operators_manual

condition of the road, traffic conditions, and
vehicle load.
Proper maintenance will keep the vehicle
running like new even after long periods of
use. The driver must perform the daily and
weekly checks of the vehicle.
Maintenance factors affecting fuel
consumption:
• air and/or fuel filters partially
clogged
• engine valves out of adjustment
• injection pump improperly
synchronized
• injection nozzles defective or
uncalibrated
• improperly inflated tires
• wheel bearings improperly adjusted
• clutch improperly adjusted or worn
(slipping)
• fuel leaks
Wrong driving habits must be corrected
and the recommendations on economic
driving should be followed. Driving factors
affecting fuel consumption:
• excessive speed and unnecessary
fast acceleration
• long periods of idling
• driving with foot resting on the
(manual transmission) clutch pedal
General Condition Other factors affecting
fuel consumption are related to loads and
type of roads on which the vehicle
operates. It is not always possible to
choose the most adequate road, but it
must be kept in mind that the ideal road is
the one that allows a steady speed in high
gear, without requiring frequent braking
and acceleration. The following general
conditions can affect fuel consumption:
• overload
• unbalanced load
• very high load
• inadequate roads
• traffic conditions
Optimal Engine Speed Indicator
The tachometer displays a green bar just
below the most efficient engine speed for
the vehicle.
The placement and size of this bar is
dependent on the engine as installed at the
factory. The driver’s general goal should be
to select a gear that keeps the tachometer
needle positioned over the green light as
much as possible during steady state
driving. In addition to proper maintenance
and good driving habits, this visual cue can
help minimize the fuel consumption.
Driver Performance Assistant
(Optional)
Driver Performance Assistant (DPA) is an
optional feature that encourages driving
habits that result in good fuel economy.
The model of good fuel economy
maximizes momentum and minimizes
unnecessary throttle application. A current
average driver performance score is
presented to the driver each time the
vehicle is turned on and when viewing the
DPA function selectable with the menu
control switch. This performance score is
the average of the Coasting and Gentle
Braking scores. These scores are also
displayed on the same screen.
DRIVING - Driving Tips and Techniques
Y53-6047-2HEN (03/18) 167
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