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If the transmission temperature exceeds normal operating
limits, the transmission controller will modify the trans-
mission shift schedule and expand the range of torque
converter clutch engagement. This is done to prevent
transmission damage due to overheating. If the transmis-
sion becomes extremely hot, the “Transmission Tempera-
ture Warning Light” may illuminate and the transmission
may operate differently until the transmission cools down.
During very cold temperatures (-4°F [-20°C] or below),
transmission operation may be modified depending on
engine and transmission temperature as well as vehicle
speed. Normal operation will resume once the transmis-
sion temperature has risen to a suitable level.
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 remainsin fourth gear regardless of which forward gear is
selected. PARK, REVERSE, and NEUTRAL will continue
to operate. Limp Home Mode allows the vehicle to be
driven to an authorized dealer for service without dam-
aging the transmission.
In the event of a momentary problem, the transmission
can be reset to regain all forward gears by performing the
following steps:
1. Stop the vehicle.
2. Shift the transmission into PARK.
3. Turn the engine OFF.
4. Wait approximately 10 seconds.
5. Restart the engine.
6. Shift into the desired gear range. If the problem is no
longer detected, the transmission will return to normal
operation.
5
STARTING AND OPERATING 405
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NOTE:Even if the transmission can be reset, we recom-
mend that you visit your authorized dealer at your
earliest possible convenience. Your authorized dealer has
diagnostic equipment to determine if the problem could
recur.
If the transmission cannot be reset, authorized dealer
service is required.
Overdrive Operation
The automatic transmission includes an electronically
controlled Overdrive (sixth gear). The transmission will
automatically shift into Overdrive if the following con-
ditions are present:
•the shift lever is in the DRIVE position,
•the transmission fluid has reached an adequate tem-
perature,
•the engine coolant has reached an adequate tempera-
ture,
•vehicle speed is sufficiently high, and
•the driver is not heavily pressing the accelerator.
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 automati-
cally 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: Engagement of the torque converter clutch is
inhibited at very cold temperatures. 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. The torque
converter clutch will function normally once the trans-
mission is sufficiently warm.
406 STARTING AND OPERATING
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Towing Tips
Before setting out on a trip, practice turning, stopping
and backing the trailer in an area away from heavy
traffic.
Manual Transmission – If Equipped
If using a manual transmission vehicle for trailer towing,
all starts must be in first gear to avoid excessive clutch
slippage.
Automatic Transmission – If Equipped
The DRIVE range can be selected when towing. How-
ever, if frequent shifting or changes in engine speed occur
while in this range, use the AutoStickshift control to
select a lower gear ratio.
NOTE: Using a lower gear ratio while operating the
vehicle under heavy loading conditions, will improve
performance and extend transmission life by reducing
excessive shifting and heat buildup. This action will also
provide better engine braking. If you REGULARLY tow a trailer for more than 45 minutes of continuous operation,
then change the transmission fluid and filter as specified
for
police, taxi, fleet, or frequent trailer towing. Refer to
the Maintenance Schedule for the proper maintenance
intervals.
AutoStick
When using the AutoStick shift control, select the high-
est gear that allows for adequate performance and avoids
frequent downshifts. For example, choose 4if the
desired speed can be maintained. Choose 3or2 if
needed to maintain the desired speed.
Extended driving at high RPM should be avoided to
prevent excess heat generation. A reduction in vehicle
speed may be required to avoid extended driving at high
RPM. Return to a higher gear or vehicle speed when
grade or road conditions allow.
5
STARTING AND OPERATING 477
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CAUTION!
Racing the engine or spinning the wheels may lead to
transmission or clutch overheating and failure. Al-
low the engine to idle with the shift lever in NEU-
TRAL for at least one minute after every five rocking-
motion cycles. This will minimize overheating and
reduce the risk of transmission or clutch failure
during prolonged efforts to free a stuck vehicle.
NOTE: Turn off the Electronic Stability Program (ESP)
— if equipped, or Traction Control System (TCS) — if
equipped before rocking the vehicle. Refer to “Electronic
Brake Control” in “Starting And Operating” for further
information.
CAUTION!
•When “rocking” a stuck vehicle by moving be-
tween DRIVE (automatic transmission) or 1st Gear
(manual transmission) and REVERSE, do not spin
the wheels faster than 15 mph (24 km/h), or drive-
train 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 occurring).
510 WHAT TO DO IN EMERGENCIES
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Manual Transmission
•
Manual transmission vehicles can be flat towed (all
four wheels on the ground) with the transmission in
NEUTRAL.
•Manual transmission vehicles can also be towed with
the front wheels elevated, or on a flatbed truck (all
four wheelsOFFthe ground).
CAUTION!
DO NOT flat tow any disabled vehicle if condition is
related to a clutch, transmission or driveline compo-
nent. Damage to the drivetrain could result.
All Transmissions
If you must use the accessories (wipers, defroster, etc.)
while being towed, the key must be in the ON/RUN
position, not the ACC position. If the key fob is unavailable, or the battery is discharged,
see “Shift Lever Override” in “What To Do In Emergen-
cies” for instructions on shifting the automatic transmis-
sion out of PARK for towing.
CAUTION!
Do not use sling-type equipment when towing.
When securing the vehicle to a flatbed truck, do not
attach to front or rear suspension components. Dam-
age to your vehicle may result from improper towing.
514 WHAT TO DO IN EMERGENCIES
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Brake System
In order to assure brake system performance, all brake
system components should be inspected periodically.
Refer to the “Maintenance Schedule” for the proper
maintenance intervals.
WARNING!
Riding the brakes can lead to brake failure and
possibly a collision. Driving with your foot resting or
riding on the brake pedal can result in abnormally
high brake temperatures, excessive lining wear, and
possible brake damage. You would not have your full
braking capacity in an emergency.
Brake Master Cylinder
The fluid level in the master cylinder should be checked
when performing under hood services, or immediately if
the brake system warning light is on.Be sure to clean the top of the master cylinder area before
removing the cap. If necessary, add fluid to bring the
fluid level up to the requirements described on the brake
fluid reservoir. Fluid level can be expected to fall as the
brake pads wear. The brake fluid level should be checked
when the pads are replaced. However, low fluid level
may be caused by a leak and a checkup may be needed.
NOTE:
If your vehicle is equipped with a manual
transmission , the brake fluid reservoir supplies fluid to
both the brake system and the clutch release system. The
two systems are separated in the reservoir, and a leak in
one system will not affect the other system. The manual
transmission clutch release system should not require
fluid replacement during the life of the vehicle. If the
brake fluid reservoir is low and the brake system does
not indicate any leaks or other problems, it may be a
result of a leak in the hydraulic clutch release system. See
your local authorized dealer for service.
542 MAINTAINING YOUR VEHICLE
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WARNING! (Continued)
•Do not allow petroleum based fluid to contami-
nate the brake fluid. Brake seal components could
be damaged, causing partial or complete brake
failure. This could result in a collision.
CAUTION!
Use of improper brake fluids will affect overall
clutch system performance. Improper brake fluids
may damage the clutch system resulting in loss of
clutch function and the ability to shift the transmis-
sion.
Automatic Transmission – If Equipped
The automatic transmission and differential assembly are
contained within a single housing.
The fluid level in the automatic transmission should be
checked whenever the vehicle is serviced. Operation with
an improper fluid level will greatly reduce the life of the
transmission and the fluid.
Selection Of Lubricant
It is important that the proper lubricant is used in the
transmission to assure optimum transmission perfor-
mance. Use only the manufacturer’s recommended trans-
mission fluid. Refer to “Fluids, Lubricants, and Genuine
Parts” in “Maintaining Your Vehicle” for further informa-
tion. It is important that the transmission fluid be main-
tained at the prescribed level using the recommended
fluid.
544 MAINTAINING YOUR VEHICLE
Page 556 of 604
Cavity Maxi Fuse Mini Fuse DescriptionF02 60 Amp Blue — Direct Battery
Feed #2 To BCM
F03 30 Amp Green — Output For Starter
Relay #1
F04 40 Amp Orange — ESP Pump Motor
F05 40 Amp Orange — DDCT Feed #1
(SDU)
F06 30 Amp Green — Direct Battery
Feed #3 To BCM
F07 40 Amp Orange — EBL RLY Coil,
Blower Motor RLY
Coil
F09 — 5 Amp Tan Radiator Fan En- able RLY, Radiator
Fan Enable RLY
CoilCavity Maxi Fuse Mini Fuse Description
F10 — 10 Amp RedORC
F11 — 20 Amp YellowECM, EPS, Backup
Lamp Switch
F14 — 15 Amp BlueDDCT Feed #2
F15 — 15 Amp BlueDDCT Feed #3
F16 — 15 Amp BlueIgnition Coils, Coil
Capacitor
F17 — 15 Amp BlueESC, Brake Pedal
Switch, OCM
F18 — 20 Amp YellowECM
F19 — 10 Amp RedA/C Compressor
Clutch
554 MAINTAINING YOUR VEHICLE