2008 DODGE RAM 5500 CHASSIS CAB fuel

INTRODUCTION
This manual has been prepared with the assistance of
service and engineering specialists to acquaint you with
the operation and maintenance of your new vehicle. It is
supplemented by a Warranty Information Booklet and
various customer oriented documents. You are urged to
read these publications carefully. Following the instruc-
tions and recommendations in this manual will help
assure safe and enjoyable operation of your vehicle.
NOTE: After you read the manual, it should be stored
in the vehicle for convenient reference and remain with
the vehicle when sold, so that the new owner will be
aware of all safety warnings.
When it comes to service, remember that your dealer
knows your vehicle best, has the factory-trained techni-
cians and genuine Mopartparts, and is interested in
your satisfaction.
A MESSAGE FROM DAIMLERCHRYSLER
CORPORATION ± DIESEL ENGINES ONLY
DaimlerChrysler Corporation and Cummins welcome
you as a new Dodge Ram Cummins Turbo Diesel-
powered truck owner.
Almost 100% of the heavy duty trucks in the United
States and Canada are diesel powered because of the fuel
economy, rugged durability, and high torque which per-
mits pulling heavy loads. Cummins engines power well
over half of these trucks. Now this same technology and
proven performance is yours in your new Dodge Ram
truck equipped with the Cummins 6.7 liter, Turbo-
charged, Charge Air Cooled, Diesel engine.
Your diesel truck will sound, feel, drive, and operate
differently from a gasoline-powered truck. It is important
that you read and understand this manual. You may find
that some of the starting, operating, and maintenance
procedures are different. However, they are simple to
4 INTRODUCTION

NON-DETERGENT OR STRAIGHT MINERAL OILS
MUST NEVER BE USED.
A new engine may consume some oil during its first few
thousand miles of operation. This is a normal part of the
break-in and is not an indication of difficulty.
CAUTION!
²During the first 500 miles (805 km) your new
vehicle is driven, do not tow a trailer. Doing so
may damage your axles, driveline and vehicle.
²Limit your speed to 50 mph (80 km/h) during the
first 500 miles (805 km) of towing.
6.7L Diesel Engine
Your Cummins 24 Valve Turbo Diesel engine does not
require a break-in period due to its construction. Normal
operation is allowed, provided the following recommen-
dations are followed:
NOTE:Light duty operation such as light trailer towing
or no load operation, will extend the time before the
engine is at full efficiency and may effect the performance
of the vehicle aftertreatment (exhaust) system. Reduced
fuel economy and power may be seen at this time.
²Warm up the engine before placing it under load.
²Do not operate the engine at idle for prolonged
periods.
²Use the appropriate transmission gear to prevent
engine lugging.
²Observe vehicle oil pressure and temperature indica-
tors.
72 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE

Lights
Check the operation of all exterior lights. Check turn
signal and high beam indicator lights on the instrument
panel.
Door Latches
Check for positive closing, latching and locking.
Fluid Leaks
Check area under vehicle after overnight parking for fuel,
water, oil, or other fluid leaks. Also, if fuel fumes are
detected the cause should be located and corrected.
76 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE

NTo Deactivate........................133
NTo Resume Speed.....................133
NTo Vary The Speed Setting...............133
NTo Accelerate For Passing...............134
mOverhead Console With Compass/Temperature
Mini-Trip Computer Ð If Equipped..........135
NUS/M Button........................135
NReset Button.........................136
NGlobal Reset.........................136
NStep Button.........................136
NAverage Fuel Economy (AVG ECO)........137
NDistance To Empty (DTE)...............137
NTrip Odometer (ODO)..................138NElapsed Time (ET).....................138
NC/T Button.........................139
NAutomatic Compass Calibration...........139
NManual Compass Calibration.............140
NRecalibrating The Compass..............140
NOutside Temperature...................141
mOverhead Console With Electronic Vehicle
Information Center (EVIC) Ð Diesel Only.....142
NDome/Reading Lights..................142
NElectronic Vehicle Information Center (EVIC) Ð
If Equipped.........................143
NCompass/Temperature Button............148
mElectrical Power Outlets..................151
mCigar Lighter And Ash Receiver............152
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 79
3

RESET Button
Use this button to reset the following displays:
Average Fuel Economy (AVG ECO)
Trip Odometer (ODO)
Elapsed time (ET)
Global Reset
If the RESET button is pressed twice within 2 seconds
while in any of the 3 resettable displays (AVG ECO,
ODO, ET), the Global Reset will reset all 3 displays.
Step Button
Use this button to choose or cycle through the four trip
conditions.
136 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

Average Fuel Economy (AVG ECO)
Shows the average fuel economy since the last reset.
Average fuel economy is a running average of the
amount of fuel used and the distance the vehicle has
traveled.
When the fuel economy is reset, the display will momen-
tarily blank. Then, the history will be erased, and the
AVERAGING WILL CONTINUE FROM WHERE IT
WAS BEFORE THE RESET. The reset value is based on a
minimal amount of fuel used and the distance traveled
from the previous drive cycle. The displaymay take
several milesfor this value to change dependent upon
driving habits.
Distance To Empty (DTE)
Shows the estimated distance that can be traveled with
the fuel remaining in the tank. This estimated distance is
determined by weighted average of the instantaneous
and average fuel economy, according to the current fuel
tank level. This is not resettable
NOTE:Significant changes in driving style or vehicle
loading will greatly affect the actual drivable distance of
the vehicle, regardless of the DTE displayed value.
When the DTE value is less than 30 miles estimated
driving distance, the DTE display will change to an
alternating test display of ªLOº and ªFUELº. This dis-
play will continue until the vehicle runs out of fuel.
Adding a significant amount of fuel to the vehicle will
turn off the ªLO FUELº text and a new DTE value will be
displayed, based on the current values in the DTE
calculation and the current fuel tank level.
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 137
3

NOTE:It is possible for DTE to display ªLO FUELº
before the low fuel warning light turns on in the instru-
ment cluster. This could occur because low fuel warning
is set to a specified fuel tank volume and DTE is an
estimated distance calculation based on fuel economy
and remaining fuel tank volume.
Ram fuel tank volumes are as follows:
²52 gallons - Standard rear tank
²22 gallons - Optional Midship Tank
Trip Odometer (ODO)
NOTE:The maximum value is approximately 6000
miles. Then the trip odometer must be reset in order to
update the trip odometer miles.
This display shows the distance traveled since the last
reset. Resetting of this screen will cause the trip odometer
to change to Zero.
Elapsed Time (ET)
This display shows the accumulated ignition ON time
since the last reset. Resetting the Elapsed Time will cause
the display to change to Zero.
138 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

Electronic Vehicle Information Center (EVIC) Ð If
Equipped
Pressing the menu button will change the
display to one of the following features:
Trip Functions
Pressing the STEP button allows you to scroll through
one of the following Trip Function features:
²TRIP ± Shows the total distance traveled since the last
reset. To reset the TRIP function, press and hold the
RESET button.
²ELAPSED TIME ± Shows the total elapsed time of
travel since the last reset. Elapsed time will increment
when the ignition switch is in the ON/RUN or START
positions.
²UNIT IN US/METRIC ± Press the RESET button to
toggle between US and METRIC.
²AVG. MPG ± Shows the average fuel economy since
the last reset. When the fuel economy is reset, the
display will show dashes for two seconds. Then the
history information will be erased, and the averaging
will continue from the last fuel average reading beforeOverhead Console with EVIC
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 143
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