Lexus IS220d 2012 Manual page 216

2-4. Using other driving systems

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 8 km/h (5 mph) each time the
lever is operated
Large adjustment: By approximately 8 km/h (5 mph) for each
0.75 seconds the lever is held
• When the set speed is shown in "km/h"
Fine adjustment: By approximately 5 km/h (3.1 mph) each time
the lever is operated
Large adjustment: By approximately 5 km/h (3.1 mph) for each
0.75 seconds the lever is held
In the constant speed control mode (P. 209), the set speed will be
increased or decreased as follows:
Fine adjustment: By approximately 1.6 km/h (1 mph) each time the
lever is operated
Large adjustment: The set speed can be increased or decreased con-
tinually until the lever is released.
204
IS250/220d/200d_EE
Increases the speed
Decreases the speed
Fine adjustment: Momentar-
ily move the lever in the
desired direction.
Large adjustment: Hold the
lever in the desired direction.