Panel D.....................................................................................................................60 Panel E .....................................................................................................................61 Tachometer...............................................................................................................64 Upper Tell-Tales.......................................................................................................64 Speedometer.............................................................................................................64 Front and Rear Brake System Air Pressure Gauges ................................................64 Oil Pressure Gauge ..................................................................................................65 Coolant Temperature Gauge ....................................................................................67 Middle and Lower Tell-Tales...................................................................................67 Driver Information Display (DID)...........................................................................67 Fuel Level Gauge.....................................................................................................67 Intake Manifold Pressure Gauge (High Level Cluster Only) ..................................68 Application Air Pressure Gauge (High Level Cluster Only)...................................68 Exhaust Pyrometer Gauge (High Level Cluster Only) ............................................69 Exhaust Pyrometer Gauge (High Level Cluster Only) ............................................69 DASH SWITCHES..................................................................................................91 Power Take-Off (PTO).............................................................................................91 CLIMATE CONTROL SYSTEMS .........................................................................98 AIR CONDITIONING MANUAL CLIMATE CONTROL (MCC).....................102 SLEEPER CLIMATE UNIT..................................................................................106 LIGHT CONTROL PANEL..................................................................................107 SLEEPER CONTROL PANEL (SLEEPER MODELS ONLY) ...........................110 Sleeper Control Panel, High ..................................................................................112 Sleeper Control Panel, Basic..................................................................................114 MISCELLANEOUS CAB EQUIPMENT.............................................................122 STEERING COLUMN..........................................................................................125 ADJUSTABLE STEERING COLUMN................................................................127 STEERING WHEEL CONTROLS.......................................................................128 MISCELLANEOUS SWITCHES .........................................................................129 INTERIOR LIGHTS..............................................................................................130 Fresh Air Vent........................................................................................................134 CAB VENTILATION, SLEEPER.........................................................................135 Inverter Switch 12 V DC to 120 V AC..................................................................140 PARKING HEATER (OPTIONAL, SLEEPER MODELS ONLY)......................149 ANTENNAS..........................................................................................................151 TELEVISION ........................................................................................................153 TV Antenna............................................................................................................154 COMMUNICATION EQUIPMENT.....................................................................155 CB Radio................................................................................................................155 STORAGE COMPARTMENTS............................................................................156 SLEEPER BUNKS................................................................................................169 VN 780, VNL 730, VN 670 OFFICE....................................................................184 SLEEPER COMPARTMENT SINK .....................................................................186 OPERATION................................................................................................................192 PRE-TRIP INSPECTION AND DAILY MAINTENANCE.....................................192 Pre-Trip Assistance ...............................................................................................192