Chevrolet/GMC Silverado 1500 / Sierra/Sierra Denali 1500 Owner Manual
(GMNA-Localizing-MidEast-16515122) - 2023 - CRC - 8/12/22
278
Driving and Operating
Caution (Continued)
.
Fuel containing metals such as
methylcyclopentadienyl manganese
tricarbonyl (MMT), which can damage
the emissions control system and
spark plugs.
.
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.
Fuel Additives
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. If you are unable to obtain
ACDelco Fuel System Treatment Plus -
Gasoline, consult your dealer for the GM
approved additive available in your country.
Filling the Tank
An arrow on the fuel gauge indicates which
side of the vehicle the fuel door is on. See
{
Warning
Fuel vapors and fuel fires burn violently
and can cause injury or death.
Follow these guidelines to help avoid
injuries to you and others:
.
Read and follow all the instructions on
the fuel pump island.
.
Turn off the engine when refueling.
.
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.
.
Keep children away from the fuel
pump and never let children
pump fuel.
(Continued)
Warning (Continued)
.
Before touching the fill nozzle, touch a
metallic object to discharge static
electricity from your body.
.
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.