How To Improve Your Gas Mileage - Honda 1990 Civic Sedan Owner's Manual

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Gasoline (cont'd)
Fuel vapor is extremely hazardous under certain conditions.
Always stop the engine before refueling, and never refuel near
sparks or open flames.
CAUTION:
When reinstalling the fuel cap, be sure both tabs on the cap are
engaged in the slots of the filler neck and turn the cap until it stops.
If you replace the cap, use only a genuine Honda replacement part
or its equivalent. Failure to use the proper part could cause serious
fuel system problems.

How to Improve Your Gas Mileage:

Drive at a smooth, steady
decelerations and stops — accelerating back to speed uses more
fuel.
Plan trips to avoid rush hour traffic if possible.
Make sure the parking brake is completely released.
Consolidate trips whenever possible.
Keep vehicle weight to a minimum by removing unnecessary
items from the luggage area.
Whenever possible, use fresh air from the dash vents to keep
cool when driving; open windows or use of the optional air
conditioning both affect fuel economy.
Keep the tires adjusted to the recommended pressure.
Tire Pressure (measured cold):
STD Hatchback front
DX Hatchback
Si Hatchback
DX Sedan
LX Sedan
EX Sedan
Condition of Your Car
You can only get maximum fuel economy if your car is in top
running condition. Have all required maintenance done at the proper
intervals. Check tire pressures and tire wear frequently. If tire wear
is uneven, have the alignment checked by your Honda dealer.
Proper alignment saves gasoline and prolongs tire life.
240 kPa (35 psi)
rear 220 kPa (32 psi)
front 220 kPa (32 psi)
rear 220 kPa (32 psi)
front 195 kPa (28 psi)
rear 195 kPa (28 psi)
front 220 kPa (32 psi)
rear 220 kPa (32 psi)
front 180 kPa (26 psi)
rear 180 kPa (26 psi)
front 180 kPa (26 psi)
rear 180 kPa (26 psi)
pace to avoid unnecessary