**
The
spark
plug
change
is
dis
tance
based
onl
y,
yearl
y
int
er
vals
do
not
appl
y
.
The
follo
wing
ar
e
essential
to
ensur
e
cor
rec
t
o
pera
tion
and
pr
e
vent
serious
damage
to
th
e
engine:
•
Onl
y
use
spark
plugs
of
th
e
same
mak
e
and
type
which
ar
e
speciall
y
cer
tif
ied
fo
r
such
engines
(r
ef
er
to
“Fluids,
Lubricants,
And
Gen
uine
Par
ts”
in
“Maint
aining
Your
V
ehicle
”
for
fur
ther
inf
orma
tion)
.
•
Stric
tl
y
compl
y
wit
h
the
spark
plug
repla
cement
int
er
val
giv
en
in
th
e
“Maint
enance
Char
t”
fo
r
spark
plug
repla
cement
.
•
Cont
ac
t
your
aut
horiz
ed
dealer
if
yo
u
h
av
e
an
y
ques
tions
.
W
ARNING!
•
Yo
u
can
be
ba
dl
y
injur
ed
w
orking
on
or
ar
ound
a
mot
or
vehicle
.
Do
onl
y
ser
vice
w
ork
fo
r
which
yo
u
h
av
e
the
kno
wledge
and
th
e
right
equipment
.
If
yo
u
h
av
e
an
y
doubt
about
your
ability
to
per
form
a
ser
vice
job
,t
ak
e
your
vehicle
to
a
compet
ent
mechanic
.
•
Failur
e
to
p
roperl
y
inspec
t
and
maint
ain
your
vehicle
could
resul
t
in
a
component
malfunc
tion
and
ef
fe
ct
vehicle
handling
and
per
fo
r-
mance
.
This
could
cause
an
accident
.
MAINTAINING YOUR VEHICLE
185
Summary of Contents for 500X2017
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