Honda Accord Coupe Owner's Manual page 290

4. Stop filling the tank after the fuel
nozzle automatically clicks off. Do
not try to ''top off'' the tank. This
leaves some room in the fuel tank
for the fuel to expand with
temperature changes.
If the fuel nozzle keeps clicking off
even though the tank is not full,
there may be a problem with your
vehicle's fuel vapor recovery
system. The system helps keep
fuel vapor from going into the
atmosphere. Try filling at another
pump. If this does not fix the
problem, consult your dealer.
5. Screw the fuel fill cap back on
until it clicks at least once. If you
do not properly tighten the cap,
you will see a ''CHECK FUEL
CAP'' message on the information
display. If the system still detects
an evaporative system leak after
retightening the cap, the
malfunction indicator lamp may
come on (see page 406
6. Push the fuel fill door closed until
it latches.
2012 Accord Coupe
Service Station Procedures
Check Fuel Cap Message
).
Your vehicle's onboard diagnostic
system will detect a loose or missing
fuel fill cap as an evaporative system
leak. The first time a leak is detected
a ''CHECK FUEL CAP'' message
appears on the information display.
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