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Cadillac XT5 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14590481) - 2021 - CRC - 6/2/20
DRIVING AND OPERATING 279
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.
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 0 278.
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.
Filling the Tank
An arrow on the fuel gauge indicates
which side of the vehicle the fuel door
is on. See Fuel Gauge 0 106.
{
Warning
Fuel vapors and fuel fires burn
violently and can cause injur y 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.
(Continued)
Warning (Continued)
.
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.
.
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 insert ed 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.
If equipped, the fuel door unlocks
when the vehicle doors are unlocked.
See Remote Keyless Entry (RKE) System
Operation 0 7.
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