Lexus LFA Owner's Manual page 145

■
Operation
Press up and down on the control pad.
■
Measurement method
STEP 1
2-2. Instrument cluster
Start (" Start")/stop (" Stop")
measurement
Press: Mark off one lap
(" Lap")
Press and
(" Reset")
Resetting erases all measurement
results.
Select "Lap Timer" and press right
on the control pad.
hold: Reset
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