Lexus RX400h2006, Owner'S Manual

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STARTING AND DRIVING
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If the preset speed automatically cancels out for other than the
above reasons, do not operate the dynamic laser cruise
control. Although there is no problem to continue driving,
please contact your Lexus dealer.
(e) Resetting to a faster speed
Push the lever up in the “+ RES” direction and hold it. The
displayed speed will increase in increments of 5 mph (for the
U.S.A.) or 5 km/h (for Canada). Release the lever when the
desired speed is attained. The vehicle speed will gradually
increase to the displayed speed.
However, a faster way to reset is to accelerate the vehicle and
then push the lever down in the “
−
SET” direction.
CAUTION
When the vehicle−to−vehicle distance control is on,
your cruising speed is regulated to match the speed of
the vehicle ahead. Increasing the preset speed using
the control lever does not accelerate the vehicle.
However, if the vehicle ahead leaves your lane, your
cruising speed will increase to the speed set with the
control lever. Confirm the setting on the display.
(f) Resetting to a slower speed
Push the lever down in the “
−
SET” direction and hold it. The
displayed speed will decrease in increments of 5 mph (for
U.S.A.) or 5 km/h (for Canada). Release the lever when the
desired speed is attained. The vehicle speed will gradually
decrease to the displayed speed.
However, a faster way to reset is to depress the brake pedal
and then push the lever down in the “
−
SET” direction.
If the control lever is released when the vehicle speed exceeds
the upper limit of the preset speed traveling downhill while you
are pushing the lever down, the system will memorize the
upper limit of the preset speed as a preset speed.
With the cruise control on, the vehicle will not decelerate even
if you downshift from the “D” position to “B” (engine braking).
The cruise control must first be cancelled. To reduce the
vehicle speed, you must reset the cruising speed using the
control lever or apply the brakes. Applying the brakes cancels
the cruise control.