Cruise Control; Snow Mode - Lexus LS400 Owner's Manual

STARTING AND DRIVING
In the power mode, the "ECT PWR" light in the instrument cluster
is on and the transmission is shifted up at higher vehicle speeds and
shifted down more responsively than is the normal mode.
To return to the normal mode, push the driving pattern selector
switch lightly on the "SNOW" side.
Snow mode: For slippery road surfaces such as in snow. In this
mode, the spinning of the rear wheels is controlled appropriately.
When you push the driving pattern selector switch on the "SNOW"
side, the snow mode is turned on and the "ECT SNOW" light in the
instrument cluster comes on.
To return to the normal mode, push the driving pattern selector
switch on the "SNOW" side again.
When you turn the ignition switch off in the snow mode, the mode
automatically changes to the normal mode.
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CRUISE CONTROL

The cruise control allows you to cruise the vehicle at a desired
speed over 40 km/h (25 mph) with your foot off the accelerator
pedal.
Your cruising speed can be maintained although a slight speed
change may occur when driving up or down a gradient, within the
limits of engine performance. On steeper hills, a great speed change
will occur so it is better to drive without the cruise control.
When the cruise control is on, the driving pattern of the automatic
transmission is fixed in the normal position, regardless of the
position of the selector switch.
CAUTION
D To help maintain maximum control of your vehicle, do not
use the cruise control when driving in heavy or varying
traffic, or on slippery (rainy, icy or snow−covered) or
winding roads.
D Avoid vehicle speed increases when driving downhill. If the
vehicle speed is too fast in relation to the cruise control set
speed, cancel the cruise control then downshift the
transmission to use engine braking to slow down.