CHEVROLET 2010 Silverado - Manual (Page 457)

The TIGHTEN GAS CAP message displays on the
Driver Information Center (DIC) if the fuel cap is not
properly installed. See DIC Warnings and Messages on
page 4‑63 for more information.
{ WARNING:
If a fire starts while you are refueling, do not
remove the nozzle. Shut off the flow of fuel by
shutting off the pump or by notifying the station
attendant. Leave the area immediately.
Notice: If you need a new fuel cap, be sure to get
the right type. Your dealer/retailer can get one
for you. If you get the wrong type, it may not fit
properly. This may cause the malfunction indicator
lamp to light and may damage the fuel tank and
emissions system. See Malfunction Indicator Lamp
on page 4‑41.
Filling a Portable Fuel Container
{ WARNING:
Never fill a portable fuel container while it is in
the vehicle. Static electricity discharge from the
container can ignite the fuel vapor. You can be
badly burned and the vehicle damaged if this
occurs. To help avoid injury to you and others:
. Dispense fuel only into approved containers.
. Do not fill a container while it is inside a
vehicle, in a vehicle's trunk, pickup bed, or
on any surface other than the ground.
. Bring the fill nozzle in contact with the inside
of the fill opening before operating the nozzle.
Contact should be maintained until the filling is
complete.
. Do not smoke while pumping fuel.
. Do not use a cellular phone while
pumping fuel.
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