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â–« Operating Precautions ..................268
▫ Cooling System Tips — Automatic
Transmission ........................268
m Engine Block Heater (Gas Engines)—
If Equipped ...........................270
m Diesel Exhaust Brake (Engine Braking) –
If Equipped ...........................270
m Automatic Transmission ..................273
â–« Automatic Transmission With Overdrive
(5 Speed 545RFE) — If Equipped ..........273
▫ Automatic Transmission (6 Speed AS68RC) —
If Equipped .........................279
m Manual Transmission ....................285
▫ Manual Transmission — 6 Speed (G56) ......286
â–« Recommended Vehicle Shift Speeds ........287
▫ Downshifting – Gas Engine ..............288
▫ Downshifting – Diesel Engine ............288
m Four-Wheel-Drive Operation — If Equipped ....289
â–« Manually Shifted Transfer Case Operating
Information/Precautions ................289
▫ Shifting Procedure — Manually Shifted
Transfer Case ........................292
â–« Transfer Case Reminder Light ............293
â–« Electronically Shifted Transfer Case Operating
Information/Precautions (4 Position Switch) —
If Equipped .........................294
▫ Shifting Procedure — Electronically Shifted
Transfer Case ........................298
m Limited-Slip Differential — If Equipped .......301
m Power Take Off Operation – If Equipped ......302
248 STARTING AND OPERATING
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