Fuel-Filler Lid and Cap; Do not run the engine when inside an; Open the windows or adjust the- Page 117

2021 Mazda Mazda3 Sedan Owners Manual

Table of Contents

When Driving
Customer Information and Reporting Safety Defects
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Do not run the engine when inside an

enclosed area:

Running the engine inside an enclosed

area, such as a garage, is dangerous.

Exhaust gas, which contains poisonous

carbon monoxide, could easily enter

the cabin. Loss of consciousness or

even death could occur.

Open the windows or adjust the

heating or cooling system to draw

fresh air when idling the engine:

Exhaust gas is dangerous. When the

vehicle is stopped with the windows

closed and the engine running for a

long time even in an open area,

exhaust gas, which contains poisonous

carbon monoxide, could enter the

cabin. Loss of consciousness or even

death could occur.

Clear snow from underneath and

around your vehicle, particularly the

tail pipe, before starting the engine:

Running the engine when a vehicle is

stopped in deep snow is dangerous.

The exhaust pipe could be blocked by

the snow, allowing exhaust gas to

enter the cabin. Because exhaust gas

contains poisonous carbon monoxide,

it could cause loss of consciousness or

even death to occupants in the cabin.

Fuel-Filler Lid and Cap

Fuel-Filler Lid and Cap

WARNING

When removing the fuel-

fi

ller cap,

loosen the cap slightly and wait for

any hissing to stop, then remove it:

Fuel spray is dangerous. Fuel can burn

skin and eyes and cause illness if

ingested. Fuel spray is released when

there is pressure in the fuel tank and

the fuel-

fi

ller cap is removed too

quickly.

Before refueling, stop the engine, and

always keep sparks and 

fl

ames away

from the 

fi

ller neck:

Fuel vapor is dangerous. It could be

ignited by sparks or 

fl

ames causing

serious burns and injuries.

Additionally, use of the incorrect

fuel-

fi

ller cap or not using a fuel-

fi

ller

cap may result in a fuel leak, which

could result in serious burns or death

in an accident.

Do not continue refueling after the

fuel pump nozzle shuts o

automatically:

Continuing to add fuel after the fuel

pump nozzle has shut o

 automatically

is dangerous because over

fi

lling the

fuel tank may cause fuel over

fl

ow or

leakage. Fuel over

fl

ow and leakage

could damage the vehicle and if the

fuel ignites it could cause a 

fi

re and

explosion resulting in serious injury or

death.

Before Driving

Fuel and Emission

3-27

Mazda3_8JM2-EA

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20H_Edition1_new

2020-7-10 17:21:34