gas mileage CHEVROLET IMPALA 2010 9.G Owners Manual

This vehicle has an airbag system. Before attempting
to do your own service work, seeServicing Your
Airbag-Equipped Vehicle on page 2-72.
Keep a record with all parts receipts and list the
mileage and the date of any service work performed.
SeeMaintenance Record on page 7-13.Adding Equipment to the Outside of
the VehicleThings added to the outside of the vehicle can affect the
airflow around it. This can cause wind noise and can
affect fuel economy and windshield washer performance.
Check with your dealer/retailer before adding equipment
to the outside of the vehicle.FuelUse of the recommended fuel is an important part of the
proper maintenance of this vehicle. To help keep the
engine clean and maintain optimum vehicle performance,
we recommend the use of gasoline advertised as TOP
TIER Detergent Gasoline.
Look for the TOP TIER label on the fuel pump to ensure
gasoline meets enhanced detergency standards
developed by auto companies. A list of marketers
providing TOP TIER Detergent Gasoline can be found
at www.toptiergas.com.The 8th digit of the Vehicle Identification Number (VIN)
shows the code letter or number that identifies the
vehicle’s engine. The VIN is at the top left of the
instrument panel. SeeVehicle Identification Number
(VIN) on page 6-95.
If the vehicle has the 3.5L V6 engine (VIN Code K) or
the 3.9L V6 engine (VIN Code M), you can use
either unleaded gasoline or ethanol fuel containing up to
85% ethanol (E85). SeeFuel E85 (85% Ethanol) on
page 6-8. In all other engines, use only the unleaded
gasoline described underGasoline Octane on page 6-6.
6-5