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WARNING!(Continued)
•Driving a vehicle with the “Brake Warning Light”
on is dangerous. A significant decrease in braking
performance or vehicle stability during braking
may occur. It will take you longer to stop the
vehicle or will make your vehicle harder to control.
You could have a collision. Have the vehicle
checked immediately.
Anti-Lock Brake System (ABS)
This system aids the driver in maintaining vehicle control
under adverse braking conditions. The system controls
hydraulic brake pressure to prevent wheel lock-up to
help avoid skidding on slippery surfaces during braking. Refer to “Anti-Lock Brake System (ABS)” under “Elec-
tronic Brake Control System” in this section for more
information.
WARNING!
The ABS cannot prevent the natural laws of physics
from acting on the vehicle, nor can it increase the
traction afforded by prevailing road conditions. ABS
cannot prevent collisions, including those resulting
from excessive speed in turns, driving on very slip-
pery surfaces, or hydroplaning. The capabilities of an
ABS-equipped vehicle must never be exploited in a
reckless or dangerous manner, which could jeopar-
dize the user’s safety or the safety of others.
438 STARTING AND OPERATING
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ELECTRONIC BRAKE CONTROL SYSTEM
Your vehicle is equipped with an advanced electronic
brake control system commonly referred to as ESC. This
system includes Anti-Lock Brake System (ABS), Brake
Assist System (BAS), Traction Control System (TCS),
Electronic Roll Mitigation (ERM), Electronic Stability
Control (ESC), Trailer Sway Control (TSC) and Hill Start
Assist (HSA). These systems work together to enhance
both vehicle stability and control in various driving
conditions.
Anti-Lock Brake System (ABS)
The Anti-Lock Brake System (ABS) provides increased
vehicle stability and brake performance under most
braking conditions. The system automatically “pumps”
the brakes during severe braking conditions to prevent
wheel lock-up.
When the vehicle is driven over 7 mph (11 km/h), you
may also hear a slight clicking sound as well as somerelated motor noises. These noises are the system per-
forming its self check cycle to ensure that the ABS is
working properly. This self check occurs each time the
vehicle is started and accelerated past 7 mph (11 km/h).
ABS is activated during braking under certain road or
stopping conditions. ABS-inducing conditions can in-
clude ice, snow, gravel, bumps, railroad tracks, loose
debris, or panic stops.
You also may experience the following when the brake
system goes into Anti-lock:
•
The ABS motor running (it may continue to run for a
short time after the stop),
• The clicking sound of solenoid valves,
• Brake pedal pulsations, and
• A slight drop or fall away of the brake pedal at the end
of the stop.
5
STARTING AND OPERATING 439
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Anti-Lock Brake Light
The Anti-Lock Brake Light monitors the ABS.
The light will turn on when the ignition switch
is turned to the ON position and may stay on
for as long as four seconds.
If the ABS Light remains on or comes on while driving, it
indicates that the Anti-Lock portion of the brake system
is not functioning and that service is required. However,
the conventional brake system will continue to operate
normally if the Brake System Warning Light is not on.
If the ABS Light is on, the brake system should be
serviced as soon as possible to restore the benefits of
Anti-Lock brakes. If the ABS Light does not come on
when the ignition switch is turned to the ON position,
have the light repaired as soon as possible. If both the Brake System Warning Light and the ABS
Light remain on, the ABS and Electronic Brake Force
Distribution (EBD) systems are not functioning. Immedi-
ate repair to the ABS system is required.
Brake Assist System (BAS)
The BAS is designed to optimize the vehicle’s braking
capability during emergency braking maneuvers. The
system detects an emergency braking situation by sens-
ing the rate and amount of brake application and then
applies optimum pressure to the brakes. This can help
reduce braking distances. The BAS complements the
ABS. Applying the brakes very quickly results in the best
BAS assistance. To receive the benefit of the system, you
must apply continuous braking pressure during the
stopping sequence, (do not “pump” the brakes). Do not
reduce brake pedal pressure unless braking is no longer
desired. Once the brake pedal is released, the BAS is
deactivated.
5
STARTING AND OPERATING 441
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The “ESC OFF Indicator Light” indicates the
Electronic Stability Control (ESC) is partially
off.
Trailer Sway Control (TSC)
TSC uses sensors in the vehicle to recognize an exces-
sively swaying trailer. TSC activates automatically once
the excessively swaying trailer is recognized. When TSC
is functioning, the “ESC Activation/Malfunction Indica-
tor Light” will flash, the engine power will be reduced,
and you will feel the brake being applied to individual
wheels in an attempt to stop the trailer from swaying.
NOTE:The TSC is disabled when the ESC system is in
the “Partial Off” mode.
WARNING!
• TSC cannot stop all trailers from swaying. Always
use caution when towing a trailer and follow the
tongue weight recommendations. Refer to ”Vehicle
Loading” and “Trailer Towing” in “Starting and
Operating” for further information.
• If TSC activates while towing a trailer, stop the
vehicle at the nearest safe location and adjust the
trailer load to eliminate the trailer sway.
• Failure to follow these warnings can result in an
accident or serious personal injury.
5
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Hill Start Assist (HSA)
The HSA system is designed to assist the driver when
starting a vehicle from a stop on a hill. HSA will maintain
the level of brake pressure the driver applied for a short
period of time after the driver takes their foot off of the
brake pedal. If the driver does not apply the throttle
during this short period of time, the system will release
brake pressure and the vehicle will roll down the hill. The
system will release brake pressure in proportion to the
amount of throttle applied as the vehicle starts to move in
the intended direction of travel.
HSA Activation Criteria
The following criteria must be met in order for HSA to
activate:
•Vehicle must be stopped.
• Vehicle must be on a 6% (approximate) grade or
greater hill. •
Gear selection matches vehicle uphill direction (i.e.,
vehicle facing uphill is in forward gear; vehicle back-
ing uphill is in REVERSE gear).
HSA will work in REVERSE and all forward gears when
the activation criteria have been met. The system will not
activate if the vehicle is placed in NEUTRAL or PARK.
WARNING!
There may be situations on minor hills with a loaded
vehicle, or while pulling a trailer, when the system
will not activate and slight rolling may occur. This
could cause a collision with another vehicle or object.
Always remember the driver is responsible for brak-
ing the vehicle.
448 STARTING AND OPERATING
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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.
Master Cylinder — Brake Fluid Level Check
Check the fluid level in the master cylinder immediately
if the “Brake Warning Light” indicates system failure.
Check the fluid level in the master cylinder when per-
forming underhood services.
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.
Overfilling of fluid is not recommended because it may
cause leaking in the system.
Fluid level can be expected to fall as the brake pads wear.
Brake fluid level should be checked when pads are
replaced. However, low fluid level may be caused by a
leak and a checkup may be needed.
7
MAINTAINING YOUR VEHICLE 573
Page 593 of 651
CavityCar-
tridge Fuse Mini-
Fuse Description
F139 40 Amp Green Climate Control
System Blower
F140 30 Amp Pink Power Locks
F141 40 Amp Green Anti-Lock Brake
System
F142 40 Amp Green Glow Plugs – If
Equipped
F143 40 Amp Green Exterior Lights 1
F144 40 Amp Green Exterior Lights 2
F145 30 Amp Pink To Body Computer
– LampCavity Car-
tridge Fuse Mini-
Fuse Description
F146 30 Amp Pink Spare
F147 30 Amp Pink Spare
F148 40 Amp Green Radiator Fan Motor
F149 30 Amp Pink Starter Solenoid
F150 25 Amp
Natural Powertrain Control
Modules
F151 30 Amp Pink Headlamp Washer
Motor – If Equipped
F152 25 Amp
Natural Diesel Fuel Heater –
If Equipped
7
MAINTAINING YOUR VEHICLE 591
Page 594 of 651
CavityCar-
tridge Fuse Mini-
Fuse Description
F153 20 Amp
Yellow Fuel Pump
F156 10 Amp
Red Brake/Electronic
Stability Control Module
F157 10 Amp
Red Power Transfer Unit
Module –
If Equipped
F158 10 Amp
Red Active Hood Mod-
ule – If Equipped
F159 10 Amp
Red Spare
F160 20 Amp
Yellow Interior LightsCavityCar-
tridge Fuse Mini-
Fuse Description
F161 20 Amp
Yellow Horn
F162 40 Amp Red/
20 Amp Lt. Blue Cabin Heater #1/
Vacuum Pump – If Equipped
F163 50 Amp Red Cabin Heater #2 –
If Equipped
F164 25 Amp
Natural Powertrain Auto
Shutdown
F165 20 Amp
Yellow Powertrain Shut-
down
F166 20 Amp
Yellow Spare
592 MAINTAINING YOUR VEHICLE