2012 Lexus LFA Owners Manual - Page 454

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Paddle shift switches

It is understood that drivers tend to

anticipate downshifts more than upshifts.

To mechanically re²ect this phenomenon,

the downshift paddle shift switch (-) has

a comparatively higher force pull than

the upshift paddle switch (+) to foster

a greater sense of excitement when

stepping down a gear.

Automatic processes that occur during gear changes

Engine speed control

When the driver commands an upshift, the ECU will automatically lower the engine

speed to facilitate the gear change without requiring the driver to release the

accelerator pedal.

Blipping control

When the driver commands a downshift, the ECU will automatically raise the

engine speed in order match the speed of the transaxle, ensuring smoother clutch

engagement.

Automatic downshift control

The ECU will automatically downshift when the vehicle slows to below a

predetermined speed. This will occur even in a manually shifted driving mode.

Downshift (-)

Upshift (+)