208 Maintenance
normal. If you hear or see fuel and/or vapor leaking from
the nozzle-receptacle connection, stop refueling immedi-
ately. Dirt or debris may be preventing a positive connec-
tion. Turn off the refueling station, remove the nozzle, then
reconnect it to the receptacle. If it continues to leak, the
vehicle should be inspected by an authorized dealer because
the sealing o-ring in the receptacle may be damaged.
5. Refueling will stop automatically when the tanks are full.
Follow the instructions on the fueling station to turn it off.
NOTE:
It is a normal occurrence that heat is generated in
the CNG fuel tanks during refueling. This is a result of friction
during the compression of the fuel. This becomes more
pronounced the lower the fuel level is when refueling. As
cooling occurs this may affect fuel level reading. See Fuel
Gauge on page 55 for more details.
6. Disconnect the fill nozzle from the vehicle’s fuel recepta-
cle according to the instructions on the fueling station.
You may hear a brief hissing sound as a small amount of
gas escapes. This is normal.
NOTE:
If dirt or other debris is adhering to the inside of
the fuel receptacle, gas may continue to escape after
refueling. If this happens, clean the fill nozzle with a clean
dry cloth.
7. Put the dust cap securely on the fuel receptacle.
8. Close the fuel receptacle door.
ESSENTIALS OF GOOD FUEL ECONOMY
Measuring Techniques
Your best source of information about actual fuel economy is
you, the driver. You must gather information as accurately and
consistently as possible. Fuel expense, frequency of fill-ups or
fuel gauge readings are NOT accurate as a measure of fuel
economy. We do not recommend taking fuel economy mea-
surements during the first 1,000 miles (1,600 km) of driving
(engine break-in period). You will get a more accurate mea-
surement after 2,000 miles-3,000 miles (3,000 km-5,000 km).
Filling the Tank
The advertised fuel capacity of the fuel tank on your vehicle is
equal to the rated refill capacity of the fuel tank as listed in
Capacities on page 227.
The advertised capacity is the amount of the indicated capacity
and the empty reserve combined. Indicated capacity is the dif-
ference in the amount of fuel in a full tank and a tank when the
fuel gauge indicates empty. Empty reserve is the small amount
of fuel remaining in the fuel tank after the fuel gauge indicates
empty.
The amount of usable fuel in the empty reserve varies and
should not be relied upon to increase driving range. When
refueling your vehicle after the fuel gauge indicates empty,
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