Chevrolet Malibu Hybrid 2008 Owner's Manual page 237

While refueling, hang the tethered fuel cap from the
hook on the fuel door.
CAUTION:
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Fuel can spray out on you if you open the
fuel cap too quickly. If you spill fuel and then
something ignites it, you could be badly burned.
This spray can happen if your tank is nearly full,
and is more likely in hot weather. Open the fuel
cap slowly and wait for any hiss noise to stop.
Then unscrew the cap all the way.
Be careful not to spill fuel. Do not top off or overfill
the tank and wait a few seconds after you have
finished pumping the fuel before removing the nozzle.
Clean fuel from painted surfaces as soon as possible.
See Washing Your Vehicle on page 5-78.
When replacing the fuel cap, turn it to the clockwise
until it clicks. Make sure the cap is fully installed.
The diagnostic system can determine if the fuel cap has
been left off or improperly installed. This would allow
fuel to evaporate into the atmosphere. See Malfunction
Indicator Lamp on page 3-38.
If your vehicle has a Driver Information Center (DIC),
the CHECK GAS CAP message displays if the fuel cap
is not properly installed.
CAUTION:
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If a fire starts while you are refueling, do not
remove the nozzle. Shut off the flow of fuel
by shutting off the pump or by notifying the
station attendant. Leave the area immediately.
Notice: If you need a new fuel cap, be sure to get
the right type. Your dealer/ retailer can get one
for you. If you get the wrong type, it may not
fit properly. This may cause your malfunction
indicator lamp to light and may damage your fuel
tank and emissions system. See Malfunction
Indicator Lamp on page 3-38.
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