Dodge Challenger SRT Hellcat 2015 Owner's Manual page 538

M
536 MAINTENANCE SCHEDULES
A
I
N
Miles:
T
E
Or Months: 6 12 18
N
A
Or
N
Kilometers:
C
E
Replace the
spark plugs
S
– 6.4L En-
gine **
C
H
Flush and
E
replace the
D engine
coolant at
U
120 months
L
if not done
E
at 150,000
S
miles
8
(240,000 km).
** The spark plug change interval is mileage based only,
yearly intervals do not apply.
24 30 36 42 48 54 60 66 72 78 84 90 96
X
I n f o r ma t i o n P r o v i d e d b y :
102 108 114 120 126 132 138 144 150
X X