288STARTING AND OPERATING
VEHICLE LOADING
Certification Label
As required by National Highway Traffic Safety
Administration regulations, your vehicle has a
certification label affixed to the driver's side
door or pillar.
This label contains the month and year of
manufacture, Gross Vehicle Weight Rating
(GVWR), Gross Axle Weight Rating (GAWR) front
and rear, and Vehicle Identification Number
(VIN). A Month-Day-Hour (MDH) number is
included on this label and indicates the Month,
Day and Hour of manufacture. The bar code
that appears on the bottom of the label is your
VIN.
Gross Vehicle Weight Rating (GVWR)
The GVWR is the total permissible weight of your
vehicle including driver, passengers, vehicle,
options and cargo. The label also specifies
maximum capacities of front and rear axle
systems (GAWR). Total load must be limited so
GVWR and front and rear GAWR are not
exceeded.
Payload
The payload of a vehicle is defined as the
allowable load weight a truck can carry,
including the weight of the driver, all
passengers, options and cargo.
Gross Axle Weight Rating (GAWR)
The GAWR is the maximum permissible load on
the front and rear axles. The load must be
distributed in the cargo area so that the GAWR
of each axle is not exceeded.
Each axle GAWR is determined by the
components in the system with the lowest load
carrying capacity (axle, springs, tires or wheels).
Heavier axles or suspension components
sometimes specified by purchasers for
increased durability does not necessarily
increase the vehicle's GVWR.
Tire Size
The tire size on the Vehicle Certification Label
represents the actual tire size on your vehicle.
Replacement tires must be equal to the load
capacity of this tire size.
Rim Size
This is the rim size that is appropriate for the tire
size listed.
Inflation Pressure
This is the cold tire inflation pressure for your
vehicle for all loading conditions up to full
GAWR.
Curb Weight
The curb weight of a vehicle is defined as the
total weight of the vehicle with all fluids,
including vehicle fuel, at full capacity
conditions, and with no occupants or cargo
loaded into the vehicle. The front and rear curb
weight values are determined by weighing your
vehicle on a commercial scale before any
occupants or cargo are added.
Loading
The actual total weight and the weight of the
front and rear of your vehicle at the ground can
best be determined by weighing it when it is
loaded and ready for operation.
The entire vehicle should first be weighed on a
commercial scale to ensure that the GVWR has
not been exceeded. The weight on the front and
rear of the vehicle should then be determined
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STARTING AND OPERATING289
separately to be sure that the load is properly
distributed over the front and rear axle.
Weighing the vehicle may show that the GAWR
of either the front or rear axles has been
exceeded but the total load is within the
specified GVWR. If so, weight must be shifted
from front to rear or rear to front as appropriate
until the specified weight limitations are met.
Store the heavier items down low and be sure
that the weight is distributed equally. Stow all
loose items securely before driving.
Improper weight distributions can have an
adverse effect on the way your vehicle steers
and handles and the way the brakes operate.TRAILER TOWING
In this section you will find safety tips and
information on limits to the type of towing you
can reasonably do with your vehicle. Before
towing a trailer, carefully review this information
to tow your load as efficiently and safely as
possible.
To maintain the New Vehicle Limited Warranty
coverage, follow the requirements and
recommendations in this manual concerning
vehicles used for trailer towing.
Common Towing Definitions
The following trailer towing related definitions
will assist you in understanding the following
information:
Gross Vehicle Weight Rating (GVWR)
The Gross vehicle Weight Rating (GVWR) is the
total allowable weight of your vehicle. This
includes driver, passengers, cargo and tongue
weight. The total load must be limited so that
you do not exceed the GVWR. Refer to “Vehicle
Loading/Vehicle Certification Label” in this
chapter for further information.
Gross Trailer Weight (GTW)
The Gross Trailer Weight (GTW) is the weight of
the trailer plus the weight of all cargo,
consumables and equipment (permanent or
temporary) loaded in or on the trailer in its
"loaded and ready for operation" condition.
The recommended way to measure GTW is to
put your fully loaded trailer on a vehicle scale.
The entire weight of the trailer must be
supported by the scale.
Gross Axle Weight Rating (GAWR)
The Gross Axle Weight Rating (GAWR) is the
maximum capacity of the front and rear axles.
Distribute the load over the front and rear axles
evenly. Make sure that you do not exceed either
front or rear GAWR. Refer to “Vehicle Loading/
Vehicle Certification Label” in this chapter for
further information.
CAUTION!
Do not load your vehicle any heavier than the
GVWR or the maximum front and rear GAWR.
If you do, parts on your vehicle can break, or
it can change the way your vehicle handles.
This could cause you to lose control. Also
overloading can shorten the life of your
vehicle.
WARNING!
It is important that you do not exceed the
maximum front or rear GAWR. A dangerous
driving condition can result if either rating is
exceeded. You could lose control of the
vehicle and have a collision.
5
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292STARTING AND OPERATING
NOTE:
The trailer tongue weight must be considered as
part of the combined weight of occupants and
cargo, and should never exceed the weight
referenced on the Tire and Loading Information
placard. Refer to “Tires” in “Servicing And Main -
tenance” for further information.Vehicle Loading Chart
Follow these steps to determine the total weight
the vehicle can carry.
1. Determine the cargo capacity of your vehicle.
Load Capacity = GVWR – Curb (weight of
vehicle full fluids NO Occupants).
2. Determine occupant count.
For calculation purposes, average weight
of an occupant is 150 lb (68 kg). EXAMPLE:
GVWR = 6005 lbs (2723 kg)
CURB = 4500 lbs (2041 kg)
Load Capacity = GVWR – CURB = 6005 lbs
(2723 kg) - 4500 lbs (2041 kg) = 1505 lbs
(682 kg)
4 Occupants (at 150 lbs [68 kg]) + Max Trailer =
1505 lbs (682 kg) – 600 lbs (272 kg) (4 x
150 lbs [68 kg]) – 360 lbs (163 kg) (10% of
3600 lbs [1632 kg]) = 545 lbs (247 kg) of
cargo in vehicle
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STARTING AND OPERATING293
Number Of Persons / Weight Of Occupants Max Cargo No
Trailer Tongue Load, Max
Trailer Max Cargo With
Max Trailer 360 lb (136 kg) Tongue Load
2 People / 300 lbs (136) kg 1205 lbs (546 kg)
1205 lbs (546 kg) –
360 lbs (136 kg) =
845 lbs (383 kg)
845 lbs (383 kg)
4 people / 600 lbs (272 kg) 955 lbs (433 kg)
955 lbs (433 kg) –
360 lbs (136 kg) =
545 lbs (247 kg)
545 lbs (247 kg)
7 people / 1050 lbs (476 kg) 455 lbs (206 kg)
455 lbs (206 kg) –
360 lbs (163 kg) =
95 lbs (43 kg)
95 lbs (43 kg)
5
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294STARTING AND OPERATING
(Continued)
Make sure loading does not exceed GAWR of
front or rear axles.
GAWR is found on sticker in Driver’s Side
Door Jamb.
Trailer And Tongue Weight
Never exceed the maximum tongue weight
stamped on your bumper or trailer hitch.
Weight Distribution
Consider the following items when computing
the weight on the rear axle of the vehicle:
The tongue weight of the trailer.
The weight of any other type of cargo or
equipment put in or on your vehicle.
The weight of the driver and all passengers. NOTE:
Remember that everything put into or on the
trailer adds to the load on your vehicle. Also,
additional factory-installed options or
dealer-installed options must be considered as
part of the total load on your vehicle. Refer to
the “Tire And Loading Information” placard for
the maximum combined weight of occupants
and cargo for your vehicle.
Towing Requirements
To promote proper break-in of your new vehicle
drivetrain components, the following guidelines
are recommended.
Perform the maintenance listed in the
“Scheduled Servicing”. Refer to “Scheduled
Servicing” in “Servicing And Maintenance” for
the proper maintenance intervals. When towing
a trailer, never exceed the GAWR or GCWR
ratings.
CAUTION!
Do not tow a trailer at all during the first
500 miles (805 km) the new vehicle is
driven. The engine, axle or other parts could
be damaged.
Then, during the first 500 miles (805 km) that a trailer is towed, do not drive over
50 mph (80 km/h) and do not make starts
at full throttle. This helps the engine and
other parts of the vehicle wear in at the
heavier loads.
WARNING!
Make certain that the load is secured in the
trailer and will not shift during travel. When
trailering cargo that is not fully secured,
dynamic load shifts can occur that may be
difficult for the driver to control. You could
lose control of your vehicle and have a colli -
sion.
When hauling cargo or towing a trailer, do
not overload your vehicle or trailer. Over -
loading can cause a loss of control, poor
performance or damage to brakes, axle,
engine, transmission, steering, suspension,
chassis structure or tires.
Safety chains must always be used
between your vehicle and trailer. Always
connect the chains to the hook retainers of
the vehicle hitch. Cross the chains under
the trailer tongue and allow enough slack
for turning corners.
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316IN CASE OF EMERGENCY
F57 ––Not Used
F58 – 10 Amp Red
Drive Train Control Mod / Power
Transfer Unit — If Equipped
F59
30 Amp Pink –
Trailer Tow Receptacle — If Equipped
F60
–20 Amp Yellow Rear Cargo APO
F61 –20 Amp Yellow
Trailer Tow Right Stop/Turn —
If Equipped
F62––Not Used
F63 –20 Amp Yellow Trailer Tow Left Stop/Turn —
If Equipped
F64–15 Amp Blue RT HID Headlamp
F65 ––Not Used
F66 –15 Amp BlueInstrument Panel Cluster (IPC)/
SGW
F67 –10 Amp RedHaptic Lane Feedback Module
(HALF) / Parktronics System (PTS)/ Drivers Assist System Module (DASM)
F68 ––Not Used
F69 ––Not Used
F70 ––Not Used
F71 –20 Amp Yellow Horn
CavityCartridge Fuse Blade FuseDescription
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324IN CASE OF EMERGENCY
3. Place the wrench on the jack screw and turn
clockwise until the jack head is properly
engaged in the described location. Do not
raise the vehicle until you are sure the jack
is securely engaged.
4. Raise the vehicle by turning the jack screw clockwise, using the swivel wrench. Raise
the vehicle only until the tire just clears the
surface and enough clearance is obtained
to install the compact spare tire. Minimum
tire lift provides maximum stability.
5. Remove the wheel lug nuts, for vehicles with wheel covers, remove the cover from
the wheel by hand. Do not pry the wheel
cover off. Then pull the wheel off the hub.
6. Install the inflatable spare on the vehicle, located in the rear cargo area of the vehicle.
Mounting Inflatable Spare Tire
NOTE:
Do not install the wheel cover on the inflatable
spare tire.
7. Leave the vehicle on the jack and start
inflating the inflatable spare after the tire
has been mounted to the vehicle. Secure
the wheel to the hub by tightening the nuts
with the wrench. After inflation, once the
vehicle is lowered you will have a second
opportunity to “torque” the lug nuts.
8. Inflate the tire to the prescribed pressure 60 psi (4.2 Bar) using the Portable Air
Compressor or Tire Service Kit if equipped.
Refer to “Portable Air Compressor” in this
section for usage procedure if equipped.
Refer to “Tire Service Kit For Inflating Tire” in
this section for usage procedure if equipped.
9. Lower the vehicle once the inflatable Spare has reached its pressure and the
compressor-hose has been removed from
the tire valve.
WARNING!
Raising the vehicle higher than necessary can
make the vehicle less stable. It could slip off
the jack and hurt someone near it. Raise the
vehicle only enough to remove the tire.
WARNING!
To avoid the risk of forcing the vehicle off the
jack, do not tighten the wheel nuts fully until
the vehicle has been lowered. Failure to
follow this warning may result in serious
injury.
CAUTION!
Be sure to mount the inflatable spare tire with
the valve stem facing outward. The vehicle
could be damaged if the inflatable spare tire
is mounted incorrectly.
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10. Finish tightening the lug nuts. Push down on
the 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. Refer to “Wheel And Tire
Torque Specifications” in “Technical
Specifications” for proper wheel lug nut
torque. If in doubt about the correct
tightness, have them checked with a torque
wrench by an authorized dealer or at a
service station.
11. Lower the jack to its fully-closed position.
12. Place the deflated (flat) tire and foam tray cover assembly in the rear cargo area. Do
not stow the deflated tire in the inflatable
spare tire location. Have the full-sized tire
repaired or replaced, as soon as possible. 13. Stow the jack back in the stowage
compartment and place the access panel
back. The stud of the storage area must be
threaded through the lower part of the jack.
Then turn the Jack Screw clockwise to
secure it in place.
NOTE:
Stow the foam tray and components in the
cargo area.
Storing The Jack
Road Tire Installation
Vehicles Equipped With Wheel Covers
1. Mount the road tire on the axle.
2. To ease the installation process for steel wheels with wheel covers, install two lug
nuts on the mounting studs which are on
each side of the valve stem. Install the lug
nuts with the cone shaped end of the nut
toward the wheel. Lightly tighten the lug
nuts.
Tire And Wheel Cover Or Center Cap
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. Have the deflated (flat) tire repaired
or replaced immediately.
1 — Jack Screw
2 — Jack
3 — Stud
1 — Valve Stem
2 — Valve Notch
3 — Wheel Lug Nut
4 — Wheel Cover
5 — Mounting Stud
6
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