The fuse panel diagram for this car can be found in the owners manual of the car. It can also be found on the back side of the cover of the fuse box.
http://www.modifiedlife.com/2003-hyundai-sonata-car-radio-stereo-audio-wiring-diagram/
The 2003 Hyundai Sonata has 16 valves.
The 2003 Hyundai Sonata is a gas-powered vehicle.
The 2003 Hyundai Sonata has an inline 4 engine.
The 2003 Hyundai Sonata has a 5-speed manual.
The 2003 Hyundai Sonata has double overhead cam (DOHC).
The 2003 Hyundai Sonata runs on regular unleaded.
The 2003 Hyundai Sonata's turning circle is 34.4 ft..
The height of the 2003 Hyundai Sonata is 4 ft. 8 in. (56 in.).
The 2003 Hyundai Sonata is 15 ft. 6.9 in. (186.9 in.) long.
The curb weight of the 2003 Hyundai Sonata is 3181 lbs..
You cannot use the 2004 Hyundai Sonata body parts on a 2003 Hyundai Sonata.