Daytime Running Lights - Peterbilt 348 2017 Operator's Manual

DASH- AND DOOR-MOUNTED CONTROLS
WARNING!
Use your Hazard Flasher Warning
System any time you have to stop off
the road or on the side of the road,
day or night. A hard-to-see vehi-
cle can result in an injury accident.
Another vehicle could run into you
if you do not set your flashers and
3
follow the placement of emergency
signals per FMCSR 392.22. Always
move the vehicle a safe distance off
the road when stalled or stopped
for repairs. A disabled vehicle can
be dangerous for you and others.
The hot exhaust system could ig-
nite dry grass, spilled fuel, or other
substances. Do not park or operate
your vehicle where the exhaust sys-
tem could contact dry grass, brush,
spilled fuel, or any other material that
could cause a fire.
3-48

Daytime Running Lights

On vehicles equipped with the Daytime
Running Light (DRL) system, the
low beam headlights are turned ON
automatically at reduced brightness (to
conserve headlamp life).
If the headlight switch is turned OFF,
the DRL system engages automatically
after the engine starts and you release
the parking brake. If the headlight
switch is ON, the DRL system is
overridden, and headlights operate
normally.
Y53-6060-1C1
WARNING!
Do not use daytime running lights
(DRL) during periods of darkness or
reduced visibility. Do not use DRL as
a substitute for headlights or other
lights during operations that require
lighting of your vehicle. Doing so
could lead to an injury accident.
CAUTION
On vehicles equipped with daytime
running lights (DRL), the high-beam
headlamps go on automatically at
reduced brightness if the engine is
running and the headlamp switch
is turned off. The daytime running
lights are turned off automatically
while the parking brake is engaged.
If the headlamp switch is turned
on, the DRL system is overridden &
headlamps operate normally.
(03/17)