The button for the electric horn is located in the cen-
ter of the steering wheel. To sound the horn, press
down on the button. See
Air Horn, Optional
Single and dual air horns are available as options.
The air horn is controlled by a wire lanyard hanging
down just inboard on the driver’s door. See
Pull downward on the lanyard to sound the air horn.
Powertrain Controls
After-Treatment System (ATS)
Request/Inhibit Regen Switch
A parked regen of the ATS can be initiated with the
request/inhibit regen switch. It may also be used to
inhibit the vehicle from performing an automatic
regen. See
The style and function of switch will vary with the en-
gine make and model. See the engine operation
manual for operation details.
Cruise Control Switches
CAUTION
Do not attempt to shift gears without using the
clutch pedal when the cruise control is engaged.
Failure to follow this precaution will result in a
temporarily uncontrolled increase in engine
speed; transmission damage and gear stripping
could result.
On standard models, cruise control is activated by
two dash switches. See
. On some models,
cruise control can be activated by a button on the
transmission shift knob.
•
The On/Off Switch—this two-position rocker
switch bears the legend SPD CNTL on the
lower half of the switch. When cruise control is
on, an amber light illuminates in the top part of
the switch.
•
The Set/Resume Switch—this three-position
paddle switch bears the legend RES/ACC
above the paddle and SET/CST below the
paddle.
NOTE: For more information about cruise con-
trol operation, see
Engine Brake Switch, Optional
The engine brake switch controls the degree of en-
gine braking. Normally there are two paddle
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f461918
1
To sound the electric horn, press down on the horn
button.
1.
Horn Button
Fig. 4.14, Electric Horn Control
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f610592
To sound the air horn, pull down on the lanyard (arrow).
Fig. 4.15, Air Horn Control
f610848
03/09/2012
RGEN
Fig. 4.16, Request/Inhibit Regen Switch
Controls
4.7
