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Peterbilt 579 - Page 137

Peterbilt 579
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SWITCHES
NOTE
Across the U.S.A. and Canada,
State/Provincial requirements vary as
to when high beams and fog lights can
and cannot be used together. Some
states allow only four lights to be used
together, while some allow more. How
your lights are arranged will affect
whether you can operate headlights
and fog lights concurrently—always
comply with the state or provincial re
-
quirements where you are driving.
36. Lights, Hazard
With the
switch in the ON position,
the emergency asher makes all four
turn signals (front and rear) ash
simultaneously. The asher works
independently of the ignition switch.
You should always use the asher
if the vehicle is disabled or parked
under emergency conditions.
WARNING!
Use your Hazard Warning Light Sys-
tem any time you have to stop off the
road or on the side of the road, day
or night. A hard-to-see vehicle can re
-
sult in an injury accident. Another ve-
hicle could run into you if you do not
set your ashers and follow the place
-
ment of emergency signals per FM-
CSR 392.22.
37. Lights, Headlight
Turn
switch on for headlights. When
the Headlights are ON, the dash
lights, side, and tail lights are also on.
CAUTION
If you have conrmed there is a prob-
lem in the low beam wiring circuit, pro-
ceed with caution to the next available
exit/turnoff and safely pull your vehi
-
cle completely off the road and call for
assistance. Driving your vehicle with
the headlamps on high beam (at re
-
duced intensity) for a prolonged period
could lead to an injury accident. Con
-
tact your nearest dealer to have the
problem corrected as soon as possi
-
ble.
38. Lights, Marker/Clearance
Turn
switch on to control Cab and
Vehicle Marker/Clearance lights.
NOTE
An interrupt
switch for the trailer
marker lights is mounted on the end
of the turn signal lever.
3
(04/13) Y53-6047–2C 3-65

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