Dodge 2006 Freightliner Owner's Manual page 90

90 UNDERSTANDING YOUR INSTRUMENT PANEL
Upper Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . 122
Heated Rear Window (Optional) . . . . . . . . . . . 123
Windshield Heater (Optional) . . . . . . . . . . . . . 123
Residual Engine Heat Utilization (REST) . . . . 124
Air Conditioning, Regulated (Optional) . . . . . . 124
Climate Control (on Vehicles with
Air Conditioning) . . . . . . . . . . . . . . . . . . . . . . . . 125
Dehumidification
(on Vehicles with Air Conditioning) . . . . . . . . 126
Air Conditioner for the Rear Passenger
Compartment (Optional) . . . . . . . . . . . . . . . . . 127
Air Recirculation . . . . . . . . . . . . . . . . . . . . . . . . 128
Air Strainer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Electric Blower (Optional) . . . . . . . . . . . . . . . . . . . 130
Heater Booster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Auxiliary Heater - Water or Air Heater
(Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Auxiliary Heater Switch . . . . . . . . . . . . . . . . . . 134
Timer Auxiliary Heater . . . . . . . . . . . . . . . . . . . 134
Settings with the Auxiliary Heater
switched on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Auxiliary Heat Exchanger in Load Compartment,
only with Auxiliary Heater (Optional) . . . . . . . . 139
Auxiliary Heater - Tips for Coping
with Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140