2004 CHRYSLER 300 M service interval

Airbag Light
You will want to have the airbags ready for your
protection in an impact. While the airbag system
is designed to be maintenance free, if any of the
following occurs, have an authorized dealer service the
system immediately.
•The AIRBAG light does not come on or flickers during
the 6 to 8 seconds when the ignition switch is first
turned on.
•The light remains on or flickers after the 6 to 8 second
interval.
•The light flickers or comes on and remains on while
driving.
Child Restraint
Everyone in your vehicle needs to be buckled up all the
time– babies and children too. Every state in the United
States and all Canadian provinces require that small
children ride in proper restraint systems. This is the law,
and you can be prosecuted for ignoring it.Children 12 years and under should ride properly buck-
led up in a rear seat. According to crash statistics,
children are safer when properly restrained in the rear
seat rather than the front.
WARNING!
In a collision, an unrestrained child, even a tiny
baby, can become a missile inside the vehicle. The
force required to hold even an infant on your lap
could become so great that you could not hold the
child, no matter how strong you are. The child and
others could be badly injured. Any child riding in
your vehicle should be in a proper restraint for the
child’s size.
There are different sizes and types of restraints for
children from newborn size to the child almost large
enough for an adult safety belt. Always check the child
seat owner’s manual to ensure you have the right seat for
your child. Use the restraint that is correct for your child:
40 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE

Headlamp On With Wipers (Available with Auto
Headlights Only)
When this feature is selected and the headlight switch
has at least once been moved to the AUTO position, the
headlights will turn on when the wipers are turned on.
The headlights will also turn off when the wipers are
turned off if they were turned on in this way. Pressing the
STEP button when in this display will select “Yes” or
“No.”
NOTE:Turning the headlights on during the daytime
causes the instrument panel lights to dim. To increase the
brightness, refer to “Lights” in this section.
Service Interval
When this feature is selected a service interval between
2,000 (3 200 km) and 6,000 miles (9 600 km) in 500 mile
(800 km) increments may be selected. Pressing the STEP
button when in this display will select distances between
2,000 (3 200 km) and 6,000 miles (9 600 km) in 500 mile
(800 km) increments.
Reset Service Distance (Displays Only if Service
Interval was Changed)
When this feature is selected the current accumulated
service distance can be reset to the newly selected service
interval. Pressing the STEP button when in this display
will select “Yes” or “No.”
Easy Exit Seat
When this feature is selected the driver’s seat moves
rearward two inches (55 mm) or to the farthest rearward
position if this distance is less than two inches (55 mm)
when the key is removed from the ignition switch so that
the driver can more easily exit the vehicle. The seat will
return to the memorized seat location (if REMOTE LINK
TO MEMORY is set to YES) when the remote keyless
entry transmitter is used to unlock the door. Pressing the
STEP button when in this display will select “Yes” or
“No.”
94 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

Average Fuel Economy
Shows the average fuel economy since the last reset.
Distance To Empty
Shows the estimated distance that can be travelled with
the fuel remaining in the tank. This is calibrated using the
miles per gallon for the last few minutes.
Trip Odometer
Shows the distance travelled since the last reset.
Elapsed Time
Shows the accumulated ignition ON time since the last
reset.
Miles to Service
Shows the distance remaining to require service.
NOTE:This display can be reset to the set service
interval by pressing and holding the RESET button for 3
seconds.
Tire Pressure Display — If Equipped
Shows the current pressure of all 4 road tires.
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 99
3

WARNING!
You can be badly injured working on or around a
motor vehicle. Do only that service work for which
you have the knowledge and the proper equipment.
If you have any doubt about your ability to perform
a service job, take your vehicle to a competent
mechanic.
MAINTENANCE PROCEDURES
The pages that follow contain the maintenance service
recommended by the engineers who designed your ve-
hicle.
Besides the maintenance items for which there are fixed
maintenance intervals, there are other items that should
operate satisfactorily without periodic maintenance.
However, if a malfunction of these items does occur, it
could adversely affect the engine or vehicle performance.
These items should be inspected if a malfunction is
observed or suspected.
Engine Oil
Checking Oil Level
To assure proper lubrication of your vehicle’s engine, the
engine oil must be maintained, at the correct level. Check
the oil level at regular intervals, such as every fuel stop.
MAINTAINING YOUR VEHICLE 201
7

•More than 50% of your driving is at sustained high
speeds during hot weather above 90°F (32°C)
•Trailer towing
•Taxi, police or delivery service (commercial service)
•Off road or desert operation
•If equipped for and operating with E —85 (ethanol)
fuel
NOTE:IfANYof these apply to you then change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first and follow schedule “B” of the
Maintenance Schedulessection of this manual.
If none of these apply to you, then change your engine oil
at every interval shown on scheduleAof theMainte-
nance Schedulessection of this manual.
NOTE:Under no circumstances should oil change
intervals exceed 6000 miles (10 000 km) or 6 months
whichever comes first.
CAUTION!
Overfilling or underfilling the crankcase will cause
oil aeration or loss of oil pressure. This could dam-
age your engine.
Engine Oil Selection
For best performance and maximum protection under all
types of operating conditions, we only recommend en-
gine oils that are API Certified and meet the requirements
of DaimlerChrysler Material Standard MS-6395. Use Mo-
par or an equipvalent oil meeting the specification MS-
6395.
MAINTAINING YOUR VEHICLE 203
7

Engine Air Cleaner Filter
Under normal driving conditions, replace the air filter at
the intervals shown on Schedule “A”. If, however, you
drive the vehicle frequently under dusty or severe con-
ditions, the filter element should be inspected periodi-
cally and replaced if necessary at the intervals shown on
Schedule “B”.
WARNING!
The air cleaner can provide a measure of protection
in the case of engine backfire. Do not remove the air
cleaner unless such removal is necessary for repair or
maintenance. Make sure that no one is near the
engine compartment before starting the vehicle with
the air cleaner removed. Failure to do so can result in
serious personal injury.
Engine Fuel Filter
A plugged fuel filter can cause hard starting or limit the
speed at which a vehicle can be driven. Should an
excessive amount of dirt accumulate in the fuel tank,
frequent replacement of the fuel filter which is mounted
in the fuel tank may be necessary. See your dealer for
service.
Catalytic Converter
The catalytic converter requires the use of unleaded fuel
only. Leaded gasoline will destroy the effectiveness of the
catalyst as an emission control device.
Under normal operating conditions, the catalytic con-
verter will not require maintenance. However, it is im-
portant to keep the engine properly serviced to assure
proper catalyst operation and prevent possible catalyst
damage. If the Malfunction Indicator light is flashing,
immediate service is required.
206 MAINTAINING YOUR VEHICLE

CAUTION!
Damage to the catalytic converter can result if your
vehicle is not kept in proper operating condition. In
the event of engine malfunction, particularly involv-
ing engine misfire or other apparent loss of perfor-
mance, have your vehicle serviced promptly. Contin-
ued operation of your vehicle with a severe
malfunction could cause the converter to overheat,
resulting in possible damage to the converter and the
vehicle.
WARNING!
A hot exhaust system can start a fire if you park over
materials that can burn. Such materials might be
grass or leaves coming into contact with your ex-
haust system. Do not park or operate your vehicle in
areas where your exhaust system can contact any-
thing that can burn.
In unusual situations involving grossly malfunctioning
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 specifica-
tions, should be obtained immediately.
To minimize the possibility of catalyst damage:
•Do not shut off the engine or interrupt the ignition
when the transaxle is in gear and the vehicle is in
motion.
•Do not try to start the engine by pushing or towing the
vehicle.
Engine Timing Belt
Replace the engine timing belt at the intervals described
in the appropriate maintenance schedule.
Crankcase Emission Control System
Proper operation of this system depends on freedom
from sticking or plugging due to deposits. As vehicle
mileage builds up, the PCV valve and passages may
accumulate deposits. If a valve is not working properly,
MAINTAINING YOUR VEHICLE 207
7

•Maintain a coolant concentration of a minimum of 50%
ethylene glycol and high quality water with recom-
mended antifreeze for proper corrosion protection of
your engine cooling system that contains aluminum
components.
•Make sure that the radiator and coolant bottle hoses
are not kinked or obstructed.
•Keep the front of the radiator and air conditioning
condenser clean.
•Do not change the thermostat for summer or winter
operation. If replacement is ever necessary, install
ONLY the correct type thermostat. Other designs may
result in unsatisfactory engine cooling performance,
poor gas mileage, and increased emissions.
Hoses and Vacuum/Vapor Harnesses
Inspect surfaces of hoses and nylon tubing for evidence
of heat and mechanical damage. Hard or soft spots,
brittle rubber, cracking, checking, tears, cuts, abrasions,
and excessive swelling indicate deterioration of the rub-
ber.Pay particular attention to those hoses nearest to high
heat sources such as the exhaust manifold. Inspect hose
routing to be sure hoses do not touch any heat source or
moving component that may cause heat damage or
mechanical wear.
Insure nylon tubing in these areas has not melted or
collapsed. Inspect all hose connections such as clamps
and couplings to make sure they are secure and no leaks
are present. Components should be replaced immedi-
ately if there is any evidence of degradation that could
cause failure.
Brakes
In order to assure brake system performance, all brake
system components should be inspected periodically.
Suggested service intervals can be found in Section 8,
Maintenance Schedules.
218 MAINTAINING YOUR VEHICLE