Lexus 2003 LS Owner's Manual page 285

CAUTION
A In the conventional (fixed speed) cruise control
mode, an approach warning does not activate even if
you are too close to the vehicle ahead, as neither the
presence of the vehicle
vehicle–to–vehicle distance is detected. Pay special
attention to the distance between your vehicle and
the vehicle ahead. Always confirm the setting in the
multi–information display.
A The conventional (fixed speed) cruise control mode
of the dynamic laser cruise control should not be
used in the following conditions, which could result
in serious injury or death.
A To help maintain maximum control of your vehicle,
do not use fixed speed control mode when using
dynamic laser cruise control while driving in heavy
or varying traffic, or on slippery (rainy, icy or
snow–covered) or winding roads.
A Avoid vehicle speed increasing when driving
downhill. If the vehicle speed is too fast in relation
to the preset speed in the fixed speed control
mode, cancel the fixed control mode and then
downshift the transmission to use engine braking
to slow down.
Turning on the system
ahead nor the
To operate conventional cruise control mode, push the main
switch. This turns the system on. The "CRUISE" indicator light
in the instrument cluster comes on and "RADAR READY"
appears on the multi–information display. Push the control
lever in the "MODE" direction for longer than 1 second to
change to conventional cruise control mode. The indicator on
the multi–information display is as shown. You can now set
your desired cruising speed. Pushing the main switch again
will turn the system completely off and "CRUISE OFF" will
appear in the multi–information display.
However, once the vehicle–to–vehicle distance control mode
activates and is used, it cannot be changed to the conventional
(fixed speed) cruise control mode using the above operation.
When the ignition switch is turned off, the main switch is also
automatically turned off. To use the dynamic laser cruise
control again, push the main switch again to turn it on.
STARTING AND DRIVING
31L166b
271