Toyota Lexusc Owner's Handbook Manual page 121

GAUGES, METERS AND SERVICE REMINDER INDICATORS
The following information is displayed in the instrument
cluster when you push the "INFO" button with the ignition
switch turned on.
Each time you push the "INFO" button, the display toggles
through this information.
(1) Driving time after engine start
(2) Average vehicle speed after engine start
(3) Average fuel consumption after refueling
(4) Instantaneous fuel consumption
(5) Driving distance after engine start
(6) Driving range
The displayed values in the cruise information display indicate
general driving conditions. Accuracy varies with driving habits
and road conditions.
When the ignition switch is on, the last previously used mode
displayed just before the ignition switch is off will appear.
102
If the electrical power source has been disconnected from the
cruise information display, the display will automatically be set
to the initial mode.
When the instrument panel lights are turned on, the brightness
of the display will be reduced.
You can adjust the brightness of the display. To adjust the
brightness, see "Multi-display light control" on page 91.
CAUTION
Do not adjust the display while the vehicle is moving.
Be sure to adjust the display only when the vehicle is
stopped.
(1) Driving time after engine start
("E/T")
The elapsed time after the engine starts is displayed.
When the engine is started, driving time is counted from 0:00.
Up to 11:59 (11 hours, 59 minutes) can be displayed. When the
driving time exceeds 11:59, the counter returns to 0:00.
The calculation is reset when the ignition switch is turned off.