Honda CIVIC COUPE 2018 Owner's Manual page 27

Refueling
(P 493)
Fuel recommendation:
Models without SPORT mode
Unleaded gasoline, pump octane number 87 or higher
Models with SPORT mode
Unleaded premium gasoline, pump octane number 91 or
higher
Fuel tank capacity: 12.39 US gal (46.9 L)
a
Unlock the driver's
door.
2 Locking/Unlocking
the Doors from
the Inside
(P 138)
b
Press on the edge of
the fuel fill door to
make it pop up
slightly.
c
After refueling, wait
for about five
Wait for five seconds
seconds before
removing the filler
nozzle.
* Not available on all models
25