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Jeep 2008 Grand Cherokee User Manual

Page 273

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Tire Spinning . . . . . . . . . . . . . . . . . . . . . . . . 321
Tread Wear Indicators . . . . . . . . . . . . . . . . . . 322
Life Of Tire . . . . . . . . . . . . . . . . . . . . . . . . . 323
Replacement Tires . . . . . . . . . . . . . . . . . . . . . 323
Alignment And Balance . . . . . . . . . . . . . . . . . 324

Tire Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Tire Rotation Recommendations . . . . . . . . . . . . 325
Tire Pressure Monitor System (TPMS) . . . . . . . . 326

Base System — If Equipped . . . . . . . . . . . . . . 329
Premium System — If Equipped . . . . . . . . . . 331
General Information . . . . . . . . . . . . . . . . . . . 336

Fuel Requirements . . . . . . . . . . . . . . . . . . . . . . 336

3.7/4.7L Engines (If Equipped) . . . . . . . . . . . . 336

5.7L Engines (If Equipped) . . . . . . . . . . . . . . . 337
Reformulated Gasoline . . . . . . . . . . . . . . . . . 337
Gasoline/Oxygenate Blends . . . . . . . . . . . . . . 338
MMT In Gasoline . . . . . . . . . . . . . . . . . . . . . 338
Materials Added To Fuel . . . . . . . . . . . . . . . . 339
Fuel System Cautions . . . . . . . . . . . . . . . . . . 339
Carbon Monoxide Warnings . . . . . . . . . . . . . . 340

Flexible Fuel (4.7L Engine Only) —

If Equipped . . . . . . . . . . . . . . . . . . . . . . . . . . . 340

E-85 General Information . . . . . . . . . . . . . . . . 340
Ethanol Fuel (E-85) . . . . . . . . . . . . . . . . . . . . 341
Fuel Requirements . . . . . . . . . . . . . . . . . . . . 342
Selection Of Engine Oil For Flexible Fuel

Vehicles (E-85) And Gasoline Vehicles . . . . . . . 343

STARTING AND OPERATING

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