A self-sealing tire isn't a run-flat tire in the sense that it can operate without air. Instead, it has a layer of sealant inside the tire that can maintain the air pressure in the event of a puncture.

What is a self healing tire?

Self-sealing tires are a variation of Run-Flat technology, which allows you to continue driving despite a minor puncture of your tire. Designed with standard tire construction, self-sealing tires have a great feature on the inner lining of the tire—an extra lining of sticky gel-like polymer sealant.

Can self seal tires be repaired?

The Selfseal tires also may be repaired using a one-piece patch/stem unit if the puncture is within the tread. ... With the self-sealing tires, the Bolt EV is not equipped with a spare tire or changing equipment, which saves weight and improves EV battery range.