Pressing the power door lock switch opens or locks
both the driver’s and passenger’s doors simutane-
ously.
To adjust the mirrors, first use the selector to activate
either the left or the right mirror, then use the direc-
tional switch to aim them inward, outward, upward or
downward. See
Fig. 5.3.
Air Horn
Air horns may be mounted on the roof of day cabs,
or under the driver-side floor for sleeper cabs. The
air horn is controlled by a wire lanyard that hangs
down inboard by the driver’s door. See
Fig. 5.4. Pull
downward on the lanyard to sound the air horn.
Lower Right-Hand Dash Panel
Switches
The lower right-hand dash has a small electrical
switch panel with room for three switches. Typically it
houses the panel lamp dimmer switch, the footwell
courtesy lamp switch, and the mirror heat switch.
See
Fig. 5.5.
Panel Lamps Control Switch
The circuit to the panel lamps is activated by the
headlight switch. When the headlights are turned on
the panel lamps are illuminated. The intensity of the
instrument panel lamps can be controlled with the
panel lamp switch. Slide the switch toggle up to
brighten them and down to dim them. See Fig. 5.5.
11/09/2009
1
2
3
4
5
f611084
1. Passenger-Side Window Switch
2. Driver-Side Window Switch
3. Door Lock/Unlock Switch
4. Mirror Selector Switch
5. Mirror Directional Switch
Fig. 5.3, Driver’s Door Mounted Switches
06/13/2007 f602322
1
1. Lanyard
Fig. 5.4, Air Horn Control
11/19/2009 f611086
1
2
3
1. Panel Lamp Switch
2. Foot Well Courtesy Lamp Switch
3. Mirror Heat Switch
Fig. 5.5, Lower RH Dash Panel Switches
Driver Controls
5.3
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