Lexus LFA Owner's Manual page 92

2-1. Driving procedures
Engine speed restrictions
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The following restrictions exist for engine protection:
The engine speed is limited to 7400 rpm if the total mileage shown on the
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odometer is less than 310 miles (500 km).
The engine speed is limited when the engine is not sufficiently warmed-up, such
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as immediately after the engine is started or during the engine warm-up period.
The variable red zone shows the maximum engine speed currently available.
(P. 119)
The engine speed is limited to 4400 rpm for approximately 8 minutes when the
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engine is started with the coolant temperature at 5F (-15 C) or lower.
The engine speed may be limited when either the coolant temperature gauge
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or oil temperature gauge is flashing.
Idling with five cylinders
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To improve fuel consumption, the engine may idle at a reduced speed using five cyl-
inders on one side of the engine while stopped or immediately before stopping
when 1st gear is selected in AUTO driving mode. During this time, "5 cylinders
idling" will be displayed on the meter and vibration or a change in engine sound
may occur. This is normal and does not indicate a malfunction.
ASG (Automated Sequential Gearbox) operating sounds
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P. 110
Braking sound
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As the LFA uses CCM (Carbon Ceramic Material) brake discs with high-fric-
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tion pads, it may be possible to hear the sound of the brakes operating (such as
a rubbing or squealing sound). This is normal and does not indicate a malfunc-
tion.
The sound of a motor operating may be heard after the engine is stopped. This
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does not indicate a malfunction.
Driving in the rain
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Drive carefully when it is raining, because visibility will be reduced, the windows
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may become fogged-up, and the road will be slippery.
Drive carefully when it starts to rain, because the road surface will be especially
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slippery.
Refrain from driving at high speeds on wet surfaces such as on an expressway in
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the rain, as the LFA is fitted with wide-tread tires that may increase the risk of
hydroplaning.
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