Your tire pressure light is illuminated because your car’s onboard computer has detected that the air pressure inside one or more of your tires is low. This can be a sign that you need to buy new tires, but it might also be an indication that there is a leak in your tire and you should have them inspected as soon as possible. If the light comes on while driving, pull over as soon as it is safe to do so and check all four of your tires for visible leaks or damaged rims. Check for any objects lodged…