on bottom of oil pan
The 2009 Hyundai Sonata is 15 ft. 8.9 in. (188.9 in.) long.
The 2009 Hyundai Azera is 16 ft. 0.7 in. (192.7 in.) long.
The 2009 Hyundai Elantra is 14 ft. 9.4 in. (177.4 in.) long.
The 2009 Hyundai Accent is 13 ft. 3.3 in. (159.3 in.) long.
The 2009 Hyundai Tucson is 14 ft. 2.3 in. (170.3 in.) long.
The 2009 Hyundai Genesis is 16 ft. 3.9 in. (195.9 in.) long.
ours was hanging by the hose behind the intake manifold. not sure where it is supposed to be mounted.
Many fluids can be used. The best one would be listed in the users manual for you to find.
The fuel filter for your Santafe is located in the fuel tank. Hope this answers your question on this subject.
The 2009 Hyundai Accent has 16 valves.
The 2009 Hyundai Azera has 24 valves.