2008 CHRYSLER 300 SRT engine

BRAKE SYSTEM
Your vehicle is equipped with dual hydraulic
brake systems. If either of the two hydraulic
systems loses normal capability, the remaining
system will still function. There will be some
loss of overall braking effectiveness. This may be evident
by increased pedal travel during application, greater
pedal force required to slow or stop, and potential
activation of the Brake Warning Light.
In the event power assist is lost for any reason (for
example, repeated brake applications with the engine off)
the brakes will still function. The effort required to brake
the vehicle will be much greater than that required with
the power system operating.
Anti-Lock Brake System
The Anti-Lock Brake System 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.
The electronic brake force distribution (EBD) prevents the
rear wheels from over-braking and provides greater
control of available braking forces applied to the rear
axle.
When the vehicle is driven over 7 mph (11 km/h), you
may also hear a slight clicking sound as well as some
related motor noises. These noises are the system per-
forming its self check cycle to ensure that the ABS system
is working properly. This self check occurs each time the
vehicle is started and accelerated past 7 mph (11 km/h).
STARTING AND OPERATING 317
5

TCS (Traction Control System)
This system monitors the amount of wheel spin of each
driven wheel. If wheel spin is detected, brake pressure is
applied to the slipping wheel(s) and engine power is
reduced to provide enhanced acceleration and stability.
BAS (Brake Assist System)
This system complements the Anti-Lock Brake System
(ABS) by optimizing the vehicle braking capability dur-
ing emergency braking maneuvers. This system detects
an emergency braking situation by sensing the rate and
amount of brake application and then applies optimum
pressure to the brakes. This can help reduce braking
distances.
Applying the brakes very quickly results in the best BAS
assistance. To receive the benefits of this system, you
must apply continuous brake pedal pressure during thestopping sequence. Do not reduce brake pedal pressure
unless braking is no longer desired. Once the brake pedal
is released, the BAS is deactivated.
WARNING!
The BAS (Brake Assist System) cannot prevent the
natural laws of physics from acting on the vehicle,
nor can it increase the traction afforded by prevailing
road conditions. The BAS cannot prevent accidents,
including those resulting from excessive speed in
turns, driving on very slippery surfaces, or hydro-
planing. Only a safe, attentive, and skillful driver can
prevent accidents. The capabilities of a BAS-
equipped vehicle must never be exploited in a reck-
less or dangerous manner that could jeopardize the
user’s safety or the safety of others.
322 STARTING AND OPERATING

ESP (Electronic Stability Program)
This system enhances directional control and stability of
the vehicle under various driving conditions. The ESP
corrects for oversteering and understeering the vehicle
by applying the brake of the appropriate wheel. Engine
power may also be reduced to assist in counteracting the
condition of oversteer or understeer and help the vehicle
maintain the desired path.
The ESP uses sensors in the vehicle to determine the path
that the driver intends to steer the vehicle and compares
it to the actual path of the vehicle. When the actual path
does not match the intended path, the ESP applies the
brake of the appropriate wheel to assist in counteracting
the condition of oversteer or understeer.
•Oversteer - when the vehicle is turning more than
appropriate for the steering wheel position.
•Understeer - when the vehicle is turning less than
appropriate for the steering wheel position.
TheESP/TCS Indicator Light,located in the
instrument cluster, starts to flash as soon as the
tires lose traction and the ESP system becomes
active. TheESP/TCS Indicator Lightalso
flashes when TCS is active. If theESP/TCS Indicator
Lightbegins to flash during acceleration, ease up on the
accelerator and apply as little throttle as possible. Be sure
to adapt your speed and driving to the prevailing road
conditions.
STARTING AND OPERATING 323
5

NOTE:To improve the vehicle’s traction when driving
with snow chains, or when starting-off in deep snow,
sand, or gravel, it may be desirable to switch to the
“Partial Off” mode by momentarily depressing the “ESP
OFF” button. Once the situation requiring “Partial Off”
mode is overcome, turn the ESP ON again by momen-
tarily depressing the “ESP OFF” button. This may be
done while the vehicle is in motion.
Full Off
This mode is intended for off-highway or off-road use
only and should not be used on any public roadways. In
this mode, all TCS and ESP stability features are turned
off. To enter the “Full Off” mode, depress and hold the
“ESP OFF” button for five seconds while the vehicle is
stopped with the engine running. After five seconds, a
chime will sound, theESP/TCS Indicator Lightwill
illuminate, and theESP OFFmessage will display in the
vehicle odometer. Press and release the TRIP ODOM-
ETER button located on the instrument cluster to clearthis message. The “ESP OFF” message may appear in the
Electronic Vehicle Information Center (EVIC). Refer to
“Electronic Vehicle Information Center (EVIC)” in Sec-
tion 4. To turn ESP ON again, momentarily depress the
ESP OFF Button.
NOTE:TheESP OFF,or “ESP System Deactivated”
message will display and the audible chime will sound
when the gear selector is moved into the PARK position
from any position other than PARK and then moved out
of the PARK position. This will occur when the message
was previously cleared.
WARNING!
In the ESP Full Off mode, the engine torque reduc-
tion and stability features are cancelled. Therefore,
the enhanced vehicle stability offered by ESP is
unavailable.
STARTING AND OPERATING 325
5

NOTE:When the ESP is switched off a feature of the
system remains active. This feature controls wheel spin
across an axle quite similarly to a limited slip differential.
If one wheel on an axle is spinning faster than the other,
the system will apply the brake of the spinning wheel
and allow more engine torque to be applied to the wheel
that is not spinning. To improve the vehicle’s traction
when driving with tire chains, or when starting-off in
deep snow, sand, or gravel, it may be desirable to switch
to the “Partial Off” mode by momentarily depressing the
“ESP OFF” button.WARNING!
With the ESP switched off, the enhanced vehicle
stability offered by ESP is unavailable. In an emer-
gency evasive maneuver, the ESP system will not
engage to assist in maintaining stability. The “Full
Off” ESP mode is intended for off-highway or off-
road only.
Synchronizing ESP
The Malfunction Indicator Light for the ESP is
combined with BAS indicator. If the power
supply is interrupted (battery disconnected or
discharged), the ESP/BAS Malfunction Indica-
tor Light may illuminate with the engine running. If this
should occur, turn the steering wheel completely to the
left and then to the right. The ESP/BAS Malfunction
326 STARTING AND OPERATING

Indicator Light should go out. However, if the light
remains on, have the ESP and BAS checked at your
authorized dealer as soon as possible.
ESP/BAS Malfunction Indicator Light and
ESP/TCS Indicator Light
The Malfunction Indicator Light for the ESP is
combined with the BAS indicator. The yellow
“ESP/BAS Malfunction Indicator Light” and
the yellow “ESP/TCS Indicator Light” in the
instrument cluster both come on when the ignition
switch is turned to the ON position. They should go out
with the engine running.
The system will turn the “ESP/BAS Malfunction Indica-
tor Light” on continuously while the engine running if it
detects a malfunction in either the ESP or the BAS or
both. If the light remains on after several ignition cycles
and you have driven the vehicle several miles (kilome-
ters) at speeds greater than 30 mph (48 km/h), and theESP is synchronized (refer to Synchronizing ESP), see
your authorized dealer as soon as possible to have the
problem diagnosed and corrected.
NOTE:
•TheESP/TCS Indicator Lightand theESP/BAS
Malfunction Indicator Lightwill turn on momentarily
each time the ignition switch is turned ON.
•Each time the ignition is turned ON, the ESP System
will be on even if it was turned off previously.
•The ESP Control System will make buzzing or clicking
sounds when it is active. This is normal; the sounds
will stop when ESP becomes inactive following the
maneuver that caused the ESP activation.
STARTING AND OPERATING 327
5

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.
The tire pressure sensors are covered under one of the
following licenses:
United States.....................KR5S120123
Canada........................2671-S120123
FUEL REQUIREMENTS
6.1L Engine
The 6.1L Engine is designed to meet all
emissions regulations and provide excel-
lent fuel economy and performance when
using high-quality premium unleaded
gasoline with an octane rating of 91 or
higher.
Light spark knock at low engine speeds is not harmful to
your engine. However, continued heavy spark knock at
high speeds can cause damage and immediate service is
required. Poor quality gasoline can cause problems such
as hard starting, stalling, and hesitations. If you experi-
ence these symptoms, try another brand of gasoline
before considering service for the vehicle.
Over 40 auto manufacturers worldwide have issued and
endorsed consistent gasoline specifications (the World-
wide Fuel Charter, WWFC) which define fuel properties
STARTING AND OPERATING 357
5

necessary to deliver enhanced emissions, performance,
and durability for your vehicle. The manufacturer recom-
mends the use of gasolines that meet the WWFC speci-
fications, if they are available.
Reformulated Gasoline
Many areas of the country require the use of cleaner
burning gasoline referred to as reformulated gasoline.
Reformulated gasolines contain oxygenates and are spe-
cifically blended to reduce vehicle emissions and im-
prove air quality.
The manufacturer supports the use of reformulated gaso-
lines. Properly blended reformulated gasolines will pro-
vide excellent performance and durability of engine and
fuel system components.
Gasoline/Oxygenate Blends
Some fuel suppliers blend unleaded gasoline with oxy-
genates such as 10% ethanol, MTBE, and ETBE. Oxygen-
ates are required in some areas of the country during the
winter months to reduce carbon monoxide emissions.
Fuels blended with these oxygenates may be used in
your vehicle.
CAUTION!
DO NOT use gasolines containing Methanol or E85
Ethanol. Use of these blends may result in starting
and driveability problems and may damage critical
fuel system components.
358 STARTING AND OPERATING