It might be a butterfly nut.
The Spare tire is located under the rear of the vehicle. There is a long bolt that secures thehanger. The head of the bolt can be accessed from the inside of the vehicle. Just inside the rear door the carpet in the floor has a small cut. Lift the cut in the carpet to gain access to the long bolt and use the tire iron to loosen the bolt. The spare tire hanger will lower along with the spare tire.
You must access the bolt that holds the spare tire in place from the inside of the car. There is a flap in the carpet in the rear storage space behind the last row of seats. Lift the flap, loosen the bolt, and the spare tire will be lowered so that you can remove it.
On a 1986 Nissan 300ZX, the spare tire is located in the rear hatch area, underneath the cargo floor. To access it, you typically need to lift the cargo mat and remove the panel covering the spare tire compartment. The spare tire is secured with a retaining bolt, which you can loosen to remove the tire.
use a socket to loosen the bolt holding it up and pull the bracket down
Under the rear of the car. Loosen it up from the bolt on the floor just inside the rear hatch. Use the lug wrench
To remove the spare tire from a Toyota Wish, first, ensure the vehicle is on a stable surface and engage the parking brake. Locate the spare tire compartment, usually found under the rear floor panel. Use the provided tools (typically a jack and a wrench) to loosen and remove the securing bolt or clamp holding the spare tire in place. Carefully lift the tire out of the compartment once it is free.
The spare tire release bolt is located in the rear cargo area of the 1998 Toyota Sienna. Look for a small "U" shaped piece of loose carpet on the floor of the cargo area. The bolt should be turned counterclockwise to release the spare tire.
To lower the spare tire you need to some tools and a jack. There is a cable winch holding the spare in place, so you will have to loosen it using your tools.
Bolt cutters
This particular part is calle the "Spare Tire Carrier".
Turn the nut on the rear storage box to loosen the nut
To remove the spare tire on a 2010 Volkswagen Routan, first locate the spare tire compartment under the rear cargo area. Use the provided tools to unscrew the retaining bolt holding the tire in place. Lift the tire out of the compartment once it is free from the bolt. Ensure you store the tools back in their designated spot after removal.