The headlight low beams remain on continuously
during high beam operation. If the low beam head-
lights are turned off by use of the headlight switch,
the high beams turn off also.
Hazard Warning Flasher
The hazard warning light flasher (
Fig. 4.10
) is a red
rocker switch located on the top of the multifunction
switch module. When the flashers are activated, all
of the turn signal lights (front, side, and rear) and the
two green indicator arrows on the control panel will
blink on and off.
To flash the hazard warning lights, press down on
the upper part of the rocker (towards the dash). To
stop the hazard warning lights, press down on the
lower part of the rocker (towards the steering wheel).
Horn Controls
NOTE: It is possible to have both the electric
and the air horn installed on one vehicle.
Electric Horn
A single electric horn is standard. Dual electric horns
are available as an option.
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
Fig. 4.14
.
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
Fig. 4.15
.
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
Fig. 4.16.
The style and function of switch will vary with the en-
gine make and model. See the engine operation
manual for operation details.
10/17/2001
f461918
1
To sound the electric horn, press down on the horn
button.
1.
Horn Button
Fig. 4.14, Electric Horn Control
10/17/2001
f610592
To sound the air horn, pull down on the lanyard (arrow).
Fig. 4.15, Air Horn Control
f610848
10/02/2006
Fig. 4.16, Request/Inhibit Regen Switch
Controls
4.7