User Manual - Page 19

For 2001 LS.

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traveled by gallons used), your figure may be different than displayed for
the following reasons:
your vehicle was not perfectly level during fill-up
differences in the automatic shut-off points on the fuel pumps at
service stations
variations in top-off procedure from one fill-up to another
rounding of the displayed values to the nearest 0.1 liter (gallon)
Checking your highway fuel economy using the electronic
message center display
The following procedure will allow you to accurately monitor your actual
highway fuel economy. Since this procedure requires the vehicle speed
control system to be set to highway speeds, it must be run only on
suitable roadways where long distance speed control can be safely
maintained.
You may notice gradual improvement in fuel economy over the course of
your vehicle’s break-in period (approximately 1 600 kilometers [1 000
miles]).
1. Press the FUEL control to display
miles to empty. Press again to
display average fuel economy.
2. Set the speed control. Refer to
Speed control in the Controls and
features chapter.
3. Press the RESET control to clear the system memory.
Actual highway fuel economy is now displayed. This current
average measure will change as the speed control system changes the
engine speed to maintain a constant vehicle speed. This is most
noticeable in hilly environments.
4. Drive the vehicle at least 8 km (5 miles) with the speed control
system engaged to display a stabilized average.
5. Record the highway fuel economy for future reference.
It is important to press the RESET control after setting the speed
control to get accurate highway fuel economy readings.
Instrumentation
19
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