2008 CHRYSLER 300 SRT octane

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

Problems that result from using methanol/gasoline or
E85 ethanol blends are not the responsibility of the
manufacturer. While MTBE is an oxygenate made from
methanol, it does not have the negative effects of metha-
nol.
MMT In Gasoline
MMT is a manganese-containing metallic additive that is
blended into some gasoline to increase octane. Gasoline
blended with MMT provides no performance advantage
beyond gasoline of the same octane number without
MMT. Gasoline blended with MMT reduces spark plug
life and reduces emissions system performance in some
vehicles. The manufacturer recommends that gasoline
without MMT be used in your vehicle. The MMT content
of gasoline may not be indicated on the gasoline pump,
therefore, you should ask your gasoline retailer whether
the gasoline contains MMT. It is even more important to
look for gasoline without MMT in Canada, because MMTcan be used at levels higher than those allowed in the
United States. MMT is prohibited in Federal and Califor-
nia reformulated gasoline.
Materials Added to Fuel
All gasoline sold in the United States is required to
contain effective detergent additives. Use of additional
detergents or other additives is not needed under normal
conditions and they would result in additional cost.
Therefore, you should not have to add anything to the
fuel.
Fuel System Cautions
CAUTION!
Follow these guidelines to maintain your vehicle’s
performance:
STARTING AND OPERATING 359
5

•The use of leaded gas is prohibited by Federal law.
Using leaded gasoline can impair engine performance
and damage the emissions control system.
•An out-of-tune engine or certain fuel or ignition mal-
functions can cause the catalytic converter to overheat.
If you notice a pungent burning odor or some light
smoke, your engine may be out of tune or malfunc-
tioning and may require immediate service. Contact
your authorized dealer for service assistance.
•The use of fuel additives, which are now being sold as
octane enhancers, is not recommended. Most of these
products contain high concentrations of methanol.
Fuel system damage or vehicle performance problems
resulting from the use of such fuels or additives is not
the responsibility of the manufacturer.
NOTE:Intentional tampering with the emissions con-
trol system can result in civil penalties being assessed
against you.
Carbon Monoxide Warnings
WARNING!
Carbon monoxide (CO) in exhaust gases is deadly.
Follow the precautions below to prevent carbon
monoxide poisoning:
•Do not inhale exhaust gases. They contain carbon
monoxide, a colorless and odorless gas, which can kill.
Never run the engine in a closed area, such as a
garage, and never sit in a parked vehicle with the
engine running for an extended period. If the vehicle is
stopped in an open area with the engine running for
more than a short period, adjust the ventilation system
to force fresh, outside air into the vehicle.
360 STARTING AND OPERATING

FLUIDS, LUBRICANTS, AND GENUINE PARTS
Engine
Component Fluids, Lubricants, and Genuine Parts
Engine Coolant MoparAntifreeze/Coolant 5 Year/100,000 Mile Formula HOAT (Hybrid Or-
ganic Additive Technology) or equivalent
Engine Oil (6.1L) For best performance and maximum protection under all types of operating
conditions, the manufacturer only recommends full synthetic engine oils that
meet the American Petroleum Institute (API) categories of SM or SM/CF, and
meet the requirements of DaimlerChrysler Material Standard MS-10725. The
manufacturer recommends the use of a full synthetic engine oil, such as Mo-
bil 1SAE 0W-40 or equivalent. For additional information, refer to the “En-
gine Oil Selection” and “Engine Oil Viscosity (SAE Grade)” in the “Mainte-
nance Procedures” section of this manual.
Oil Filter (6.1L) Mopar05281090 or equivalent
Spark Plugs (6.1L) PLZTR5A-13 (Gap.050 in [1.27 mm])
Fuel Selection (6.1L) Premium Unleaded 91 Octane Only or higher
436 MAINTAINING YOUR VEHICLE

Materials Added....................... 359
Methanol............................ 358
Octane Rating......................357,436
Requirements......................... 357
Specifications......................... 436
Tank Capacity........................ 435
Fuel System Caution..................... 362
Fueling ............................... 361
Fuses................................ 419
Garage Door Opener (HomeLink) ........... 177
Gas Cap (Fuel Filler Cap)...............361,387
Gasoline, Clean Air...................... 358
Gasoline (Fuel)......................... 357
Gasoline, Reformulated................... 358
Gauges
Coolant Temperature.................... 203
Fuel................................ 205
Speedometer......................... 199Tachometer.......................... 200
General Information.......... 18,24,115,172,311,357
General Maintenance..................... 390
Glass Cleaning.......................... 418
GrossAxleWeightRating .................. 364
Gross Vehicle Weight Rating................ 364
Ground Clearance....................... 367
GVWR ............................... 364
Hands-Free Phone (UConnect™)........ 88,251,253
Hard Drive (HDD)....................232,251
Hazard
Driving Through Flowing, Rising, or Shallow
Standing Water......................... 313
Hazard Warning Flasher................... 370
Head Restraints......................... 123
Headlight Washers....................145,402
Headlights............................ 428
Automatic........................... 133
INDEX 465
10

New Vehicle Break-In Period................ 73
Occupant Restraints....................... 39
Octane Rating, Gasoline (Fuel)............357,436
Odometer............................. 204
Trip ................................ 204
Oil, Engine.........................391,436
Capacity............................ 435
Change Interval....................... 392
Checking............................ 391
Dipstick............................. 391
Disposal............................ 393
Filter ............................393,436
Filter Disposal........................ 393
Materials Added to..................... 393
Recommendation...................392,435
Viscosity..........................392,435
Oil Filter, Change........................ 393
Oil Filter, Selection....................... 393Onboard Diagnostic System..............387,388
Opener, Garage Door (HomeLink) ........... 177
Operating Precautions.................... 387
Outside Rearview Mirrors.................. 85
Overhead Console....................... 176
Overheating, Engine...................... 371
Owner’s Manual (Operator Manual).......... 454
PaintCare ............................. 414
Panic Alarm............................ 22
Park Sense System, Rear................... 172
Parking Brake.......................... 315
Parking On Hill......................... 315
Passing Light........................... 138
Pedals, Adjustable....................... 148
Personal Settings........................ 226
Pets.................................. 73
Phone, Cellular.................... 88,251,253
Phone, Hands-Free (UConnect™)........ 88,251,253
470 INDEX