1. Park your vehicle on a level surface, apply the parking brake and turn off the engine.
2. Locate the spare tire which is usually stored under the trunk floor.
3. Open the trunk and remove the trunk floor cover.
4. You will see the spare tire secured by a wing nut or a bolt.
5. Use the provided wing nut wrench or a proper wrench to loosen and remove the wing nut or bolt.
6. Remove the spare tire from its compartment by lifting it straight up.
7. Place the spare tire in a safe location in your vehicle.
8. Replace the trunk floor cover and close the trunk.
Remember, this process may vary slightly based on the specific Toyota Wish model and year, so it's always best to consult your vehicle's owner manual for specific instructions.