See Headlamps, Front Turn Signal, and Parking Lamps on page 5-53 of your "Owner's Manual", under Section 5: Service and Appearance Care - Bulb Replacement...
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The 2004 Chevrolet Impala has 12 valves.
The 2004 Chevrolet Impala has a V6 engine.
The 2004 Chevrolet Impala is a gas-powered vehicle.
The 2004 Chevrolet Impala has overhead valves (OHV).
The 2004 Chevrolet Impala has a 4-speed automatic.
The 2004 Chevrolet Impala has a drag coefficient of .31 Cd.
The 2004 Chevrolet Impala is 16 ft. 8 in. (200 in.) long.
The curb weight of the 2004 Chevrolet Impala is 3389 lbs..
The 2004 Chevrolet Impala's turning circle is 38 ft..
The height of the 2004 Chevrolet Impala is 4 ft. 9.3 in. (57.3 in.).
The 2004 Chevrolet Impala runs on regular unleaded.