Average Fuel Consumption Mode; Instantaneous Fuel Consumption Mode - Lexus GX470 2004 Owner's Manual

D Average fuel consumption mode
Average fuel consumption is calculated and displayed
based on total driving distance and total fuel consumption
with the engine running.
The displayed value is updated every 10 seconds.
To reset the calculations, push and hold the "RESET" button for
more than 1 second.
GAUGES, METERS AND SERVICE REMINDER INDICATORS
D Instantaneous fuel consumption mode
Instantaneous fuel consumption is calculated and
displayed based on distance and fuel consumption for 2
seconds with the engine running.
The displayed value is updated every 2 seconds.
Note that an accurate figure may not be shown in the following
cases.
D When the vehicle is stopped with the engine running, the
display will indicate extremely high fuel consumption.
D When the vehicle is driving down a long slope, with the
engine brake applied, the display will indicate extremely low
fuel consumption.
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