you don't...there's not even a dipstick
as far as I know you can not add fluid because the trans. is a self enclosed trans.(if you have slippage, its time for repair.
check your bulbs
The 2004 Ford Explorer has 12 valves.
The 2004 Ford Explorer has a V6 engine.
horn location for 2004 ford explorer
If it has an automatic trans there i sn't a drain plug you have to remove the pan to drain the fluid.
might need to check your engine soon
The 2004 Ford Explorer has a 5-speed automatic.
The height of the 2004 Ford Explorer is 5 ft. 11.4 in. (71.4 in.).
The 2004 Ford Explorer's turning circle is 36.8 ft..
The 2004 Ford Explorer has single overhead cam (SOHC).
The 2004 Ford Explorer has a 31 degrees angle of approach.