Lexus LFA Owner's Manual page 139

"Cannot measure" display
Item
Engine Warm
Idling
Stationary
Vehicle Level
If the measuring function does not work even after all the above condi-
tions have been met, have the vehicle inspected by your Lexus dealer.
Details
The engine oil has not
warmed sufficiently.
The engine speed is too low
or too high.
The vehicle is not com-
pletely stationary.
The vehicle is parked on an
incline.
2-2. Instrument cluster
If measurement cannot be per-
formed, the item with "No" dis-
played may be the cause. Check
the following items and then
attempt to perform the measure-
ment again:
Correction procedure
Measure when the engine
oil temperature is between
203F and 230F (95C
and 110C).
Measure when the engine
speed is between 900 rpm
and 1100 rpm.
Measure when the vehicle
is completely stopped with
Neutral selected and the
parking brake set.
Measure when the vehicle
is on level ground with an
incline of 4 degrees or less.
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