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EnglishDriving and Operating -> Fuel for your Chevrolet Silverado 1500 2018-2025
294
Driving and Operating
is normal system operation; the vehicle does
not need service. Turn LKA off if these
conditions continue.
When the System Does Not Seem to
Work Properly
Recommended Fuel (2.7L L4 and
5.3L V8 Engines)
For diesel engine vehicles, see “Fuel for
Diesel Engines” in the Duramax diesel
supplement.
The system performance may be
affected by:
Fuel
.
Close vehicles ahead.
.
Sudden lighting changes, such as when
driving through tunnels.
Top Tier Fuel
GM recommends the use of TOP TIER
Detergent Gasoline to keep the engine clean,
reduce engine deposits, and maintain
optimal vehicle performance. Look for the
for a list of TOP TIER Detergent Gasoline
marketers and applicable countries.
.
.
Banked roads.
Roads with poor lane markings, such as
two-lane roads.
If the LKA system is not functioning
properly when lane markings are clearly
visible, cleaning the windshield may help.
Regular unleaded gasoline meeting ASTM
specification D4814 with a posted octane
rating (R+M)/2 of 87 or greater is
recommended. Do not use gasoline with a
posted octane rating of less than 87, as this
will result in reduced performance and
driveability. If heavy knocking is heard when
using gasoline rated at 87 or greater, the
engine needs service.
A camera blocked message may display if
the camera is blocked. Some driver
assistance systems may have reduced
performance or not work at all. An LKA or
LDW unavailable message may display if the
systems are temporarily unavailable. This
message could be due to a blocked camera.
The LKA system does not need service. Clean
the outside of the windshield behind the
rearview mirror.
Do not use any fuel labeled E85 or FlexFuel.
Do not use gasoline with ethanol levels
greater than 15% by volume.
LKA assistance and/or LDW alerts may occur
due to tar marks, shadows, cracks in the
road, temporary or construction lane
markings, or other road imperfections. This
Driving and Operating
295
Recommended Fuel (6.2L
V8 Engine)
Prohibited Fuels
Fuels in Foreign Countries
The U.S., Canada, and Mexico post fuel
octane ratings in anti-knock index (AKI). For
fuel not to use in a foreign country, see
Prohibited Fuels 0 295.
Caution
Do not use fuels with any of the
following conditions; doing so may
damage the vehicle and void its
warranty:
Fuel Additives
.
.
.
.
For vehicles that are not FlexFuel, fuel
labeled greater than 15% ethanol by
volume, such as mid-level ethanol
blends (16–50% ethanol), E85,
or FlexFuel.
TOP TIER Detergent Gasoline is highly
recommended for use with your vehicle.
If your country does not have TOP TIER
Detergent Gasoline, add ACDelco Fuel
System Treatment Plus−Gasoline to the
vehicle’s gasoline fuel tank at every oil
change or 15 000 km (9,000 mi), whichever
occurs first. TOP TIER Detergent Gasoline and
ACDelco Fuel System Treatment Plus
−Gasoline will help keep your vehicle’s
engine fuel deposit free and performing
optimally.
Premium unleaded gasoline meeting ASTM
specification D4814 with a posted octane
rating (R+M)/2 of 91 or greater is
recommended. If unavailable, unleaded
gasoline with a posted octane rating of
87 may be used, but will result in reduced
performance and driveability. If heavy
knocking is heard when using gasoline rated
at 91 or greater, the engine needs service.
Fuel with any amount of methanol,
methylal, ferrocene, and aniline. These
fuels can corrode metal fuel system
parts or damage plastic and rubber
parts.
Fuel containing metals such as
methylcyclopentadienyl manganese
tricarbonyl (MMT), which can damage
the emissions control system and
spark plugs.
Do not use any fuel labeled E85 or FlexFuel.
Do not use gasoline with ethanol levels
greater than 15% by volume.
Filling the Tank (Pickup Model)
If the vehicle has a diesel engine, see the
Duramax diesel supplement.
Fuel with a posted octane rating of
less than the recommended fuel. Using
this fuel will lower fuel economy and
performance, and may decrease the
life of the emissions catalyst.
An arrow on the fuel gauge indicates which
side of the vehicle the fuel door is on. See
Fuel Gauge 0 111.
296
Driving and Operating
Warning (Continued)
Warning
Warning
{
{
.
Fuel can spray out if the fill nozzle is
inserted too quickly. This spray can
happen if the tank is nearly full, and is
more likely in hot weather. Insert the
fill nozzle slowly and wait for any hiss
noise to stop before beginning to
flow fuel.
Fuel vapors and fuel fires burn violently
and can cause injury or death.
Overfilling the fuel tank by more than
three clicks of a standard fill nozzle may
cause:
Follow these guidelines to help avoid
injuries to you and others:
.
Vehicle performance issues, including
engine stalling and damage to the fuel
system.
.
Read and follow all the instructions on
the fuel pump island.
.
.
Fuel spills.
.
.
Turn off the engine when refueling.
Under certain conditions, fuel fires.
Keep sparks, flames, and smoking
materials away from fuel.
Be careful not to spill fuel. Wait five seconds
after you have finished pumping before
removing the fill nozzle. Clean fuel from
painted surfaces as soon as possible. See
Exterior Care 0 406. Push the fuel door
closed.
.
.
.
.
Do not leave the fuel pump
unattended.
Avoid using electronic devices while
refueling.
Do not re-enter the vehicle while
pumping fuel.
Warning
{
Keep children away from the fuel
pump and never let children
pump fuel.
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.
The capless refueling system does not have
a fuel cap. Fully insert and latch the fill
nozzle, begin fueling.
.
Before touching the fill nozzle, touch a
metallic object to discharge static
electricity from your body.
(Continued)
Driving and Operating
Warning (Continued)
297
Filling the Tank with a Portable Fuel
Container
Filling the Tank (Chassis Cab
Model)
An arrow on the fuel gauge indicates which
side of the vehicle the fuel door is on. See
Fuel Gauge 0 111.
.
.
.
Keep children away from the fuel
pump and never let children
pump fuel.
If the vehicle runs out of fuel and must be
filled from a portable fuel container:
Before touching the fill nozzle, touch a
metallic object to discharge static
electricity from your body.
Warning
{
Fuel vapors and fuel fires burn violently
and can cause injury or death.
Fuel can spray out if the fuel cap is
opened too quickly. This spray can
happen if the tank is nearly full, and is
more likely in hot weather. Open the
fuel cap slowly and wait for any hiss
noise to stop, then unscrew the cap all
the way.
Follow these guidelines to help avoid
injuries to you and others:
1. Locate the capless funnel adapter.
2. Insert and latch the funnel into the
capless fuel system.
.
Read and follow all the instructions on
the fuel pump island.
.
.
Warning
Turn off the engine when refueling.
{
Attempting to refuel from a portable fuel
container without using the funnel
adapter may cause fuel spillage and
damage the capless fuel system. This
could cause a fire. You or others could be
badly burned and the vehicle could be
damaged.
Keep sparks, flames, and smoking
materials away from fuel.
.
.
.
Do not leave the fuel pump
unattended.
Avoid using electronic devices while
refueling.
Do not re-enter the vehicle while
pumping fuel.
3. Remove and clean the funnel adapter
and return it to the storage location.
(Continued)
298
Driving and Operating
Use the fuel cap key to unlock the fuel cap
then turn the fuel cap counterclockwise to
remove. Fully insert and latch the fill nozzle,
begin fueling.
Warning (Continued)
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.
badly burned and the vehicle could be
damaged. To help avoid injury to you
and others:
Warning
{
.
Dispense fuel only into approved
containers.
Overfilling the fuel tank by more than
three clicks of a standard fill nozzle may
cause:
.
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.
Caution
.
Vehicle performance issues, including
engine stalling and damage to the fuel
system.
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) 0 117.
.
Bring the fill nozzle in contact with
the inside of the fill opening before
operating the nozzle. Maintain contact
until filling is complete.
.
.
Fuel spills.
Under certain conditions, fuel fires.
Be careful not to spill fuel. Wait five seconds
after you have finished pumping before
removing the fill nozzle. Clean fuel from
painted surfaces as soon as possible. See
Exterior Care 0 406. Reinstall the cap by
turning it clockwise until it clicks.
.
.
.
Keep sparks, flames, and smoking
materials away from fuel.
Avoid using electronic devices while
pumping fuel.
Filling a Portable Fuel Container
Warning
{
When transporting a fuel container or
other material that can catch fire in
the truck bed, secure the container to
prevent spills.
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
(Continued)
