Lexus GS430 User Manual page 434

CAUTION
D 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.
D The conventional (fixed speed) cruise control mode
of the dynamic radar cruise control should not be
used in the following conditions, which could result
in death or serious injury.
♦ To help maintain maximum control of your vehicle,
do not use fixed speed control mode when using
dynamic radar cruise control while driving in
heavy or varying traffic, or on slippery (rainy, icy
or snow−covered) or winding roads.
♦ 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.
(a) Turning the system on
ahead nor the
To operate conventional cruise control mode, push the
"ON−OFF" button. 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 "ON−OFF" button
again will turn the system completely off and "CRUISE OFF"
will appear on 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.
To change the mode, push the "ON−OFF" button to turn the
system off and then push it again to turn it on. Next push the
lever in the "MODE" direction for longer than about 1 second.
STARTING AND DRIVING
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