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Warning tone sounds twice in any of the following cases:
D You attempt to downshift the transmission when it is not
possible to downshift due to the high vehicle speed.
D You attempt to downshift from "2" position.
D You attempt to upshift from "5" position.
If the "M" indicator flashes, there is a problem somewhere
in the system. In this case, it should be noted that you
cannot downshift or upshift the transmission using the
switches on the steering wheel. Consult with your Lexus
dealer as soon as possible. The transmission works
exactly in the same way as when you put the selector lever
in the "D" position.
CAUTION
Be careful when downshifting on a slippery surface.
The abrupt change in engine speed could cause the
vehicle to spin or skid.
STARTING AND DRIVING
(c) Using engine braking
SV31023
To use the braking power of the engine, downshift the
transmission in the way described below:
1
Shift into the "M" position, and you push the transmission
down shift switch. The transmission will downshift to
fourth gear and engine braking will be obtained. This is
effective only when you are driving in the "D" position or
in fifth gear ("M" position).
When the cruise control is being used, even if you
downshift from "5" to "4", engine braking will not be
enabled because the cruise control is not cancelled. If
you need to decrease the vehicle speed, see page 243.
2
Shift into the "3" position. The transmission will downshift
to third gear when the vehicle speed is or becomes lower
than the speed listed below and stronger engine braking
will be obtained.
2003 IS300 from Aug. '02 Prod. (OM53439U)
235
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