2008 DODGE RAM 2500 GAS tire pressure

Light will turn OFF, as long as no tire pressure is below
the low-pressure warning limit in any of the four active
road tires. The vehicle may need to be driven for up to 10
minutes above 15 mph (25 km/h) in order for the TPMS
to receive this information.
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:
²This device may not cause harmful interference.
²This 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
All engines (except 5.7L engines) are de-
signed to meet all emissions regulations
and provide excellent fuel economy and
performance when using high-quality un-
leaded ªregularº gasoline having an oc-
tane rating of 87. The use of premium
gasoline is not recommended. Under nor-
mal conditions, the use of premium gasoline will not
provide a benefit over high-quality regular gasolines, and
in some circumstances may result in poorer performance.
The 5.7L engine is designed to meet all
emissions regulations and provide satisfac-
tory fuel economy and performance when
using high-quality unleaded gasoline hav-
ing an octane range of 87 to 89. The manu-
facturer recommends the use of 89 octane
All Engines
Except 5.7L
5.7L Engines
STARTING AND OPERATING 371
5

Gross Axle Weight Rating (GAWR)
The GAWR is the maximum permissible load on the front
and rear axles. The load must be distributed in the cargo
area so that the GAWR of each axle is not exceeded.
Each axle GAWR is determined by the components in the
system with the lowest load carrying capacity (axle,
springs, tires or wheels). Heavier axles or suspension
components sometimes specified by purchasers for in-
creased durability does not necessarily increase the vehi-
cle's GVWR.
Tire Size
The tire size on the Label represents the actual tire size on
your vehicle. Replacement tires must be equal to the load
capacity of this tire size.
Rim Size
This is the rim size that is appropriate for the tire size
listed.
Inflation Pressure
This is the cold tire inflation pressure for your vehicle for
all loading conditions up to full GAWR.
Curb Weight
The curb weight of a vehicle is defined as the total weight
of the vehicle with all fluids, including vehicle fuel, at full
capacity conditions, and with no occupants or cargo
loaded into the vehicle. The front and rear curb weight
values are determined by weighing your vehicle on a
commercial scale before any occupants or cargo are
added.
382 STARTING AND OPERATING

Towing Requirements Ð Tires
þ
Do not attempt to tow a trailer while using a compact
spare tire.
þProper tire inflation pressures are essential to the safe
and satisfactory operation of your vehicle. Refer to the
Tires±General Information section of this manual on
Tire Pressures for proper tire inflation procedures.
þAlso, check the trailer tires for proper tire inflation
pressures before trailer usage.
þCheck for signs of tire wear or visible tire damage
before towing a trailer. Refer to the Tires±General
Information section of this manual on Tread Wear
Indicators for the proper inspection procedure.
þWhen replacing tires refer to the Tires±General Infor-
mation section of this manual on Replacement Tires forproper tire replacement procedures. Replacing tires
with a higher load carrying capacity will not increase
the vehicle's GVWR and GAWR limits.
Towing Requirements Ð Trailer Brakes
þ
Donotinterconnect the hydraulic brake system or
vacuum system of your vehicle with that of the trailer.
This could cause inadequate braking and possible
personal injury.
þAn electronically actuated trailer brake controller is
required when towing a trailer with electronically
actuated brakes. When towing a trailer equipped with
a hydraulic surge actuated brake system, an electronic
brake controller is not required.
þTrailer brakes are recommended for trailers over 1,000
lbs (454 kg) and required for trailers in excess of 2,000
lbs (907 kg).
394 STARTING AND OPERATING

WARNING!
A loose tire or jack thrown forward in a collision or
hard stop could injure someone in the vehicle. Al-
ways stow the jack parts and the extra tire and wheel
in the places provided.
7. Install wheel center cap and remove wheel blocks. Do
not install chrome or aluminum wheel center caps on the
spare wheel. This may result in cap damage.
8. Lower the jack to its fully closed position. If the bottle
jack will not lower by turning the dial (thumbwheel) by
hand, it may be necessary to use the jack drive tube in
order to lower the jack. Stow the replaced tire, jack, and
tools as previously described.
9. Adjust the tire pressure when possible.NOTE:Do not oil wheel studs. For chrome wheels, do
not substitute with chrome plated wheel nuts.Hub Caps/Wheel Covers
The hub caps must be removed before raising the vehicle
off the ground.
For 2500/3500 single rear-wheel (SRW) models, use the
blade on the end of the lug wrench to pry the hub cap off.
Insert the blade end into the pryoff notch and carefully
pop off the hub cap with a back-and-forth motion.
On 3500 models with dual rear wheels (DRW), you must
first remove the hub caps. The jack handle driver has a
hook at one end that will fit in the pry off notch of the
rear hub caps. Position the hook and pull out on the
ratchet firmly. The hub cap should pop off. The wheel
skins can now be removed. For the front hub cap on 3500
models use the blade on the end of the lug wrench to pry
the caps off. The wheel skin can now be removed.
WHAT TO DO IN EMERGENCIES 429
6

accumulation of bugs, leaves, etc. If dirty, clean by gently
spraying water from a garden hose vertically down the
face of the condenser.
Check the coolant recovery bottle tubing for brittle rub-
ber, cracking, tears, cuts and tightness of the connection
at the bottle and radiator. Inspect the entire system for
leaks.
With the engine at normal operating temperature (but
not running), check the cooling system pressure cap for
proper vacuum sealing by draining a small amount of
coolant from the radiator drain cock. If the cap is sealing
properly, the engine coolant (antifreeze) will begin to
drain from the coolant recovery bottle. DO NOT RE-
MOVE THE COOLANT PRESSURE CAP WHEN THE
COOLING SYSTEM IS HOT.Cooling System Ð Drain, Flush and Refill
At the intervals shown on the Maintenance Schedules,
the system should be drained, flushed and refilled.
If the solution is dirty or contains a considerable amount
of sediment, clean and flush with a reliable cooling
system cleaner. Follow with a thorough rinsing to remove
all deposits and chemicals. Properly dispose of old
antifreeze solution.
Selection Of Coolant
Use only the manufacturer's recommended coolant; for
correct coolant type, refer to ªEngine Coolantº under
ªFluids, Lubricants and Genuine Partsº in this section.
466 MAINTAINING YOUR VEHICLE

²Change your engine oil more often if you drive your
vehicle off-road for an extended period of time.
²Under no circumstances should oil change intervals
exceed 6,000 miles (10,000 km) or 6 months, whichever
comes first.
Your dealer will reset the oil change indicator message
after completing the scheduled oil change. If this sched-
uled oil change is performed by someone other than your
dealer the message can be reset by referring to the steps
described under ªOdometer/Trip Odometerº under ªIn-
strument Cluster Descriptionº in Section 4 of this
manual.
At Each Stop for Fuel
²Check the engine oil level about 5 minutes after a fully
warmed engine is shut off. Checking the oil level whilethe vehicle is on level ground will improve the accu-
racy of the oil level reading. Add oil only when the
level is at or below the ADD or MIN mark.
²Check the windshield washer solvent and add if
required.
Once a Month
²Check tire pressure and look for unusual wear or
damage.
²Inspect the battery and clean and tighten the terminals
as required.
²Check the fluid levels of coolant reservoir, brake
master cylinder, power steering and transmission and
add as needed.
²Check all lights and other electrical items for correct
operation.
MAINTENANCE SCHEDULES 515
8
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Adding Fuel........................... 375
Adjustable Pedals....................... 144
Air Cleaner, Engine
(Engine Air Cleaner Filter)..............455,481
Air Conditioner Maintenance............... 459
Air Conditioning Refrigerant.............459,460
Air Conditioning System................261,459
Air Conditioning System, Zone Control........ 264
Air Pressure, Tires....................348,357
Airbag............................34,48,56
Airbag Light.......................59,79,197
Airbag On/Off Switch..................... 56
Alarm (Security Alarm).................19,199
Alarm System (Security Alarm)............... 19
Alignment and Balance................... 356
Alterations/Modifications, Vehicle............. 7
Antenna, Satellite Radio................... 254
Antifreeze (Engine Coolant)...........466,467,508
Disposal............................ 469Anti-Lock Brake System (ABS)............320,325
Anti-Lock Warning Light...............202,322
Anti-Theft Security Alarm (Theft Alarm)........ 19
Anti-Theft System.....................19,199
Appearance Care........................ 484
Ashtray............................... 168
Assistance Towing....................... 104
Automatic Dimming Mirror................. 87
Automatic Transaxle...................... 12
Interlock System........................ 19
Automatic Transmission
Adding Fluid......................... 478
Fluid and Filter Changes................. 479
Fluid Level Check...................476,477
Fluid Type........................476,511
Shift Indicator........................ 199
Shifting............................. 283
Special Additives...................... 479
Axle Fluid..........................474,511
532 INDEX

Cassette Tape and Player Maintenance......... 257
Catalytic Converter...................... 455
CD (Compact Disc) Player............ 211,219,233
Cellular Phone.......................... 91
Center High Mounted Stop Light............ 502
Center Lap Belts......................... 45
Center Seat Storage Compartment.........173,174
Certification Label....................... 381
Chart, Tire Sizing........................ 340
Check Engine Light
(Malfunction Indicator Light)............... 201
Child Restraint........................62,63
Child Restraint Tether Anchors.............66,71
Child Seat............................63,70
Cigar Lighter........................... 168
Cleaning
Wheels............................. 486
Climate Control......................... 259
Clock.....................209,213,221,234,248Clutch............................... 474
Clutch Linkage Maintenance................ 474
Compact Disc (CD) Maintenance............. 258
Compact Spare Tire...................... 351
Compass...........................153,154
Compass Calibration..................... 154
Compass Variance....................... 155
Computer, Trip/Travel.................... 149
Console, Overhead....................... 148
Contract, Service........................ 525
Coolant Pressure Cap (Radiator Cap).......... 468
Cooling System......................... 465
Adding Coolant (Antifreeze).............. 467
Coolant Capacity...................... 508
Coolant Level......................465,469
Disposal of Used Coolant................ 469
Drain, Flush, and Refill.................. 466
Inspection........................... 469
Points to Remember.................... 469
534 INDEX