Filling A Portable Fuel Container; Trailer Towing; General Towing Information; Driving Characteristics And Towing Tips - GMC Sierra Denali 1500 2023 Owner's Manual

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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, get the right
type of cap from your dealer. The wrong
type of fuel cap may not fit properly,
may turn on the malfunction indicator
lamp, and could damage the fuel system
and emissions system. See Malfunction
Indicator Lamp (Check Engine Light)
0 120.

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
Warning (Continued)
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.
When transporting a fuel container or
other material that can catch fire in
the truck bed, secure the container to
prevent spills.
(Continued)
Driving and Operating

Trailer Towing

General Towing Information

Only use towing equipment that has been
designed for the vehicle. Contact your dealer
or trailering dealer for assistance with
preparing the vehicle to tow a trailer. Read
the entire section before towing a trailer.
To tow a disabled vehicle, see Transporting
a Disabled Vehicle 0 403. To tow the vehicle
behind another vehicle such as a motor
home, see Recreational Vehicle Towing
0 404.
Driving Characteristics and
Towing Tips
Warning
You can lose control when towing a
trailer if the correct equipment is not
used or the vehicle is not driven properly.
For example, if the trailer is too heavy or
the trailer brakes are inadequate for the
load, the vehicle may not stop as
expected. You and others could be
seriously injured. The vehicle may also be
damaged, and the repairs would not be
301
(Continued)

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