Page 309 of 464

•The Tire Pressure Monitoring System (TPMS) will
warn the driver of a low tire pressure if the tire
pressure falls below the low pressure warning thresh-
old for any reason, including low temperature effects.
•The Tire Pressure Monitoring System (TPMS) will
continue to warn the driver of low tire pressure as long
as the condition exists, and will not turn off until the
tire pressure is at or above recommended cold placard
pressure. Once the low tire pressure warning telltale
has been illuminated, the tire pressure must be in-
creased to the recommended cold placard pressure in
order for the Tire Pressure Monitoring System warning
telltale to be turned off. The system will automatically
update and the Tire Pressure Monitoring System
warning telltale will extinguish once the updated tire
pressures have been received.
NOTE:
The vehicle may need to be driven for up to 10
minutes above 15 mph (25 km/h) to receive this information.
Tire Pressure Monitoring Base System without
Electronic Vehicle Information Center (EVIC) — If
Equipped
The Tire Pressure Monitor System (TPMS) uses wireless
technology with wheel rim mounted electronic sensors to
monitor tire pressure levels (EXCLUDING THE SPARE
TIRE). Sensors, mounted to each wheel as part of the
valve stem, transmit tire pressure readings to the Re-
ceiver Module.
NOTE:It is particularly important, for you to check the
tire pressure in all of your tires regularly and too main-
tain the proper pressure.
The Tire Pressure Monitor System (TPMS) consists of the
following components:
•Receiver Module
•4 Wheel Sensors
•Tire Pressure Monitoring Telltale Lamp
STARTING AND OPERATING 309
5
Page 310 of 464

Tire Pressure Monitoring Low Pressure Warnings
The Tire Pressure Monitoring Telltale Lamp
will illuminate in the instrument cluster and an
audible chime will be activated when one or
more of the four active road tire pressures are
low. The audible chime will sound once every ignition
cycle for each low tire condition that it detects.
Should this occur you should stop as soon as possible,
check the inflation pressure of each tire on your vehicle,
and inflate each tire to the pressure recommended by the
vehicle tire pressure placard. The system will automati-
cally update and the Tire Pressure Monitoring System
Lamp will extinguish once the updated tire pressure(s)
have been received.
NOTE:The vehicle may need to be driven for up to 10
minutes above 15 mph (25 km/h) to receive this infor-
mation.NOTE:A low spare or compact tire pressure will not
cause the Tire Pressure Monitoring System Telltale Lamp
to illuminate or the chime to sound.
Base Tire Pressure Monitoring System with
Electronic Vehicle Information Center (EVIC) — If
Equipped
The Tire Pressure Monitor System (TPMS) uses wireless
technology with wheel rim mounted electronic sensors to
monitor tire pressure levels (EXCLUDING THE SPARE
TIRE). Sensors, mounted to each wheel as part of the
valve stem, transmit tire pressure readings to the Re-
ceiver Module.
NOTE:It is particularly important, for you to check the
tire pressure in all of your tires regularly and too main-
tain the proper pressure.
310 STARTING AND OPERATING
Page 312 of 464

Service Tire System Soon
The Tire Pressure Monitoring Telltale Lamp will flash on
and off for 60 seconds in the instrument cluster, and an
audible chime will be activated when one or more of the
four active road tire pressures are low.
In addition the Electronic Vehicle Information Center
(EVIC) will display a“SERVICE TIRE SYSTEM SOON”
text message. The flash cycle will repeat every ten
minutes, without an audible chime, until the condition no
longer exists. The flash cycle sequence will repeat and an
audible chime will sound once every ignition cycle for
each condition that it detects.
NOTE:If a temporary spare tire is in use and none of
the remaining 3 active road tire pressures are low, a
“SERVICE TIRE SYSTEM SOONtextual message will
appear in the EVIC after 10 minutes of driving,CAUTION!
The Tire Pressure Monitoring System has been op-
timized for the original equipment tires and wheels.
TPMS pressures have been established for the tire
size equipped on your vehicle. Undesirable system
operation or sensor damage may result when using
replacement equipment that is not of the same size,
type, and/or style. After-market wheels can cause
sensor damage. Do not use tire sealant from a can, or
balance beads if your vehicle is equipped with a
TPM System, as damage to the sensors may result.
312 STARTING AND OPERATING
Page 314 of 464

Monitoring Lamp to be ON, and a Chime will sound.
This sequence will repeat for every key cycle until the
original Tire Pressure Monitoring System tire has been
properly repaired (or replaced) and put back on the
vehicle in place of the compact spare tire.
Tire Pressure Monitoring Premium System – If
Equipped
The Tire Pressure Monitor System (TPMS) uses wireless
technology with wheel rim mounted electronic sensors to
monitor tire pressure levels. Sensors, mounted to each
wheel as part of the valve stem, transmit tire pressure
readings to the Receiver Module.
NOTE:It is particularly important, for you to check the
tire pressure in all of your tires regularly and to maintain
the proper pressure.
The Tire Pressure Monitor System (TPMS) consists of the
following components:
•Receiver Module
•4 Wheel Sensors
•Wheel Sensor Trigger Modules (mounted in three of
the four wheel wells)
•Various Tire Pressure Monitoring System Messages,
which display in the Electronic Vehicle Information
Center (EVIC)
•Yellow Tire Pressure Monitoring Telltale Light
Tire Pressure Monitoring Low Pressure Warnings
The Tire Pressure Monitoring System Telltale Lamp will
illuminate in the instrument cluster, and an audible
chime will be activated when one or more of the four
active road tire pressures are low. The audible chime will
sound once every ignition cycle for each condition that it
detects. In addition, the Electronic Vehicle Information
Center (EVIC) will show a graphic display of the pressure
value(s) with the low tire(s) flashing.
314 STARTING AND OPERATING
Page 316 of 464

NOTE:Your vehicle is equipped with a compact spare
wheel and tire assembly that does not have a tire pressure
monitoring sensor. Therefore, it will not be monitored by
the Tire Pressure Monitoring System. In the event that a
compact spare tire is used to replace a low pressure road
tire, the next ignition key cycle will still show the Tire
Pressure Monitoring Lamp to be ON, a Chime will
sound, and the Electronic Vehicle Information Center
(EVIC) will still show the low tire pressure value flashing
on the graphic display. This sequence will repeat for
every key cycle until the original Tire Pressure Monitor-
ing System (TPMS) tire has been properly repaired (or
replaced) and put back on the vehicle in place of the
compact spare tire.CAUTION!
The Tire Pressure Monitoring System (TPMS) has
been optimized for the original equipment tires and
wheels. TPMS pressures have been established for
the tire size equipped on your vehicle. Undesirable
system operation or sensor damage may result when
using replacement equipment that is not of the same
size, type, and/or style. After-market wheels can
cause sensor damage. Do not use tire sealant from a
can, or balance beads if your vehicle is equipped
with a TPMS, as damage to the sensors may result.
316 STARTING AND OPERATING
Page 328 of 464

Overloading
The load carrying components (axle, springs, tires,
wheels, etc.) of your vehicle will provide satisfactory
service as long as you do not exceed the GVWR and front
and rear GAWR.
The best way to figure out the total weight of your
vehicle is to weigh it when it is fully loaded and ready for
operation. Weigh it on a commercial scale to insure that it
is not over the GVWR.
Figure out the weight on the front and rear of the vehicle
separately. It is important that you distribute the load
evenly over the front and rear axles.
Overloading can cause potential safety hazards and
shorten useful service life. Heavier axles or suspension
components do not necessarily increase the vehicle’s
GVWR.
Loading
To load your vehicle properly, first figure out its empty
weight, axle by axle and side by side. Store heavier items
down low and be sure you distribute their weight as
evenly as possible. Stow all loose items securely before
driving. If weighing the loaded vehicle shows that you
have exceeded either GAWR, but the total load is within
the specified GVWR, you must redistribute the weight.
Improper weight distribution can have an adverse effect
on the way your vehicle steers and handles and the way
the brakes operate.
328 STARTING AND OPERATING
Page 337 of 464

WARNING!
Improper towing can lead to an injury accident.
Follow these guidelines to make your trailer towing
as safe as possible:
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 an accident.
•When hauling cargo or towing a trailer, do not over-
load your vehicle or trailer. Overloading can cause a
loss of control, poor performance or damage to brakes,
axle, engine, transmission, steering, suspension, chas-
sis structure or tires.
•Safety chains must always be used between your
vehicle and trailer. Always connect the chains to the
frame or hook retainers of the vehicle hitch. Cross the
chains under the trailer tongue and allow enough
slack for turning corners.
•Vehicles with trailers should not be parked on a grade.
When parking, apply the parking brake on the tow
vehicle. Put the tow vehicle automatic transmission in
P for Park. Always, block orchockthe trailer wheels.
•GCWR must not be exceeded.
•Total weight must be distributed between the tow
vehicle and the trailer such that the following four
ratings are not exceeded:
1. GVWR
2. GTW
3. GAWR
STARTING AND OPERATING 337
5
Page 338 of 464

4. Tongue weight rating for the trailer hitch utilized
(This requirement may limit the ability to always
achieve the 10% to 15% range of tongue weight as a
percentage of total trailer weight).
Towing Requirements — Tires
Do not attempt to tow a trailer while using a compact
spare tire.
Proper tire inflation pressures are essential to the safe
and satisfactory operation of your vehicle. Refer to the
Tires–General Information section of this manual on
Tire Pressures for proper tire inflation procedures.
Also, check the trailer tires for proper tire inflation
pressures before trailer usage.
Check for signs of tire wear or visible tire damage
before towing a trailer. Refer to the Tires–General
Information section of this manual on Tread Wear
Indicators for the proper inspection procedure.
When replacing tires refer to the Tires–General Infor-
mation section of this manual on Replacement Tires for
proper tire replacement procedures. Replacing tires
with a higher load carrying capacity will not increase
the vehicle’s GVWR and GAWR limits.
Towing Requirements — Trailer Brakes
Donotinterconnect the hydraulic brake system or
vacuum system of your vehicle with that of the trailer.
This could cause inadequate braking and possible
personal injury.
An electronically actuated trailer brake controller is
required when towing a trailer with electronically
actuated brakes. When towing a trailer equipped with
a hydraulic surge actuated brake system, an electronic
brake controller is not required.
338 STARTING AND OPERATING