Use a Hacksaw to cut the bolt off just under the nut. You will have to use new bolts, washers, and nuts anyway when you reinstall the toilet. Or if you have a small bolt cutter, that will work much easier than the hacksaw.
Firstly, heat can be flared with a mini gas gun at the wing nuts to loosen them, the metal will heat up, no matter how rusted and with a basin spanner or shifting spanner, adjust it to the correct size and turn the wing nuts off. If this is failing, squirt a few drops of lubricating oil onto the wing nuts and then try again with the basin or shifting spanner.
I dont think you remove the nut in the center of the hub, your rotor is more than likely just rusted on to the hub.
Sears sells a special socket to remove rusted, stripped and broken nuts.
you use a spanner to open a rusted nut bolt because you need a strong tool to open a rusted nut bolt.
The Kia Sedona spare tire is located beneath the floor in the cargo compartment. The spare tire is secured by a center wing nut. Remove the wing nut and the tire will come out.
By using Q20 lubricant oil and a pair of water pump pliers. You can lube up the rusted nut, this type of oil really sets in and gets to those hard to reach areas and then you can loosen the nut with the water pump pliers because they grip really well. Otherwise cutting the back of the nut with a hacksaw blade will have to be used as option.
Air filter is located behind the drivers seat (in a right hand drive) and is accessed from underneath the vehicle by unscrewing 1 wing-nut to remove the cover, then another wing-nut to remove the filter.
A wing nut.
Remove the Wheel and then remove the caliper after that you will need a 36mm axel nut socket ..they run about $20 bucks... remove the axel nut... the big nut in the center of the rotor. then you will need to carefully remove the black rubber ring where the rotor attaches in the center after that you should be able to pull off the rotor.. you may need some wd40 and a prybar or a hammer they can be rusted on.
All toilet seats are the same basically. At the back, the hinge has a cap that lifts up and there is a bole head under it and a nut on the underneath side. Some have the bolt as part of the hinge with just the nut underneath.
You need to remove the lid on the air cleaner compartment by unscrewing the wing nut. Take off the lid, remove the old filter, replace with new filter. Replace the lid on compartment and tighten wing nut. Later models have metal clips, but the rest is the same.
remove the wing nuts or nuts and the whole assembly can be removed from the car wing nut removal from inside the trunk
Most toilet seats have a hinge that the top side that you see pops up or comes off completely. The bolt holding it on will have a large slot for a screwdriver in it. You should be able to get a wrench or socket on the nut underneath. If it is a metal bolt and rusted, you can probably use a hack saw blade between the hinge and the toilet and cut the bolt.