GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13690468) - 2021 - CRC - 2/18/20
Driving and Operating 279
{
Warning
Overfilling the fuel tank by more than
three clicks of a standard fill nozzle may
cause:
.
Vehicle performance issues, including
engine stalling and damage to the fuel
system.
.
Fuel spills.
.
Potential fuel fires.
Be careful not to spill fuel. Wait five seconds
after you have finished pumping before
removing the nozzle. Clean fuel from
painted surfaces as soon as possible. See
Exterior Care 0 375.
{
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.
Filling the Tank with a Portable Gas Can
If the vehicle runs out of fuel and must be
filled from a portable gas can:
1. Locate the capless funnel adapter.
2. Insert and latch the funnel into the
capless fuel system.
{
Warning
Attempting to refuel without using the
funnel adapter may cause fuel spillage
and damage the capless fuel system. This
could cause a fire and you or others
could be badly burned and the vehicle
could be damaged.
3. Remove and clean the funnel adapter
and return it to the storage location.
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 or others could be
badly burned and the vehicle could be
damaged. 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, in
a 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. Maintain contact
until filling is complete.
.
Keep sparks, flames, and smoking
materials away from fuel.
.
Avoid using electronic devices while
pumping fuel.
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