h 10 or 9005 bulb
9005
9003 or H4, same bulb.
A 2003 Honda Odyssey would require just a standard headlight bulb as a replacement. These can be brought from many stores, such as Autozone and even Walmart.
25/50 for weather
It could be different for other years, but in mine you lift of the engine hood and replace the bulb from the back of the headlight. It was kind of difficult to get to.
H1 55W bulb
H4 twin filament.
See sources and related links below for 2007 Chevrolet Impala headlight bulb part numbers.
I think it's H4.
HB1 / 9004
9005 high beam and 9006 low beam.