Chevrolet Silverado 4500HD/5500HD/6500HD Owner Manual (GMNA-
Localizing-U.S.-15778474) - 2022 - CRC - 10/19/21
232 Driving and Operating
Diesel fuel can foam when filling the tank.
The automatic pump nozzle may shut off,
even if the tank is not full. Wait for the
foaming to stop, and then fill the tank more
slowly. Be careful not to spill fuel. Wait
five seconds after pumping before removing
the fill nozzle. Clean fuel from painted
surfaces as soon as possible. See Exterior
Care 0 322.
Reinstall the cap by turning it clockwise
until it clicks.
{
Warning
Heat coming from the engine can cause
the fuel to expand and force the fuel out
of the tank. If something ignites the fuel,
a fire could start. To help avoid this, fill
the tank slowly and only until the nozzle
shuts off. Do not top it off. Clean up any
spilled fuel.
{
Warning
If a fire starts while you are refueling, do
not remove the fill nozzle. Shut off the
flow of fuel by shutting off the pump or
by notifying the station attendant. Leave
the area immediately.
Caution
If a new fuel cap is needed, be sure to
get the right type of cap from your
dealer. The wrong type of fuel cap may
not fit properly and could damage the
fuel system.
Accidental Refueling with Gasoline
Caution
If the vehicle is accidentally refueled with
gasoline, do not continue driving the
vehicle except to get to a location where
it can be stopped safely. Driving the
vehicle will damage the engine. Tow the
vehicle for service. Have the gasoline
removed from the tank and fuel system.
Reserve Fuel
No extra supply of fuel for the propulsion of
the vehicle or for the operation of
accessories shall be carried on any motor
vehicle, except in a properly mounted fuel
tank or tanks.
Filling a Portable Fuel Container
{
Warning
Filling a portable fuel container while it is
in the vehicle can cause fuel vapors that
can ignite either by static electricity or
other means. You or others could be
badly burned and the vehicle could be
damaged. Always:
.
Use approved fuel containers.
.
Remove the container from the
vehicle, trunk, or pickup bed before
filling.
.
Place the container on the ground.
.
Place the nozzle inside the fill opening
of the container before dispensing
fuel, and keep it in contact with the
fill opening until filling is complete.
.
Fill the container no more than 95%
full to allow for expansion.
.
Do not smoke, light matches, or use
lighters while pumping fuel.
.
Do not use electronic devices while
pumping fuel.
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