Driver Controls Interior Light Controls 5 The cab is equipped with a dome light and optional high-intensity reading lights. The sleeper section is equipped with accessory lights and high-intensity reading lights. Baggage compartments may be equipped with accessory lights. 6 When the panel lights are on, most switch icons are backlit with a colored light to allow the driver to find switches more easily in the dark. When a switch is activated, the lightbar on the switch is backlit with a colored light. Dash Lights 4 The dash lights switch is operated by pushing the upper half of the switch and holding to obtain the brightness desired.
Pushing and holding the lower half of the switch will dim the dash lights. 05/07/2001 f610493 1 2 3 1. Tilt/Telescopic Steering Column Lever 2. Hazard Warning Light Tab 3. Turn Signal Lever 4. High-Beam Headlight Switch 5. Electric Horn 6. Trailer Brake Hand Control Valve Lever Overhead Console Lights In cabs with an overhead console, there is an op- tional overhead light assembly containing a diffuse dome light and clear reading lights. Fig. 4.7, Steering Column-Mounted Controls Rear Dome Light When the high-beam headlights are on, a blue light illuminates on the lightbar. The standard rear dome light is installed on the back of the cab above the rear window.
Horn Controls Air Horn Trailer Clearance Lights The trailer clearance lights switch activates the trailer clearance lamps independent of the tractor lamps. Turn Signals The air horn is controlled by a wire lanyard hanging from the center of the overhead console. Pull down- ward on the lanyard to sound the air horn. The turn-signal switch is typically a non-canceling combination turn-signal, hazard, and headlight- dimmer unit that mounts to a bracket on the left side of the steering column. See Fig. 4.7 . Electric Horn The electric horn button is located in the center of the steering wheel. See Fig. 4.7 . To sound the horn, press down on the button.
The horn will sound as long as the button is pressed, up to 60 seconds. Moving the turn signal switch down turns on the left- turn signal; moving it up turns on the right-turn sig- nal. To manually cancel the signal, move the lever to the neutral position. When a turn signal is activated, a green telltale light flashes on the lightbar. On a self-canceling turn signal switch, the switch au- tomatically returns to the neutral position when the steering wheel returns to the straight ahead position after a turn. 4.5