Chevrolet Silverado 4500HD/5500HD/6500HD Owner Manual (GMNA-
Localizing-U.S.-12102101) - 2019 - crc - 10/2/18
218
Driving and Operating
Warning (Continued)
gases are very hot. Things that
burn could touch hot exhaust
parts under the vehicle and ignite.
You or others could be burned.
Do not park, or idle for an
extended period of time, near or
over papers, leaves, dry grass,
or other things that can burn.
Keep the exhaust area clear of
material that could ignite or burn.
See
Caution
Extended idle should be avoided
because the DPF system is not
capable of self cleaning at idle.
During extended idle operation,
monitor the instrument cluster
telltale lights and Driver
Information Center for messages
and take appropriate indicated
(Continued)
Caution (Continued)
action. Continued idling with the
warning light/message on could
cause irreversible damage to the
DPF requiring repair and possible
replacement that might not be
covered by the vehicle warranty.
You will also notice a change in the
exhaust sound and engine idle
speed. This is normal.
If you continue to drive with the DPF
warning message on and the
exhaust filter is not cleaned as
required, the malfunction indicator
lamp and the ENGINE POWER IS
REDUCED message will come on
and dealer service is necessary.
See
.
Vehicles with the DPF have specific
fuel and engine oil requirements.
See
and
.
Extended idling in P (Park) can
cause exhaust parts and gases to
become very hot. Keep the exhaust
area clear of material that could
ignite or burn. See
If equipped with Power
Take-Off (PTO), monitor the
instrument cluster for lights related
to the DPF.
See
for important information if
you are considering adding
accessories or modifying the
vehicle.
Manual Regeneration of Diesel
Particulate Filter
If equipped, this feature allows for
manual cleaning/regeneration of the
DPF when it is unable to clean
itself. It may be necessary to
perform a manual regeneration if
driving conditions
—
such as
extended slow speed, stop-and-go
traffic, extended idles, short drive
cycles, or stationary PTO
operation
—
prevent DPF
self-cleaning.