ESP RAM CHASSIS CAB 2023 User Guide

110GETTING TO KNOW YOUR INSTRUMENT PANEL
Adaptive Cruise Control (ACC) Set With No
Target Detected Indicator Light —
If Equipped
This light will turn on when the Adaptive
Cruise Control is SET and there is no
vehicle in front detected Úpage 150.
Automatic Diesel Exhaust Brake Indicator
Light — If Equipped
This indicator light will illuminate when
the Diesel Exhaust Brake has been
activated, and has switched to Automatic
mode Úpage 149.
ECO Mode Indicator Light — If Equipped
This light will turn on when ECO mode is
active.
Parking/Headlights On Indicator Light
This indicator light will illuminate when
the parking lights or headlights are
turned on.
LaneSense Indicator Light — If Equipped
The LaneSense indicator light illuminates
solid green when both lane markings
have been detected and the system is
“armed” and ready to provide visual and
torque warnings if an unintentional lane departure
occurs Ú page 163.
Front Fog Indicator Light — If Equipped
This indicator light will illuminate when
the front fog lights are on.
Turn Signal Indicator Lights

When the left or right turn signal is
activated, the turn signal indicator will
flash independently and the
corresponding exterior turn signal lamps
will flash. Turn signals can be activated when the
multifunction lever is moved down (left) or up (right).

NOTE:
A continuous chime will sound if the vehicle is
driven more than 1 mile (1.6 km) with either
turn signal on.
Check for an inoperative outside light bulb if
either indicator flashes at a rapid rate.
If equipped with fog lamps, the fog lamp on
the side of the activated turn signal will also
illuminate to provide additional light when
turning.
Cruise Control Set Indicator Light —
If Equipped
This indicator light will illuminate when
the cruise control is set to the desired
speed Ú page 149.
WHITE INDICATOR LIGHTS

Adaptive Cruise Control (ACC) Ready Light —
If Equipped

This light will illuminate when the vehicle
equipped with ACC has been turned on
but not set Ú page 150.
Cruise Control Ready Indicator
This indicator light will illuminate when
the cruise control is ready, but not set
Úpage 149.
Set Speed Display Indicator Light
The Set Speed Display indicator light
indicates the set speed for the Speed
Control and ACC settings.
LaneSense Indicator Light — If Equipped
When the LaneSense system is ON, but
not armed, the LaneSense indicator light
illuminates solid white. This occurs when
only left, right, or neither lane line has
been detected. If a single lane line is detected, the
system is ready to provide only visual warnings if
an unintentional lane departure occurs on the
detected lane line Ú page 163.

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STARTING AND OPERATING123
The fuel grade should be clearly marked on the
pump at the fuel station.
The engine requires the use of ULSD Fuel. Use
of incorrect fuel could result in engine and
exhaust system damage Ú page 413.
If climatized or diesel Number 1 ULSD Fuel is
not available, and you are operating below
(20°F/-6°C), in sustained arctic conditions,
Mopar® Premium Diesel Fuel Treatment (or
equivalent) is recommended to avoid gelling
(see Fuel Operating Range Chart).
Under some circumstances increased engine
noise may be audible in the seconds following a
cold start. This is most likely to occur when using
fuel that isn't blended for the ambient tempera -
ture present. This may occur on an unseason -
ably cold day or when a truck is fueled in a
warmer climate and driven to a colder climate.
The noise can typically be prevented by using
Mopar® Premium Diesel Fuel Treatment as
recommended (see Fuel Operating Range
Chart).
Engine Oil Usage
For the correct engine oil viscosity Ú page 353.
Winter Front Cover Usage
A Winter front or cold weather cover is to be used
in ambient temperatures below 32°F (0°C),
especially during extended idle conditions. This
cover is equipped with four flaps for managing total grille opening in varying ambient
temperatures. If a Winter front or cold weather
cover is to be used the flaps should be left in the
full open position to allow air flow to the charge air
cooler and automatic transmission oil cooler.
When ambient temperatures drop below 0°F
(-17°C) the four flaps need to be closed. A suitable
cold weather cover is available from a Mopar®
dealer.
Battery Blanket Usage
A battery loses 60% of its cranking power as the
battery temperature decreases to 0°F (-18°C). For
the same decrease in temperature, the engine
requires twice as much power to crank at the same
RPM. The use of 120 Volt AC powered battery
blankets will greatly increase starting capability at
low temperatures. Suitable battery blankets are
available from an authorized Mopar® dealer.
Engine Warm-Up
Avoid full throttle operation when the engine is
cold. When starting a cold engine, bring the engine
up to operating speed slowly to allow the oil
pressure to stabilize as the engine warms up.
NOTE:High-speed, no-load running of a cold engine can
result in excessive white smoke and poor engine
performance. No-load engine speeds should be
kept under 1,000 RPM during the warm-up period,
especially in cold ambient temperature conditions.
Your vehicle is equipped with an engine warm-up
protection feature that may limit engine
performance after cold starting at low ambient
temperatures. The length of time engine speed is
limited is dependent upon engine coolant
temperature. Engine speed may be briefly limited
to 1,000 RPM after starting with coolant
temperature below freezing conditions, and may
be limited to 1,000 RPM for up to approximately
two minutes under more severe cold conditions.
NOTE:If ambient temperatures are low and the coolant
temperature is below 180°F (82°C), the engine
idle speed will slowly increase to 1,000 RPM after
two minutes of idle, if the following conditions are
met:
Foot is off brake pedal and accelerator pedal.
Automatic transmission is in PARK.
Vehicle speed is 0 mph (0 km/h).
Applying the accelerator pedal will cancel fast
idle.
Operating the exhaust brake at idle will greatly
improve warm-up rate and will help keep the
engine close to operating temperature during
extended idle.
4

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STARTING AND OPERATING125
STOPPING THE ENGINE
Idle the engine a few minutes before routine shutdown. After full load operation, idle the engine three to five minutes before shutting it down. This idle period
will allow the lubricating oil and coolant to carry excess heat away from the combustion chamber, bearings, internal components, and turbocharger. This is
especially important for turbocharged, charge air-cooled engines. Refer to the following chart for proper engine shutdown:
IDLE SHUTDOWN
This feature can be enabled so that the truck will automatically shutdown when the truck has been idling for a set period of time when the engine is at operating
temperature. Idle time can be set in 5 minute increments between 5 and 60 minutes. See an authorized dealer to enable this feature.
NOTE:The idle shut down timer is disabled while the Power Take Off (PTO) is active.
Driving Condition Load Turbocharger Temperature Idle Time (min.) Before Engine
Shutdown
Stop and Go EmptyCoolLess than One
Stop and Go Medium -One
Highway Speeds MediumWarmTwo
City Traffic Maximum GCWR -Three
Highway Speeds Maximum GCWR -Four
Uphill Grade Maximum GCWR HotFive
4

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132STARTING AND OPERATING
8-SPEED AUTOMATIC TRANSMISSION —
I
F EQUIPPED
The transmission is controlled using a rotary
electronic gear selector located on the instrument
panel. The transmission gear range (PRND) is
displayed both above the gear selector and in the
instrument cluster. To select a gear range, simply
rotate the gear selector. You must press the brake
pedal to shift the transmission out of PARK (or
NEUTRAL, when the vehicle is stopped or moving at
low speeds). To shift past multiple gear ranges at
once (such as PARK to DRIVE), simply rotate the
gear selector to the appropriate detent. Select the
DRIVE range for normal driving.
NOTE:In the event of a mismatch between the gear
selector position and the actual transmission gear
(for example, driver selects PARK while driving),
the position indicator will blink continuously until
the selector is returned to the proper position, or
the requested shift can be completed.
The electronically controlled transmission adapts
its shift schedule based on driver inputs, along
with environmental and road conditions. The
transmission electronics are self-calibrating;
therefore, the first few shifts on a new vehicle may
be somewhat abrupt. This is a normal condition,
and precision shifts will develop within a few
hundred miles (kilometers). Only shift from DRIVE to PARK or REVERSE when
the accelerator pedal is released and the vehicle is
stopped. Be sure to keep your foot on the brake
pedal when shifting between these gears.
The transmission gear selector has only PARK,
REVERSE, NEUTRAL, and DRIVE positions. Manual
downshifts can be made using the Electronic
Range Select (ERS) shift control. Pushing the
GEAR “-”/GEAR “+” switches (on the steering
wheel) while in the DRIVE position will select the
highest available transmission gear, and will
display that gear limit in the instrument cluster as
1, 2, 3, etc
Úpage 134. Some models will display
both the selected gear limit, and the actual current
gear, while in ERS mode.

Electronic Transmission Gear Selector

Gear Ranges
Do not press the accelerator pedal when shifting
from PARK or NEUTRAL into another gear range.
NOTE:After selecting any gear range, wait a moment to
allow the selected gear to engage before acceler -
ating. This is especially important when the engine
is cold.
PARK (P)
This range supplements the parking brake by
locking the transmission. The engine can be
started in this range. Never attempt to use PARK
while the vehicle is in motion. Apply the parking
brake when exiting the vehicle in this range.
When parking on a hill, apply the parking brake
before shifting the transmission to PARK. As an
added precaution, turn the front wheels toward the
curb on a downhill grade and away from the curb
on an uphill grade.
NOTE:On four-wheel drive vehicles be sure that the
transfer case is in a drive position.
When exiting the vehicle, always:
Apply the parking brake.
Shift the transmission into PARK.
Turn the engine off.
Remove the key fob.

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STARTING AND OPERATING133
The following indicators should be used to ensure
that you have properly engaged the transmission
into the PARK position:
Look at the transmission gear position display
and verify that it indicates the PARK position (P),
and is not blinking.
With the brake pedal released, verify that the
gear selector will not move out of PARK.
REVERSE (R)
This range is for moving the vehicle backward.
Shift into REVERSE only after the vehicle has come
to a complete stop.
NEUTRAL (N)
Use this range when the vehicle is standing for
prolonged periods with the engine running. Apply
the parking brake and shift the transmission into
PARK if you must exit the vehicle. DRIVE (D)
This range should be used for most city and
highway driving. It provides the smoothest upshifts
and downshifts, and the best fuel economy. The
transmission automatically upshifts through all
forward gears.
When frequent transmission shifting occurs (such
as when operating the vehicle under heavy loading
conditions, in hilly terrain, traveling into strong
head winds, or while towing a heavy trailer), select
TOW/HAUL mode or use the Electronic Range
Select (ERS) shift control to select a lower gear
range
Úpage 134. Under these conditions, using
a lower gear range will improve performance and extend transmission life by reducing excessive
shifting and heat build-up.
During extremely cold temperatures (-22°F
[-30°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 transmission
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 may operate only in
certain gears, or may not shift at all. Vehicle
performance may be severely degraded and the
engine may stall. In some situations, the
transmission may not re-engage if the engine is
turned off and restarted. The Malfunction Indicator
Light (MIL) may be illuminated. A message in the
instrument cluster will inform the driver of the
more serious conditions, and indicate what actions
may be necessary.
In the event of a momentary problem, the
transmission can be reset to regain all forward
gears by performing the following steps:
NOTE:In cases where the instrument cluster message
indicates the transmission may not re-engage after
CAUTION!
DO NOT race the engine when shifting from
PARK or NEUTRAL into another gear range, as
this can damage the drivetrain.
Before moving the transmission gear selector
out of PARK, you must start the engine, and
also press the brake pedal. Otherwise,
damage to the gear selector could result.
WARNING!
Do not coast in NEUTRAL and never turn off the
ignition to coast down a hill. These are unsafe
practices that limit your response to changing
traffic or road conditions. You might lose control
of the vehicle and have a collision.
CAUTION!
Towing the vehicle, coasting, or driving for any
other reason with the transmission in NEUTRAL
can cause severe transmission damage.
For Towing A Disabled Vehicle Ú
page 339.
For Recreational Towing Ú page 195.4

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STARTING AND OPERATING135
The TOW/HAUL Indicator Light will illuminate in the
instrument cluster to indicate that TOW/HAUL
mode has been activated. Pushing the switch a
second time restores normal operation. Normal
operation is always the default at engine start-up.
If TOW/HAUL mode is desired, the switch must be
pushed each time the engine is started.
6-SPEED AUTOMATIC TRANSMISSION —
I
F EQUIPPED
Chassis Cab models may use either the AS66RC or
AS69RC transmission (which are equipped with a
Power Take Off (PTO) access cover on the side of
the transmission case).
The transmission gear position display (located in
the instrument cluster) indicates the transmission
gear range. The gear selector is mounted on the
right side of the steering column. You must press
the brake pedal to move the gear selector out of PARK Ú
page 131. Pull the gear selector toward
you when shifting into REVERSE or PARK, or when
shifting out of PARK.
The electronically-controlled transmission provides
a precise shift schedule. The transmission
electronics are self-calibrating; therefore, the first
few shifts on a new vehicle may be somewhat
abrupt. This is a normal condition, and precision
shifts will develop within a few hundred miles
(kilometers).
Only shift from DRIVE to PARK or REVERSE when
the accelerator pedal is released and the vehicle is
stopped. Be sure to keep your foot on the brake
pedal when shifting between these gears.
The transmission gear selector has only PARK,
REVERSE, NEUTRAL, and DRIVE shift positions.
Manual downshifts can be made using the
Electronic Range Select (ERS) shift control.
Pushing the ERS (“-”/”+”) switches (on the steering
wheel) while in the DRIVE position will select the
highest available transmission gear, and will
display that gear limit in the instrument cluster as
1, 2, 3, etc. Úpage 137. Some models will display
both the selected gear limit, and the actual current
gear, while in ERS mode.
Gear Ranges
Do not press the accelerator pedal when shifting
from PARK or NEUTRAL into another gear range.
NOTE:After selecting any gear range, wait a moment to
allow the selected gear to engage before acceler -
ating. This is especially important when the engine
is cold.
PARK (P)
This range supplements the parking brake by
locking the transmission. The engine can be
started in this range. Never attempt to use PARK
while the vehicle is in motion. Apply the parking
brake when exiting the vehicle in this range.
When parking on a hill, apply the parking brake
before shifting the transmission to PARK,
otherwise the load on the transmission locking
mechanism may make it difficult to move the gear
selector out of PARK. As an added precaution, turn
the front wheels toward the curb on a downhill
grade and away from the curb on an uphill grade.
WARNING!
Do not use the TOW/HAUL feature when driving
in icy or slippery conditions. The increased
engine braking can cause the rear wheels to
slide, and the vehicle to swing around with the
possible loss of vehicle control, which may
cause an accident possibly resulting in personal
injury or death.4

23_DPF_OM_EN_USC_t.book Page 135

136STARTING AND OPERATING
NOTE:On four-wheel drive vehicles be sure that the
transfer case is in a drive position.
When exiting the vehicle, always:
Apply the parking brake.
Shift the transmission into PARK.
Turn the engine off.
Remove the key fob.
The following indicators should be used to ensure
that you have properly engaged the transmission
into the PARK position:
When shifting into PARK, pull the gear selector
toward you and move it all the way counterclock-
wise until it stops.
Release the gear selector and make sure it is
fully seated in the PARK gate.
Look at the transmission gear position display
and verify that it indicates the PARK position (P).
With the brake pedal released, verify that the
gear selector will not move out of PARK.
REVERSE (R)
This range is for moving the vehicle backward.
Shift into REVERSE only after the vehicle has come
to a complete stop.
NEUTRAL (N)
Use this range when the vehicle is standing for
prolonged periods with the engine running. The
engine may be started in this range. Apply the
parking brake and shift the transmission into PARK
if you must exit the vehicle. DRIVE (D)
This range should be used for most city and
highway driving. It provides the smoothest upshifts
and downshifts, and the best fuel economy. The
transmission automatically upshifts through all
forward gears.
When frequent transmission shifting occurs (such
as when operating the vehicle under heavy loading
conditions, in hilly terrain, traveling into strong
head winds, or while towing a heavy trailer), select
TOW/HAUL mode or use the Electronic Range
Select (ERS) shift control to select a lower gear
range
Úpage 137. Under these conditions, using
a lower gear range will improve performance and
extend transmission life by reducing excessive
shifting and heat buildup.
CAUTION!
Before moving the transmission gear selector
out of PARK, you must turn the ignition to the
ON/RUN position, and also press the brake
pedal. Otherwise, damage to the gear selector
could result.
DO NOT race the engine when shifting from
PARK or NEUTRAL into another gear range, as
this can damage the drivetrain.WARNING!
Do not coast in NEUTRAL and never turn off the
ignition to coast down a hill. These are unsafe
practices that limit your response to changing
traffic or road conditions. You might lose control
of the vehicle and have a collision.
CAUTION!
Towing the vehicle, coasting, or driving for any
other reason with the transmission in NEUTRAL
can cause severe transmission damage.
For Towing A Disabled Vehicle Ú page 339.
For Recreational Towing Ú page 195.

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STARTING AND OPERATING139
The TOW/HAUL Indicator Light will illuminate in the
instrument cluster to indicate that TOW/HAUL
mode has been activated. Pushing the switch a
second time restores normal operation. Normal
operation is always the default at engine start-up.
If TOW/HAUL mode is desired, the switch must be
pushed each time the engine is started.
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 the transmission fluid and engine coolant
are warm (usually after 1 to 3 miles (2 to 5 km)
of driving). Because engine speed is higher
when the torque converter clutch is not
engaged, it may seem as if the transmission is
not shifting properly when cold; this is normal.
Using the Electronic Range Select (ERS) shift
control, when the transmission is sufficiently
warm, will demonstrate that the transmission is
able to shift into and out of Overdrive.
If the vehicle has not been driven for several
days, the first few seconds of operation after
shifting the transmission into gear may seem
sluggish. This is due to the fluid partially
draining from the torque converter into the
transmission. This condition is normal and will
not cause damage to the transmission. The
torque converter will refill within five seconds
after starting the engine.
AUXILIARY SWITCHES — IF EQUIPPED
There can be up to six auxiliary switches located in
the lower switch bank of the instrument panel
which can be used to power various electronic
devices and Power Take Off (PTO). If equipped, it
will take the place of the sixth auxiliary switch.
Connections to the switches are found under the
hood in the connectors attached to the auxiliary
Power Distribution Center.
You have the ability to configure the functionality of
the auxiliary switches via the instrument cluster
display. All switches can now be configured for
setting the switch type operation to latching or
momentary, power source of either battery or
ignition, and ability to hold last state across key
cycles.
NOTE:Holding last state conditions are met when switch
type is set to latching and power source is set to
ignition.
For further information on using the auxiliary
switches, please refer to the Ram Body Builder’s
Guide by accessing
https://
www.ramtrucks.com/ram-commercial/
body-builders-guide.html
and choosing the
appropriate links.
WARNING!
Do not use the TOW/HAUL feature when driving
in icy or slippery conditions. The increased
engine braking can cause the rear wheels to
slide, and the vehicle to swing around with the
possible loss of vehicle control, which may
cause an accident possibly resulting in personal
injury or death.4

23_DPF_OM_EN_USC_t.book Page 139

STARTING AND OPERATING147
2H OR 4H TO 4L
NOTE:
When shifting into or out of 4L some gear noise
may be heard. This noise is normal and is not detri -
mental to the vehicle or occupants.
With the vehicle rolling at 2 to 3 mph (3 to 5 km/h),
shift the transmission into NEUTRAL. While the
vehicle is coasting at 2 to 3 mph (3 to 5 km/h),
shift the transfer case lever firmly to the desired
position. Do not pause in transfer case Neutral.
NOTE:
Pausing in transfer case N (Neutral) in vehicles
equipped with an automatic transmission may
require shutting the engine OFF to avoid gear
clash while completing the shift. If difficulty
occurs, shift the transmission into Neutral, hold
your foot on the brake, and turn the engine OFF.
Complete the range shift to the desired position.

Shifting into or out of 4L is possible with the
vehicle completely stopped, however difficulty
may occur due to the mating teeth not being prop -
erly aligned. Several attempts may be required for
teeth alignment and shift completion to occur.
The preferred method is with the vehicle rolling 2
to 3 mph (3 to 5 km/h). Avoid attempting to
engage or disengage 4L with the vehicle moving
faster than 2 to 3 mph (3 to 5 km/h).

Do not attempt to shift into or out of 4L while the
transmission is in gear.
Transfer Case Position Indicator Light
The Transfer Case Position Indicator Light in the
instrument cluster is used to alert the driver that
the front axle is fully engaged and all four wheels
are driving.
LIMITED-SLIP DIFFERENTIAL
The limited-slip differential provides additional
traction on snow, ice, mud, sand and gravel,
particularly when there is a difference between the
traction characteristics of the surface under the
right and left rear wheels. During normal driving
and cornering, the limited-slip unit performs
similarly to a conventional differential. On slippery
surfaces, however, the differential delivers more of
the driving effort to the rear wheel having the
better traction.
The limited-slip differential is especially helpful
during slippery driving conditions. With both rear
wheels on a slippery surface, a slight application of
the accelerator will supply maximum traction.
When starting with only one rear wheel on an
excessively slippery surface, slight momentary
application of the parking brake may be necessary
to gain maximum traction. Care should be taken to avoid sudden
accelerations when both rear wheels are on a
slippery surface. This could cause both rear wheels
to spin, and allow the vehicle to slide sideways on
the crowned surface of a road or in a turn.
POWER TAKE OFF (PTO) OPERATION —
IF EQUIPPED
This vehicle when equipped with PTO Prep and the
AS66RC/AS69RC automatic 6-speed, will allow for
an aftermarket upfit with a transmission driven
PTO. The customer will have the ability to operate
the PTO in either a “stationary”, “mobile” or
“remote” mode. The vehicles will be factory set to
the “stationary” mode. To select a different mode,
or to change any other PTO setting, you will need to
enter the commercial vehicle menu on the
instrument cluster screen. Details of the PTO
selection modes and further PTO information is
available at the Ram Truck Body Builder’s web site:
https://www.ramtrucks.com/ram-commercial/
body-builders-guide.html
WARNING!
On vehicles equipped with a limited-slip
differential never run the engine with one rear
wheel off the ground since the vehicle may drive
through the rear wheel remaining on the ground.
You could lose control of the vehicle.
4

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148STARTING AND OPERATING
HYDRAULIC POWER STEERING
The standard power steering system provides
increased vehicle response and ease of
maneuverability in tight spaces. The system will
provide mechanical steering capability if power
assist is lost.
If for some reason the power assist is interrupted,
it will still be possible to steer your vehicle. Under
these conditions, you will observe a substantial
increase in steering effort, especially at very low
vehicle speeds and during parking maneuvers.
NOTE:
Increased noise levels at the end of the steering
wheel travel are considered normal and do not
indicate that there is a problem with the power
steering system.
Upon initial start-up in cold weather, the power
steering pump may make noise for a short
amount of time. This is due to the cold, thick
fluid in the steering system. This noise should
be considered normal, and it does not in any
way damage the steering system.
POWER STEERING FLUID CHECK
Checking the power steering fluid level at a defined
service interval is not required. The fluid should
only be checked if a leak is suspected, abnormal
noises are apparent, and/or the system is not
functioning as anticipated. Check fluid level when
the engine is cold and off. Coordinate inspection
efforts through an authorized dealer. If necessary, add fluid to restore to the proper
indicated level. With a clean cloth, wipe any spilled
fluid from all surfaces Ú
page 421.
CRUISE CONTROL SYSTEMS — IF EQUIPPED
Your vehicle may be equipped with the Cruise
Control system, or the Adaptive Cruise Control
(ACC) system:
Cruise Control will keep your vehicle at a
constant preset speed.
Adaptive Cruise Control (ACC) will adjust the
vehicle speed up to the preset speed to main -
tain a distance with the vehicle ahead.
NOTE:
In vehicles equipped with ACC, if ACC is not
enabled, Fixed Speed Cruise Control will not
detect vehicles directly ahead of you. Always be
aware of the feature selected.
CAUTION!
Prolonged operation of the steering system at
the end of the steering wheel travel will increase
the steering fluid temperature and it should be
avoided when possible. Damage to the power
steering pump may occur.
WARNING!
Fluid level should be checked on a level surface
and with the engine off to prevent injury from
moving parts and to ensure accurate fluid level
reading. Do not overfill. Use only manufacturer's
recommended power steering fluid.
CAUTION!
Do not use chemical flushes in your power
steering system as the chemicals can damage
your power steering components. Such damage
is not covered by the New Vehicle Limited
Warranty.

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