6 mph (1 km/h) each time the lever is
operated
Large adjustment: By approximately 3.1 mph (5 km/h) for each 0.75 sec-
onds the lever is held
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Accelerate or decelerate the
vehicle to the desired speed,
and push the lever down to set
the speed.
The vehicle speed at the
moment the lever is released
becomes the set speed.
Increases the speed
Decreases the speed
Fine adjustment: Momentarily
move the lever in the desired
direction.
Large adjustment: Hold the
lever in the desired direction.