octane HYUNDAI GENESIS G80 2021 Owners Manual

F6
Introduction
We want to help you get the greatest
possible driving pleasure from your
vehicle. Your Owner’s Manual can
assist you in many ways. We strong-
ly recommend that you read the
entire manual. In order to minimize
the chance of death or injury, you
must read the WARNING and CAU-
TION sections in this manual.
Illustrations complement the words
in this manual to best explain how to
enjoy your vehicle. By reading your
manual, you will learn about fea-
tures, important safety information,
and driving tips under various road
conditions.
The general layout of the manual is
provided in the Table of Contents. A
good place to start is the index; it has
an alphabetical listing of all informa-
tion in your manual.
Sections: This manual has eight
chapter plus an index. Each chapters
begins with a brief list of contents so
you can tell at a glance if that chap-
ter has the information you want.You will find various WARNINGs,
CAUTIONs, and NOTICEs in this
manual. These WARNINGs were pre-
pared to enhance your personal safe-
ty. You should carefully read and fol-
low ALL procedures and recommen-
dations provided in these WARN-
INGS, CAUTIONS and NOTICES.
✽ ✽

NOTICE
A NOTICE indicates interesting or
helpful information is being provided.
Your new vehicle is designed to
obtain maximum performance with
UNLEADED FUEL, as well as mini-
mize exhaust emissions and spark
plug fouling.
3.3/3.8 engine
Your new vehicle is designed to use
only unleaded fuel having an octane
number ((R+M)/2) of 87 (Research
Octane Number 91) or higher. (Do not
use methanol blended fuels.)
5.0 engine
Your new vehicle is designed to use
only unleaded fuel having an octane
number ((R+M)/2) of 87 (Research
Octane Number 91) or higher. For
improved vehicle performance, premi-
um unleaded fuel with an octane
number ((R+M)/2) of 91 (Research
Octane Number 96) or higher is rec-
ommended. (Do not use methanol
blended fuels.)
H HO
OW
W
T
TO
O
U
US
SE
E
T
TH
HI
IS
S
M
MA
AN
NU
UA
AL
L
A WARNING indicates a situation
in which harm, serious bodily
injury, or death could result if the
warning is ignored.
WARNING
A CAUTION indicates a situation
in which damage to your vehicle
could result if the caution is
ignored.
CAUTION
F FU
UE
EL
L
R
RE
EQ
QU
UI
IR
RE
EM
ME
EN
NT
TS
S