Page 460 of 696
458 IN CASE OF EMERGENCY
Power Distribution Center
The Power Distribution Center is located in the engine
compartment near the battery. This center contains cartridge
fuses, micro fuses, relays, and circuit breakers. A description
of each fuse and component may be stamped on the insidecover, otherwise the cavity number of each fuse is stamped
on the inside cover that corresponds to the following chart.
Power Distribution Center Location
Cavity Cartridge Fuse Micro Fuse Description
F01 80 Amp Black –Rad Fan Control Module – If Equipped (DS 1500
Only)
F02 60 Amp Yellow –ABS Pump Motor (HD Only)
F03 60 Amp Yellow –Rad Fan – If Equipped
F04 50 Amp Red 400W Inverter – If Equipped (HD Only)
F05 40 Amp Green
50 Amp Red (Special
Services Vehicle (SSV)) –
Compressor For Air Suspension – If Equipped
Page 463 of 696
IN CASE OF EMERGENCY 461
F3130 Amp Pink –Diesel Heater Control – If Equipped (DS 1500
LD Diesel)
F31 20 Amp Blue –Aux App SSV Only - If Equipped
F32 ––Aux Feed, Special Services Vehicle-If Equipped
(DS 1500 Only)
F33 20 Amp Blue –Trans Control Module – If Equipped (HD Only)
Aux Feed, SSV Only (DS 1500 Only)
F34 30 Amp Pink –Vehicle System Interface Module #2 – If
Equipped (HD Only)
SSV (DS 1500 Only)
F35 30 Amp Pink –Sunroof – If Equipped
F36 30 Amp Pink –
Electric Back Light – If Equipped
F37 30 Amp Pink –Fuel Heater #2, Aux Relay 2 – If Equipped (HD
Only)
SSV (DS 1500 Only)
F38 30 Amp Pink –Integrated Trailer Brake Module – If Equipped
(HD Only)
Power Inverter 115V AC – If Equipped (DS 1500
Only)
F39 20 Amp Blue –Power Outlet – SSV Only
F40 –10 Amp Red Ventilated Seats – If Equipped (HD Only)
Cavity
Cartridge Fuse Micro Fuse Description
6
Page 471 of 696

IN CASE OF EMERGENCY 469
JACKING AND TIRE CHANGING NOTE:
If your vehicle is equipped with an air suspension system,
there is a feature which allows the automatic leveling to be
disabled to assist with changing a tire.
This feature can be activated through the Uconnect system.
Refer to “Uconnect Settings” in “Multimedia” for further
information.
WARNING!
• Do not attempt to change a tire on the side of the vehicle close to moving traffic. Pull far enough off the road to
avoid the danger of being hit when operating the jack
or changing the wheel.
• Being under a jacked-up vehicle is dangerous. The vehicle could slip off the jack and fall on you. You
could be crushed. Never put any part of your body
under a vehicle that is on a jack. If you need to get
under a raised vehicle, take it to a service center where
it can be raised on a lift.
• Never start or run the engine while the vehicle is on a jack.
• The jack is designed to be used as a tool for changing tires only. The jack should not be used to lift the
vehicle for service purposes. The vehicle should be
jacked on a firm level surface only. Avoid ice or slip -
pery areas.
6
Page 479 of 696

IN CASE OF EMERGENCY 477
(Continued)
Jacking Instructions
Jack Warning Label
WARNING!
Carefully follow these tire changing warnings to help
prevent personal injury or damage to your vehicle:
• Always park on a firm, level surface as far from the edge of the roadway as possible before raising the
vehicle.
• Turn on the Hazard Warning flasher.
• Block the wheel diagonally opposite the wheel to be raised.
• Apply the parking brake firmly and set the transmis -
sion in PARK.
• Never start or run the engine with the vehicle on a jack.
• Do not let anyone sit in the vehicle when it is on a jack.
• Do not get under the vehicle when it is on a jack. If you need to get under a raised vehicle, take it to a service
center where it can be raised on a lift.
• Only use the jack in the positions indicated and for lifting this vehicle during a tire change.
• If working on or near a roadway, be extremely careful of motor traffic.• To assure that spare tires, flat or inflated, are securelystowed, spares must be stowed with the valve stem
facing the ground.
WARNING! (Continued)
6
Page 484 of 696

482 IN CASE OF EMERGENCY
Dual Rear Wheel Jack Placement
6. Finish tightening the lug nuts. Push down on the lug wrench while at the end of the handle for increased
leverage. Tighten the lug nuts in a star pattern until each
nut has been tightened twice. For the correct lug nut
torque refer to “Torque Specifications” in “Technical
Specifications”. If in doubt about the correct tightness,
have them checked with a torque wrench by an autho -
rized dealer or service station. 7. Install the wheel center cap and remove the wheel blocks.
Do not install chrome or aluminum wheel center caps on
the spare wheel. This may result in cap damage.
8. Lower the jack to its fully closed position. Stow the replaced tire, jack, and tools as previously described.
NOTE:
The bottle jack will not lower by turning the dial (thumb -
wheel) by hand, it may be necessary to use the jack driver in
order to lower the jack
9. Adjust the tire pressure when possible.
NOTE:
Do not oil wheel studs. For chrome wheels, do not substitute
with chrome plated lug nuts.
WARNING!
A loose tire or jack thrown forward in a collision or hard
stop, could endanger the occupants of the vehicle.
Always stow the jack parts and the spare tire in the
places provided.
Page 496 of 696

494 IN CASE OF EMERGENCY
FREEING A STUCK VEHICLE
If your vehicle becomes stuck in mud, sand, or snow, it can
often be moved using a rocking motion. Turn the steering
wheel right and left to clear the area around the front wheels.
Then shift back and forth between DRIVE and REVERSE,
while gently pressing the accelerator. Use the least amount ofaccelerator pedal pressure that will maintain the rocking
motion, without spinning the wheels or racing the engine.
NOTE:
• For trucks equipped with an 8–speed transmission, shifts
between DRIVE and REVERSE can only be achieved at
wheel speeds of 5 mph (8 km/h) or less. Whenever the
transmission remains in NEUTRAL for more than two
seconds, you must press the brake pedal to engage DRIVE
or REVERSE.
• Push the "ESC Off" switch, to place the Electronic Stability Control (ESC) system in "Partial Off" mode, before rocking
the vehicle. Refer to “Electronic Brake Control” in “Safety”
for further information. Once the vehicle has been freed,
push the "ESC Off" switch again to restore "ESC On" mode.
WARNING!
You or others can be badly burned by hot engine coolant
(antifreeze) or steam from your radiator. If you see or
hear steam coming from under the hood, do not open the
hood until the radiator has had time to cool. Never try to
open a cooling system pressure cap when the radiator or
coolant bottle is hot.
CAUTION!
Driving with a hot cooling system could damage your
vehicle. If the temperature gauge reads HOT (H), pull
over and stop the vehicle. Idle the vehicle with the air
conditioner turned off until the pointer drops back into
the normal range. If the pointer remains on HOT (H),
and you hear continuous chimes, turn the engine off
immediately and call for service.
WARNING!
Fast spinning tires can be dangerous. Forces generated by
excessive wheel speeds may cause damage, or even failure,
of the axle and tires. A tire could explode and injure
someone. Do not spin your vehicle's wheels faster than
30 mph (48 km/h) or for longer than 30 seconds continuously
without stopping when you are stuck and do not let anyone
near a spinning wheel, no matter what the speed.
Page 497 of 696

IN CASE OF EMERGENCY 495
TOWING A DISABLED VEHICLE
This section describes procedures for towing a disabled
vehicle using a commercial towing service.
If the transmission and drivetrain are operable, disabled
vehicles may also be towed as described under “Recreational
Towing” in the “Starting And Operating” section.
NOTE:
Vehicles equipped with the Air Suspension System must be
placed in Transport mode, before tying them down (from the
body) on a trailer or flatbed truck. If the vehicle cannot be
placed in Transport mode (for example, engine will not run),
tie-downs must be fastened to the axles (not to the body).
Failure to follow these instructions may cause fault codes to
be set and/or cause loss of proper tie-down tension.
Refer to "Air Suspension System — If Equipped" in "Starting
And Operating" for more information.
CAUTION!
• Racing the engine or spinning the wheels may lead to transmission overheating and failure. Allow the engine
to idle with the transmission in NEUTRAL for at least
one minute after every five rocking-motion cycles. This
will minimize overheating and reduce the risk of trans -
mission failure during prolonged efforts to free a stuck
vehicle.
• When “rocking” a stuck vehicle by shifting between DRIVE and REVERSE, do not spin the wheels faster
than 15 mph (24 km/h), or drivetrain damage may
result.
• Revving the engine or spinning the wheels too fast may lead to transmission overheating and failure. It can also
damage the tires. Do not spin the wheels above 30 mph
(48 km/h) while in gear (no transmission shifting occur -
ring).
6
Page 501 of 696

499
SERVICING AND MAINTENANCE
SCHEDULED SERVICING
Your vehicle is equipped with an automatic oil change indi-
cator system. The oil change indicator system will remind
you that it is time to take your vehicle in for scheduled main -
tenance.
Based on engine operation conditions, the oil change indi -
cator message will illuminate. This means that service is
required for your vehicle. Operating conditions such as
frequent short-trips, trailer tow, extremely hot or cold
ambient temperatures, and E85 fuel usage will influence
when the “Oil Change Required” message is displayed.
Severe Operating Conditions can cause the change oil
message to illuminate as early as 3,500 miles (5,600 km) since
last reset. Have your vehicle serviced as soon as possible,
within the next 500 miles (805 km).
Your authorized dealer will reset the oil change indicator
message after completing the scheduled oil change. If a scheduled oil change is performed by someone other
than your authorized dealer, the message can be reset by
referring to the steps described under “Instrument Cluster
Display” in “Getting To Know Your Instrument Panel”.
NOTE:
Under no circumstances should oil change intervals exceed
8,000 miles (13,000 km), twelve months or 350 hours of
engine run time, whichever comes first. The 350 hours of
engine run or idle time is generally only a concern for fleet
customers.
Severe Duty All Models
NOTE:
Change Engine Oil at 4,000 miles (6,500 km) or 350 hours of
engine run time if the vehicle is operated in a dusty and off
road environment or is operated predominantly at idle, or
only very low engine RPM’s. This type of vehicle use is
considered Severe Duty.
7