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 the tires on your vehicle monthly
and to maintain the proper pressure.
The TPMS consists of the following components:
• Receiver Module
• Four Tire Pressure Monitoring Sensors
• Tire Pressure Monitoring Telltale Light
Tire Pressure Monitoring Low Pressure Warnings
The “Tire Pressure Monitoring Telltale Light” will
illuminate in the instrument cluster, a LOW
TIRE message will be displayed for a minimum of five
seconds and a chime will sound when tire pressure is low in one or more of the four active road tires. An
Inflate to
XX message will also be displayed. 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 vehicle’s recommended cold placard pressure
value as shown in the Inflate to XXmessage. Once the
system receives the updated tire pressures, the system
will automatically update and the “Tire Pressure Moni-
toring Telltale Light” and LOW TIREmessage will turn
off. The vehicle may need to be driven for up to 20
minutes above 15 mph (24 km/h) in order for the TPMS
to receive this information.
Check TPMS Warning
The “Tire Pressure Monitoring Telltale Light” will flash
on and off for 75 seconds and then remain on solid when
a system fault is detected. The system fault will also
sound a chime. If the ignition key is cycled, this sequence
will repeat, providing the system fault still exists. The
362 STARTING AND OPERATING
“Tire Pressure Monitoring Telltale Light” will turn off
when the fault condition no longer exists. A system fault
can occur due to any of the following:
1. Jamming due to electronic devices or driving next tofacilities emitting the same Radio Frequencies as the
TPM sensors.
2. Installing some form of aftermarket window tinting that affects radio wave signals.
3. Lots of snow or ice around the wheels or wheel housings.
4. Using tire chains on the vehicle.
5. Using wheels/tires not equipped with TPM sensors. NOTE:
1. The compact spare tire (if equipped) does not have a
tire pressure monitoring sensor. Therefore, the TPMS
will not monitor the pressure in the compact spare tire.
2. If you install the compact spare tire in place of a road tire that has a pressure below the low-pressure warn-
ing limit, upon the next ignition key cycle, a chime will
sound and the “Tire Pressure Monitoring Telltale
Light” will turn ON and a LOW TIREmessage will
be displayed for a minimum of five seconds. An
Inflate to XX message will also be displayed.
3. After driving the vehicle for up to 20 minutes above 15 mph (24 km/h), the “Tire Pressure Monitoring
Telltale Light” will flash on and off for 75 seconds and
then remain on solid.
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STARTING AND OPERATING 363
4. For each subsequent ignition key cycle, a chime willsound and the “Tire Pressure Monitoring Telltale
Light” will flash on and off for 75 seconds and then
remain on solid.
5. Once you repair or replace the original road tire, and reinstall it on the vehicle in place of the compact spare,
the TPMS will update automatically and the “Tire
Pressure Monitoring Telltale Light” will turn OFF, as
long no tire pressure is below the low-pressure warn-
ing limit in any of the four active road tires. The
vehicle may need to be driven for up to 20 minutes
above 15 mph (24 km/h) in order for the TPMS to
receive this information.
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 the tires on your vehicle monthly
and to maintain the proper pressure.
The TPMS consists of the following components:
• Receiver Module
• Four Tire Pressure Monitoring Sensors
• Three 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)
• Tire Pressure Monitoring Telltale Light
364 STARTING AND OPERATING
Tire Pressure Monitoring Low Pressure Warnings
The “Tire Pressure Monitoring Telltale Light” will
illuminate in the instrument cluster and a chime
will sound when tire pressure is low in one or more of the
four active road tires. In addition, the Electronic Vehicle
Information Center (EVIC) will display a graphic show-
ing the pressure values of each tire with the low tire
pressure values flashing. An Inflate to XXmessage will
also be displayed.
Should this occur, you should stop as soon as possible,
and inflate all tires with low pressure (those flashing in
the EVIC graphic) to the vehicle’s recommended cold
placard pressure value as shown in the Inflate to XX
message. Once the system receives the updated tire
pressures, the system will automatically update, the
graphic display in the EVIC will stop flashing, and the
“Tire Pressure Monitoring Telltale Light” will turn off. The vehicle may need to be driven for up to 20 minutes
above 15 mph (24 km/h) in order for the TPMS to receive
this information.
Check TPMS Warning
When a system fault is detected, a chime will sound and
the “Tire Pressure Monitoring Telltale Light” will flash on
and off for 75 seconds and then remain on solid. In
addition, the EVIC will display a
CHECK TPM SYS-
TEM message for a minimum of five seconds and then
display dashes (- -) in place of the pressure value to
indicate which sensor is not being received.
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STARTING AND OPERATING 365
If the ignition key is cycled, this sequence will repeat,
providing the system fault still exists. If the system fault no
longer exists, the “Tire Pressure Monitoring Telltale Light”
will no longer flash, and theCHECK TPM SYSTEM
message will no longer display, and a pressure value will
display in place of the dashes. A system fault can occur due
to any of the following:
1. Jamming due to electronic devices or driving next to
facilities emitting the same Radio Frequencies as the
TPM sensors.
2. Installing some form of aftermarket window tinting that affects radio wave signals.
3. Lots of snow or ice around the wheels or wheel housings.
4. Using tire chains on the vehicle.
5. Using wheels/tires not equipped with TPM sensors. The EVIC will also display a
CHECK TPM SYSTEM
message for a minimum of five seconds when a system
fault related to an incorrect sensor location fault is
detected. In this case, the CHECK TPM SYSTEMmes-
sage is then followed with a graphic display with pres-
sure values still shown. This indicates that the pressure
values are still being received from the TPM sensors but
they may not be located in the correct vehicle position.
The system still needs to be serviced as long as the
CHECK TPM SYSTEM message is displayed.
NOTE:
1. The compact spare tire (if so equipped) does not have a tire pressure monitoring sensor. Therefore, the TPMS
will not monitor the pressure in the compact spare tire.
2. If you install the compact spare tire in place of a road tire that has a pressure below the low-pressure warn-
ing limit, upon the next ignition key cycle, the “Tire
Pressure Monitoring Telltale Light” will remain ON, a
366 STARTING AND OPERATING
chime will sound, and the EVIC will still display a
flashing pressure value and theInflate to XXmes-
sage in the graphic display.
3. After driving the vehicle for up to 20 minutes above 15 mph (24 km/h), the “Tire Pressure Monitoring
Telltale Light” will flash on and off for 75 seconds and
then remain on solid. In addition, the EVIC will
display a CHECK TPM SYSTEM message for a
minimum of five seconds and then display dashes (- -)
in place of the pressure value.
4. For each subsequent ignition key cycle, a chime will sound, the “Tire Pressure Monitoring Telltale Light”
will flash on and off for 75 seconds and then remain on
solid, and the EVIC will display a CHECK TPM
SYSTEM message for a minimum of five seconds and
then display dashes (- -) in place of the pressure value.
5. Once you repair or replace the original road tire, and reinstall it on the vehicle in place of the compact spare, the TPMS will update automatically. In addition, the
“Tire Pressure Monitoring Telltale Light” will turn
OFF and the graphic in the EVIC will display a new
pressure value instead of dashes (- -), as long no tire
pressure is below the low-pressure warning limit in
any of the four active road tires. The vehicle may need
to be driven for up to 20 minutes above 15 mph
(24 km/h) in order for the TPMS to receive this
information.
General Information
This device complies with part 15 of the FCC rules and
RSS 210 of Industry Canada. Operation is subject to the
following conditions:
•
This device may not cause harmful interference.
• This device must accept any interference received,
including interference that may cause undesired op-
eration.
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STARTING AND OPERATING 367
WARNING!
•Never have any smoking materials lit in or near the
vehicle when the gas cap is removed or the tank is
being filled.
• Never add fuel when the engine is running. This is
in violation of most state and federal fire regula-
tions and doing so may cause the MIL to turn on.
• A fire may result if gasoline is pumped into a
portable container that is inside of a vehicle. You
could be burned. Always place gas containers on
the ground while filling.
NOTE:
• When the fuel nozzle “clicks” or shuts off, the fuel tank
is full.
• Tighten the gas cap until you hear a “clicking” sound.
This is an indication that the gas cap is tightened properly. The MIL in the instrument cluster may turn
on if the gas cap is not secured properly. Make sure
that the gas cap is tightened each time the vehicle is
refueled.
Loose Filler Cap Message
If the vehicles diagnostic system determines that the fuel
filler cap in loose, improperly installed, or damaged, a
“gASCAP” message will be displayed in the instrument
cluster. Tighten the gas cap until a “clicking” sound is
heard. This is an indication that the gas cap is properly
tightened. Press the trip odometer reset button to turn off
the message. If the problem persists, the message will
appear the next time the vehicle is started. This might
indicate a damaged cap. If the problem is detected twice
in a row, the system will turn on the MIL. Resolving the
problem will turn the MIL off.
378 STARTING AND OPERATING
MAINTENANCE SCHEDULE
Your vehicle is equipped with an automatic oil change
indicator system. The oil change indicator system will
remind you that it is time to take your vehicle in for
scheduled maintenance.
Based on engine operation conditions, the oil change
indicator message will illuminate. This means that ser-
vice 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 otherthan your authorized dealer, the message can be reset by
referring to the steps described under “Electronic Vehicle
Information Center (EVIC)/Oil Change Required” in
“Understanding Your Instrument Panel” for further in-
formation.
NOTE:
Under no circumstances should oil change inter-
vals exceed 10,000 miles (16,000 km) or twelve months,
whichever comes first.
Severe Duty All Models
Change Engine Oil at 4000 miles (6,500 km) if the vehicle
is operated in a dusty and off road environment. This
type of vehicle use is considered Severe Duty
Once A Month Or Before A Long Trip:
• Check engine oil level.
• Check windshield washer fluid level.
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S478 MAINTENANCE SCHEDULES