tires RAM CHASSIS CAB 2012 Workshop Manual

DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES
The following tire grading categories were established by
the National Highway Traffic Safety Administration. The
specific grade rating assigned by the tire’s manufacturer
in each category is shown on the sidewall of the tires on
your vehicle.
All passenger car tires must conform to Federal safety
requirements in addition to these grades.
Treadwear
The Treadwear grade is a comparative rating, based on
the wear rate of the tire when tested under controlled
conditions on a specified government test course. For
example, a tire graded 150 would wear one and one-half
times as well on the government course as a tire graded
100. The relative performance of tires depends upon the
actual conditions of their use, however, and may depart significantly from the norm due to variations in driving
habits, service practices, and differences in road charac-
teristics and climate.
Traction Grades
The Traction grades, from highest to lowest, are AA, A, B,
and C. These grades represent the tire’s ability to stop on
wet pavement, as measured under controlled conditions
on specified government test surfaces of asphalt and
concrete. A tire marked C may have poor traction perfor-
mance.
WARNING!The traction grade assigned to this tire is based on
straight-ahead braking traction tests, and does not
include acceleration, cornering, hydroplaning, or
peak traction characteristics.
9 IF YOU NEED CONSUMER ASSISTANCE 479

Temperature Grades
The temperature grades are A (the highest), B, and C,
representing the tire’s resistance to the generation of heat
and its ability to dissipate heat, when tested under
controlled conditions on a specified indoor laboratory
test wheel. Sustained high temperature can cause the
material of the tire to degenerate and reduce tire life, and
excessive temperature can lead to sudden tire failure. The
grade C corresponds to a level of performance, which all
passenger car tires must meet under the Federal Motor
Vehicle Safety Standard No. 109. Grades B and A repre-
sent higher levels of performance on the laboratory test
wheel, than the minimum required by law. WARNING!The temperature grade for this tire is established for
a tire that is properly inflated and not overloaded.
Excessive speed, under-inflation, or excessive load-
ing, either separately or in combination, can cause
heat buildup and possible tire failure.480 IF YOU NEED CONSUMER ASSISTANCE

Adding Engine Coolant (Antifreeze) .......... 418
Adding Fuel ........................... 340
Adjustable Pedals ....................... 158
Air Cleaner, Engine (Engine Air Cleaner Filter) . . . 408
Air Conditioner Maintenance ............... 411
Air Conditioning ........................ 256
Air Conditioning Controls ................. 256
Air Conditioning Refrigerant ............. 41 1,412
Air Conditioning System ............. 256,260,411
Air Conditioning, Operating Tips ............ 267
Air Pressure, Tires .................... 319,330
Airbag ................................ 52
Airbag Deployment ....................... 60
Airbag Light ..................... 58,62,79,200
Airbag Maintenance ....................... 61
Airbag, Side ............................ 57
Airbag, Window (Side Curtain) ............... 57
Alarm (Security Alarm) .................... 19
Alarm Light ........................... 192 Alarm System (Security Alarm) ............... 19
Alarm, Panic ............................ 24
Alterations/Modifications, Vehicle ............. 7
Antenna, Satellite Radio ................... 243
Anti-Lock Warning Light ............... 200,308
Anti-Theft Security Alarm (Theft Alarm) ........ 19
Anti-Theft System ........................ 19
Antifreeze (Engine Coolant) ................ 418
Capacities .......................... 449
Disposal ........................... 420
Appearance Care ........................ 430
Ashtray ............................... 169
Assistance Towing ....................... 107
Auto Down Power Windows ................ 35
Automatic Dimming Mirror ................. 87
Automatic Door Locks ..................... 32
Automatic Headlights .................... 148
Automatic Temperature Control (ATC) ......... 260482 INDEX

Grocery Bag Retainer ..................... 180
Gross Axle Weight Rating .................. 345
Gross Vehicle Weight Rating ................ 344
Guide, Body Builders ...................... 6
GVWR ............................... 342
Hands-Free Phone (Uconnect™) .............. 93
Hazard
Driving Through Flowing, Rising, or Shallow
Standing Water ...................... 300
Hazard Warning Flasher ................... 376
Head Restraints ......................... 138
Headlights ............................ 443
Automatic ......................... 148
Cleaning ........................... 434
High Beam ......................... 154
High Beam/Low Beam Select Switch ...... 154
Lights On Reminder .................. 152
Passing ............................ 154 Switch ............................ 148
Heated Mirrors ....................... 91,180
Heated Seats ........................... 132
Heater ............................... 256
Heater, Engine Block ..................... 275
High Beam/Low Beam Select (Dimmer) Switch . . 154
Hitches
Trailer Towing ....................... 347
Hoisting .............................. 388
Hood Release .......................... 145
Hub Caps ............................. 383
Ignition ............................... 14
Key ............................. 12,14
Ignition Key Removal ..................... 14
Illuminated Entry ........................ 20
Immobilizer (Sentry Key) ................... 16
Infant Restraint .......................... 64
Inflation Pressure Tires .................... 330488 INDEX

Information Center, Vehicle ................. 203
Inside Rearview Mirror .................... 87
Instrument Cluster .................... 187,189
Instrument Panel and Controls .............. 186
Instrument Panel Lens Cleaning ............. 435
Integrated Power Module (Fuses) ............ 435
Integrated Trailer Brake Controls ............. 354
Interior Appearance Care .................. 433
Interior Lights .......................... 150
Intermittent Wipers (Delay Wipers) ........... 155
Introduction ............................. 4
Inverter Outlet (115V) ..................... 170
Jack Location ........................... 376
Jump Starting .......................... 388
Key-In Reminder ......................... 16
Key, Programming ........................ 18
Key, Replacement ........................ 17 Key, Sentry (Immobilizer) ................... 16
Keyless Entry System ...................... 21
Keys ................................. 12
Lane Change and Turn Signals .............. 153
Lane Change Assist ...................... 154
Lap Belts .............................. 48
Lap/Shoulder Belts ....................... 39
LATCH
(Lower Anchors and Tether for CHildren) ....... 68
Latches ................................ 81
Leaks, Fluid ............................ 81
Life of Tires ............................ 328
Light Bulbs ............................. 81
Lights .............................. 81,147
Airbag ...................... 58,62,79,200
Alarm ............................ 192
Anti-Lock .......................... 200
Anti-Lock Warning ................... 308
10 INDEX 489

Automatic Headlights ................. 148
Brake Warning ...................... 197
Bulb Replacement ................. 442,443
Cap Top Clearance ................... 447
Cargo ............................. 152
Center Mounted Stop .................. 445
Check Engine (Malfunction Indicator) ...... 199
Courtesy/Reading .................... 164
Daytime Running .................... 153
Exterior ............................ 81
Fog ......................... 150,200,445
Four-Wheel Drive Indicator ............. 291
Hazard Warning Flasher ............... 376
Headlights ......................... 148
High Beam ...................... 154,196
High Beam Indicator .................. 196
High Beam/Low Beam Select ............ 154
Illuminated Entry ..................... 20
Instrument Cluster ................... 189 Interior ......................... 150,164
Lights On Reminder .................. 152
Low Fuel .......................... 196
Oil Pressure ........................ 198
Passing ............................ 154
Seat Belt Reminder ................... 202
Security Alarm (Theft Alarm) ............ 192
Service ......................... 442,443
Theft Alarm (Security Alarm) ............ 192
Transfer Case ....................... 291
Turn Signal .................... 81,153,443
Warning (Instrument Cluster Description) . . . 189
Limited-Slip Differential ................ 298,426
Loading Vehicle ......................... 342
Tires .............................. 314
Locks ................................. 30
Automatic Door ...................... 32
Child Protection ...................... 32
Door .............................. 30490 INDEX

Sliding Rear Window .................. 181
Steering ........................ 302,303
Windows ........................... 34
Power Steering Fluid ..................... 451
Pregnant Women and Seat Belts .............. 52
Programmable Electronic Features ............ 216
Programming Transmitters
(Remote Keyless Entry) .................... 21
Radial Ply Tires ......................... 324
Radiator Cap (Coolant Pressure Cap) ....... 417,419
Radio Operation ........................ 255
Rear Axle (Differential) ................. 425,426
Rear Window Features .................... 180
Rear Window, Sliding ..................... 181
Reclining Front Seats ..................... 137
Recorder, Event Data ...................... 63
Recreational Towing ...................... 365
Shifting into Transfer Case Neutral (N) . . 368,370 Shifting out of Transfer
Case Neutral (N) .................. 369,373
Reformulated Gasoline .................... 336
Refrigerant ............................ 412
Reminder, Seat Belt ....................... 51
Remote Control
Starting System ....................... 26
Remote Keyless Entry (RKE) ................. 21
Remote Sound System (Radio) Controls ........ 253
Remote Starting System .................... 26
Replacement Keys ........................ 17
Replacement Parts ....................... 404
Replacement Tires ....................... 328
Reporting Safety Defects ................... 476
Resetting Oil Change Indicator ........... 194,210
Restraint, Head ......................... 138
Restraints, Child ....................... 64,70
Restraints, Occupant ...................... 38
Rotation, Tires .......................... 333
10 INDEX 493

Shifting ............................... 276
Automatic Transmission ................ 278
Transfer Case ....................... 290
Transfer Case, Shifting into Transfer
Case Neutral (N) .................. 368,370
Transfer Case, Shifting out of Transfer
Case Neutral (N) .................. 369,373
Short Message Service (SMS) ................ 115
Shoulder Belt Upper Anchorage .............. 48
Shoulder Belts ........................... 39
Signals, Turn ...................... 81,153,189
Sliding Rear Window
Power ............................ 181
Snow Chains (Tire Chains) ................. 330
Snow Plow ............................ 361
Snow Tires ............................ 332
Spare Tire .......................... 325,326
Spark Plugs ............................ 450
Speed Control (Cruise Control) .............. 160 Speedometer ........................... 190
Starting ............................. 26,273
Automatic Transmission ................ 273
Cold Weather ....................... 274
Engine Fails to Start .................. 274
Remote ............................ 26
Starting Procedures (Gas Engines) ............ 273
Steel Carcass Ply Tires .................... 321
Steering
Power .......................... 302,303
Wheel, Heated ...................... 159
Wheel, Tilt ......................... 157
Steering Wheel Audio Controls .............. 253
Steering Wheel Mounted Sound
System Controls ......................... 253
Storage Compartment, Center Seat ........... 176
Storage, Vehicle ...................... 266,441
Storing Your Vehicle ...................... 441
Supplemental Tire Pressure Information ........ 330
10 INDEX 495

Synthetic Engine Oil ...................... 408
System, Remote Starting .................... 26
Tachometer ............................ 189
Temperature Control, Automatic (ATC) ........ 260
Temperature Gauge, Engine Coolant .......... 189
Tether Anchor, Child Restraint ............. 68,73
Text Messaging ......................... 115
Tilt Steering Column ..................... 157
Tip Start .............................. 274
Tire and Loading Information Placard ...... 314,330
Tire Identification Number (TIN) ............. 312
Tire Markings .......................... 309
Tire Safety Information .................... 309
Tires ............................ 81,318,479
Aging (Life of Tires) .................. 328
Air Pressure ........................ 318
Chains ............................ 330
Compact Spare ...................... 325 Dual ........................... 334,384
General Information .................. 318
High Speed ......................... 323
Inflation Pressures .................... 319
Life of Tires ........................ 328
Load Capacity .................... 314,315
Quality Grading ..................... 479
Radial ............................ 324
Replacement ........................ 328
Rotation ........................... 333
Safety .......................... 309,318
Sizes ............................. 310
Snow Tires ......................... 332
Spinning ........................... 327
Steel Carcass Ply ..................... 321
Tread Wear Indicators ................. 327
Wheel Nut Torque .................... 382
Tongue Weight/Trailer Weight .............. 349
Torque Converter Clutch .................. 287496 INDEX