GETTING TO KNOW YOUR VEHICLE 71
NOTE:
It is not necessary to move the temperature
settings for cold or hot vehicles. The system
automatically adjusts the temperature,
mode, and blower speed to provide comfort
as quickly as possible.
The temperature can be displayed in U.S. or
Metric units by selecting the US/Metric customer
programmable feature. Refer to the “Uconnect
Settings” in “Multimedia” for further information.
To provide you with maximum comfort in the
Automatic mode during cold start-ups, the blower
fan remains on low until the engine warms up.
The blower will increase in speed and transition
into Auto mode.
Manual Operation Override
This system offers a full complement of manual
override features. The AUTO symbol in the front
ATC display will be turned off when the system
is being used in the manual mode.
OPERATING TIPS
NOTE:
Refer to the chart at the end of this section for
s u
ggested control settings for various weather
conditions.
Summer Operation
The engine cooling system must be protected
with a high-quality antifreeze coolant to provide
proper corrosion protection and to protect
against engine overheating. OAT coolant
(conforming to MS.90032) is recommended.
Refer to “Fluids And Lubricants” in “Technical
Specifications” for proper coolant selection.
Winter Operation
To ensure the best possible heater and defroster
performance, make sure the engine cooling
system is functioning properly and the proper
amount, type, and concentration of coolant is
used. Refer to “Fluids And Lubricants” in
“Technical Specifications” for proper coolant
selection. Use of the air Recirculation mode
during Winter months is not recommended,
because it may cause window fogging.
Vacation/Storage
Before you store your vehicle, or keep it out of
service (i.e., vacation) for two weeks or more, run
the air conditioning system at idle for about five
minutes, in fresh air with the blower setting on high.
This will ensure adequate system lubrication to
minimize the possibility of compressor damage
when the system is started again.
Window Fogging
Vehicle windows tend to fog on the inside in
mild, rainy, and/or humid weather. To clear the
windows, select Defrost or Mix mode and
increase the front blower speed. Do not use the
Recirculation mode without A/C for long
periods, as fogging may occur.
CAUTION!
Failure to follow these cautions can cause
damage to the heating elements:
Use care when washing the inside of the
rear window. Do not use abrasive window
cleaners on the interior surface of the
window. Use a soft cloth and a mild
washing solution, wiping parallel to the
heating elements. Labels can be peeled off
after soaking with warm water.
Do not use scrapers, sharp instruments, or
abrasive window cleaners on the interior
surface of the window.
Keep all objects a safe distance from the
window.
2
94 GETTING TO KNOW YOUR INSTRUMENT PANEL
INSTRUMENT CLUSTER DESCRIPTIONS
1. Tachometer
Indicates the engine speed in revolutions
per minute (RPM x 1000).
2. I nstrument Cluster Display
When the appropriate conditions exist,
this display shows the instrument cluster
display messages. Refer to “Instrument
Cluster Display” in this chapter for further
information.
3. S peedometer
Indicates vehicle speed.
4. F uel Gauge
The pointer shows the level of fuel in the
fuel tank when the Keyless Push Button
Ignition is in the ON/RUN position.
The fuel pump symbol points
to the side of the vehicle where
t h
e fuel door is located. 5. T
emperature Gauge
The temperature gauge shows engine
coolant temperature. Any reading within
the normal range indicates that the
engine cooling system is operating satis
-
factorily.
The gauge pointer will likely indicate a
higher temperature when driving in hot
weather, up mountain grades, or when
towing a trailer. It should not be allowed
to exceed the upper limits of the normal
operating range.
NOTE:
The hard telltales will illuminate for a bulb check
w h
en the ignition is first cycled.
WARNING!
A hot engine cooling system is dangerous.
You or others could be badly burned by steam
o r
boiling coolant. You may want to call an
authorized dealer for service if your vehicle
overheats. If you decide to look under the hood
yourself, see “Servicing And Maintenance.”
Follow the warnings under the Cooling System
Pressure Cap paragraph.
CAUTION!
Driving with a hot engine cooling system could
damage your vehicle. If the temperature gauge
reads “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 the “H,” turn
the engine off immediately and call an
authorized dealer for service.
98 GETTING TO KNOW YOUR INSTRUMENT PANEL
The Trip Functions mode displays the following
information:
Trip A
Shows the total distance traveled for Trip A
since the last reset.
Shows the elapsed time traveled for Trip A
since the last reset.
Trip B
Shows the total distance traveled for Trip B
since the last reset.
Shows the elapsed time traveled for Trip B
since the last reset.
Elapsed Time
Shows the total elapsed time of travel since the
l a
st reset. Elapsed time will increment when the
ignition is in the ON/RUN position.
To Reset The Display
Reset will only occur while a resettable function
i s
being displayed. Push and release the right
arrow button once to clear the resettable
function.
Tire Pressure
Push and release the up or down arrow button
until “Tire PSI:” displays highlighted in the
instrument cluster display. Push and release
the right arrow button to view a graphic of the
vehicle with a tire pressure value at each corner
of the graphic.
Vehicle Info (Customer Information
Features)
Push and release the up or down arrow button
until “Vehicle Info” displays in the instrument
cluster display and push the right arrow button.
Push the up or down arrow button to scroll
through the available information displays.
Coolant Temperature
Displays the actual coolant temperature.
Oil Temperature
Displays the actual oil temperature.
Oil Pressure - If Equipped
Displays the actual oil pressure.
Transmission Temperature
Displays the actual transmission temperature.
Engine Hours
Displays the number of hours of engine operation.
Messages
Push and release the up or down arrow button
until “Messages: XX” displays highlighted in the
instrument cluster display. If there is more than
one message, pushing the right arrow button
will display a stored warning message. Push
and release the up or down arrow button if there
is more than one message to cycle through the
remaining stored messages. If there are no
messages, pushing the right arrow button will
not change the display.
Turn Menu OFF
Select from the Main Menu using the up or
down arrow button. Pushing the right arrow
button clears the menu display. Pushing any
one of the four Display control buttons will bring
the menu back.
GETTING TO KNOW YOUR INSTRUMENT PANEL 101
If the light remains on when the parking brake has
been disengaged, and the fluid level is at the full
mark on the master cylinder reservoir, it indicates a
possible brake hydraulic system malfunction or that
a problem with the Brake Booster has been
detected by the Anti-Lock Brake System (ABS) /
Electronic Stability Control (ESC) system. In this
case, the light will remain on until the condition has
been corrected. If the problem is related to the
brake booster, the ABS pump will run when applying
the brake, and a brake pedal pulsation may be felt
during each stop.
The dual brake system provides a reserve
br
aking capacity in the event of a failure to a
portion of the hydraulic system. A leak in either
half of the dual brake system is indicated by the
Brake Warning Light, which will turn on when
the brake fluid level in the master cylinder has
dropped below a specified level.
The light will remain on until the cause is
c o
rrected.
NOTE:
The light may flash momentarily during sharp
c o
rnering maneuvers, which change fluid level
conditions. The vehicle should have service
performed, and the brake fluid level checked. If brake failure is indicated, immediate repair is
n
e
cessary.
Vehicles equipped with the Anti-Lock Brake
S y
stem (ABS) are also equipped with Electronic
Brake Force Distribution (EBD). In the event of
an EBD failure, the Brake Warning Light will turn
on along with the ABS Light. Immediate repair to
the ABS system is required.
Operation of the Brake Warning Light can be
c h
ecked by turning the ignition switch from the
OFF position to the ON/RUN position. The light
should illuminate for approximately two
seconds. The light should then turn off unless
the parking brake is applied or a brake fault is
detected. If the light does not illuminate, have
the light inspected by an authorized dealer.
The light also will turn on when the parking
b r
ake is applied with the ignition switch in the
ON/RUN position. NOTE:
This light shows only that the parking brake is
a p
plied. It does not show the degree of brake
application.
Vehicle Security Warning Light — If
Equipped
This light will flash at a fast rate for
approximately 15 seconds when the
v e
hicle security alarm is arming, and
then will flash slowly until the vehicle
is disarmed.
Engine Coolant Temperature Warning
Light
This warning light warns of an
overheated engine condition. If the
e n
gine coolant temperature is too
high, this indicator will illuminate and
a single chime will sound. If the temperature
reaches the upper limit, a continuous chime will
sound for four minutes or until the engine is
able to cool, whichever comes first.
If the light turns on while driving, safely pull over
a n
d stop the vehicle. If the Air Conditioning (A/C)
system is on, turn it off. Also, shift the
transmission into NEUTRAL and idle the vehicle.
WARNING!
Driving a vehicle with the red brake light on is
dangerous. Part of the brake system may
have failed. It will take longer to stop the
vehicle. You could have a collision. Have the
vehicle checked immediately.
3
STARTING AND OPERATING 167
Transmission Limp Home Mode
Transmission function is monitored
electronically for abnormal conditions. If a
condition is detected that could result in
transmission damage, Transmission Limp
Home Mode is activated. In this mode, the
transmission remains in SECOND gear
regardless of which forward gear is selected.
PARK, REVERSE, and NEUTRAL will continue to
operate. The Malfunction Indicator Light (MIL)
may be illuminated. Limp Home Mode allows
the vehicle to be driven to an authorized dealer
for service without damaging the transmission.
In the event of a momentary problem, the
tr
ansmission can be reset to regain all forward
gears by performing the following steps:
1. S top the vehicle.
2
. S hift the transmission into PARK.
3
. T urn the ignition OFF.
4
. W ait approximately 10 seconds.
5
. R estart the engine.
6
. S hift into the desired gear range. If the
p
roblem is no longer detected, the
transmission will return to normal operation.
NOTE:
Even if the transmission can be reset, we
r e
commend that you visit an authorized dealer
at your earliest possible convenience. An autho -
rized dealer has diagnostic equipment to
a s
sess the condition of your transmission.
If the transmission cannot be reset, authorized
d e
aler service is required.
Overdrive Operation
The automatic transmission includes an
electronically controlled Overdrive (top gear).
The transmission will automatically shift into
Overdrive if the following conditions are
present:
The gear selector is in the DRIVE position.
The transmission fluid has reached an
adequate temperature.
The engine coolant has reached an adequate
temperature.
The vehicle speed is sufficiently high.
The driver is not heavily pressing the acceler -
ator.
Torque Converter Clutch
A feature designed to improve fuel economy
has been included in the automatic
transmission on your vehicle. A clutch within the
torque converter engages automatically at
calibrated speeds. This may result in a slightly
different feeling or response during normal
operation in the upper gears. When the vehicle
speed drops or during some accelerations, the
clutch automatically disengages.
NOTE:
The torque converter clutch will not engage until
t h
e transmission fluid and engine coolant are
warm (usually after 1 to 3 miles [2 to 5 km] of
d r
iving). Because the engine speed is higher
when the torque converter clutch is not
engaged, it may seem as if the transmission is
not shifting into Overdrive when cold. This is
normal. Using the AutoStick shift control, when
the transmission is sufficiently warm, will
demonstrate that the transmission is able to
shift into and out of Overdrive.
5
IN CASE OF EMERGENCY 209
Disconnecting The Jumper Cables
1. D isconnect the negative
(-)
jumper cable
from the remote negative (-)
post of the
vehicle with the discharged battery.
2. D isconnect the negative end (
-) of the
jumper cable from the negative (-) post of
the booster battery.
3. D isconnect the opposite end of the
p
ositive (+)
jumper cable from the
positive (+)
post of the booster battery.
4. D isconnect the positive (
+) end of the
jumper cable from the remote positive (+)
post of the discharged vehicle.
5. R einstall the protective cover over the
r
emote positive (+) battery post of the
discharged vehicle.
If frequent jump starting is required to start
your vehicle, you should have the battery and
c h
arging system inspected at an authorized
dealer.
IF YOUR ENGINE OVERHEATS
In any of the following situations, you can
reduce the potential for overheating by taking
the appropriate action.
On the highways — slow down.
In city traffic — while stopped, place the trans -
mission in NEUTRAL, but do not increase the
e n
gine idle speed while preventing vehicle
motion with the brakes. NOTE:
There are steps that you can take to slow down
an
impending overheat condition:
If your Air Conditioner (A/C) is on, turn it off.
The A/C system adds heat to the engine
cooling system and turning the A/C off can
help remove this heat.
You can also turn the temperature control to
maximum heat, the mode control to floor and
the blower control to high. This allows the
heater core to act as a supplement to the
radiator and aids in removing heat from the
engine cooling system.
CAUTION!
Accessories plugged into the vehicle power
outlets draw power from the vehicle’s battery,
even when not in use (i.e., cellular devices,
etc.). Eventually, if plugged in long enough
without engine operation, the vehicle’s battery
will discharge sufficiently to degrade battery
life and/or prevent the engine from starting.
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.
6
216
SERVICING AND MAINTENANCE
SCHEDULED SERVICING
Your vehicle is equipped with an automatic
oil change indicator system. The oil change
i n
dicator 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 service is required for your
v e
hicle. Operating conditions such as frequent
short-trips, trailer tow, extremely hot or cold
ambient temperatures, and E-85 fuel usage will
influence when the “Change Oil” or “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
s e
rviced as soon as possible, within the next
500 miles (805 km).
An authorized dealer will reset the oil change
i
n
dicator message after completing the
scheduled oil change. If a scheduled oil change
is performed by someone other than an
authorized dealer, the message can be reset
by referring to the steps described under
“ I
nstrument Cluster Display” in “Getting To
Know Your Instrument Panel” for further
information.
NOTE:
Under no circumstances should oil change
i n
tervals exceed 10,000 miles (16,000 km),
1 2
months or 350 hours of engine run time,
w h
ichever comes first. The 350 hours of engine
run or idle time is generally only a concern for
fleet customers.
Severe Duty All Models
Change engine oil at 4,000 miles (6,500 km) or
3 5
0 hours of engine run time if the vehicle is
operated in a dusty and off road environment or
is operated predominately at idle or only very
low engine RPM. 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.
Check tire pressure and look for unusual
wear or damage. Rotate tires at the first sign
of irregular wear, even if it occurs before the
oil indicator system turns on.
Check the fluid levels of the coolant reservoir,
brake master cylinder, power steering, and
transmission (4-speed only) and fill as
needed.
Check function of all interior and exterior
lights.
228 SERVICING AND MAINTENANCE
(Continued)
Under normal operating conditions, the catalytic
converter will not require maintenance. However,
it is important to keep the engine properly tuned
to ensure proper catalyst operation and prevent
possible catalyst damage.
NOTE:
Intentional tampering with emissions control
s y
stems can result in civil penalties being
assessed against you.
In unusual situations involving grossly
m a
lfunctioning engine operation, a scorching odor
may suggest severe and abnormal catalyst
overheating. If this occurs, stop the vehicle, turn off
the engine and allow it to cool. Service, including a
tune-up to manufacturer's specifications, should be
obtained immediately.
To minimize the possibility of catalytic converter
d a
mage:
Do not interrupt the ignition when the trans -
mission is in gear and the vehicle is in
m o
tion.
Do not try to start the vehicle by pushing or
towing the vehicle.
Do not idle the engine with any ignition
components disconnected or removed, such
as when diagnostic testing, or for prolonged
periods during very rough idle or malfunc -
tioning operating conditions.
COOLING SYSTEM
Coolant Checks
Check the engine coolant (antifreeze) protection
every 12 months (before the onset of freezing
w e
ather, where applicable). If the engine coolant
(antifreeze) is dirty or rusty in appearance, the
system should be drained, flushed, and refilled
with fresh engine coolant (antifreeze). Check the
front of the A/C condenser for any accumulation
of bugs, leaves, etc. If dirty, clean by gently
spraying water from a garden hose vertically
down the face of the condenser.
Check the coolant recovery bottle tubing for
b r
ittle rubber, cracking, tears, cuts, and
tightness of the connection at the bottle and
radiator. Inspect the entire system for leaks.
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 open a
cooling system pressure cap when the radiator
or coolant bottle is hot.
Keep hands, tools, clothing, and jewelry
away from the radiator cooling fan when
the hood is raised. The fan starts automati -
cally and may start at any time, whether the
e n
gine is running or not.
When working near the radiator cooling fan,
disconnect the fan motor lead or turn the
ignition to the OFF mode. The fan is
temperature controlled and can start at any
time the ignition is in the ON mode.
WARNING!
The warning words “DO NOT OPEN HOT” on
the cooling system pressure cap are a
safety precaution. Never add engine
coolant (antifreeze) when the engine is
overheated. Do not loosen or remove the
cap to cool an overheated engine. Heat
causes pressure to build up in the cooling
system. To prevent scalding or injury, do not
remove the pressure cap while the system
is hot or under pressure.