Lexus LS 600h L 2012 Owner's Manual page 243

2-4. Using other driving systems
■
Canceling and resuming the speed control
240
Pulling the lever toward you
cancels the cruise control.
The speed setting is also can-
celed when the brakes are
applied.
Pushing the lever up resumes
the cruise control and returns
vehicle speed to the set
speed.
Resuming is available when the
vehicle speed is more than
approximately 25 mph (40
km/h).