Final answer:
The air pressure in your spare tire should be the same as the recommended pressure for that tire, which is usually listed in the owner's manual or stamped inside the car door.
Step-by-step explanation:
The air pressure in your spare tire should be the same as the recommended pressure for that tire. It is important to check the recommended pressure in the owner's manual or stamped on the inside of the car door. The recommended pressure is typically between 32-35 psi for most cars.