Honda Acura NSX 2017 Owner's Manual page 330

4. While keeping the brake pedal firmly
depressed, depress the accelerator pedal all
the way, beyond the point when the
transmission downshifts.
5. When Launch Mode Ready is displayed in
the driver information interface, release the
brake pedal at once.
6. To cancel launch mode, take your foot off
the accelerator pedal. Launch Mode
Cancelled is displayed in the driver
information interface.
uuWhen DrivinguLaunch Control
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