OPERATOR'S MANUAL
Medium Duty (R05/09) Y53-6027 – 271 –
Cruise control
operation 97
Cruise Control On/Off 17
Cruise Control Select 17
D
Daily operations 86
dash 16
dashboard 16
Daytime running lights 52
DEF 43, 176
DEF Gauge 17
Defogging/defrosting system 68
Deisel Exhaust Fluid 176
Department of transportation regulation 392.7 83
Diesel fuel 148
Dipstick 174
Disc brake pads 190
Disc brake rotors 191
Door Lock 9
Door lock 59, 231
Double check valve 119
Downshift 102
Driver Information Display 17
Driver’s
checklist 83
daily and weekly checks 85, 86, 88
seat 74
tips 102
Driveshaft 245
lubrication 245
Driving
bobtail 116, 122
vehicle inspection 83
with deflated air springs 137
DRL 52
Dry tank 119
Dual air pressure gauge 92
E
Economical driving 130
Electrical system 220
alternator 227
batteries 220, 221, 225
battery charging 221, 224, 226
jumper cables 222
Electrolyte 225
Emergency
braking 112
equipment 85
Emission Components 176
Engine
belt tension 86, 221
block heater 93
compression 146
daily checks 86
fan switch 96
heater 182, 215, 218










